commercial reversible chiller - 60 hz
TRANSCRIPT
SP
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NXW 8 to 50 Tons Commercial Reversible Chiller - 60 Hz
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Table of Contents
Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
The Envision Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6
Inside the Envision Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-8
Envision Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14
Envision Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-17
Water Quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
AHRI Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-21
Physical Dimensions Without Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Physical Dimensions With Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Sound Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Reference Calculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Legend and Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Antifreeze Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Pressure Drop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-47
Wiring Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48-50
Engineering Guide Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51-52
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NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Model Nomenclature1-3 4-6 7 8 9 10 11 12 13 14-15 16
NXW 360 R 4 P F 8 N N SS A
Family NXW = Envision Series
Water-to-Water
Capacity MBTUH see model size table
Operation R = Reversible
Voltage 3 = 208-230/60/3*
4 = 460/60/3
5 = 575/60/3
8 = 380/60/3
Phase protection P = Phase Guard
Chassis E = Enclosed
F = Open Frame
*208-230/60/3 is not available on NXW540.
Vintage A = Current
B = 360 & 540
Non-Standard Options SS = Non-Standard
Future Use N = Future Use
Future Use N = Future Use
Controls 8 = FX10 without communication,
with User Interface
9 = FX10 w/ Open N2 Com Card,
w/ User Interface
0 = FX10 w/ Lonworks Com Card,
with User Interface
3 = FX10 w/ BacNet Com Card,
w/ User Interface
Model Size096
108
120
140
180
210
240
360
540
Nominal Tons8
9
10
12
15
18
20
30
50 04/10/09
All Envision Series product is Safety listed under UL1995 thru ETL and performance tested in accordance with standard AHRI/ISO 13256-2.
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NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
The Envision Series
NXW Features
Dual scroll compressors for
efficiency and reliability
Optional insulated
sheet metal cabinet
to reduce noise
Sturdy frame to
reduce vibration
Fork truck cutouts for
maneuvering at job site
Compressor blanket standard
for noise reduction
Victaulic style water
connections for an easier
and faster connection
Small modular design for
application flexibility
Integrated lifting points
for ease of handling
High efficiency brazed plate
heat exchangers for efficiency
and compact size
Reversible operation for
application flexibility
Fully insulated suction and water
lines to prevent condensation at
reduced fluid operating temperatures
Sophisticated microprocessor
control with robust safety
controls and advanced
freeze detection
Durometer selected grommets to
reduce noise and vibration (optional
springs available as an accessory)
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NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
High Efficiency
The Envision Series are the highest efficiency units available. Large oversized water to refrigerant heat exchangers and scroll compressors provide extremely efficient operation. This efficiency means the Envision Series requires less loop than any product on the market. This can mean significant savings on commercial projects.
Standard Features
Heavy gauge frame and rails•
Quiet scroll compressors in all models •
Two-dimension refrigerant piping vibration loops to •
isolate the compressor.
All interior of optional cabinet surfaces, including the •
compressor compartment, are insulated with 1/2 in.
[12.7 mm] thick 1-1/2 lb. [681 g] density, surface coated,
acoustic type glass fiber insulation.
Phase guard protection prevents scroll compressor from •
reverse rotation.
Flexible Control Options
The FX10 control provides unmatched capability
in several areas including performance monitoring,
energy management, and service diagnosis, and then
communicates it all thru standard DDC protocols like
N2, Lon and BACnet (MS/TP @ 19,200 Baud Rate). The most unique feature is integrating the FX10 into the Envision series as both the heat pump and DDC controller providing both a cost advantage and features not typically found on WLHP controls. This integration allows heat pump monitoring sensors, status and service diagnosis faults to be communicated thru the DDC direct to the building automation system (BAS), giving building supervisors detailed and accurate information on every piece of equipment without removing an access panel!
Easy Maintenance and Service Advantages
Removable compressor access panels (on optional •
cabinet).
Quick attach wiring harnesses are used throughout for •
fast servicing.
High and low pressure refrigerant service ports.•
Optional user interface for diagnostics and •
commissioning of FX controls.
Dual refrigerant circuit•
Factory Quality
All refrigerant brazing is performed in a nitrogen purge •
environment.
Computer controlled deep vacuum and refrigerant •
charging system.
All joints are leak detected for maximum leak rate of •
less than 1/4 oz. per year.
Computer bar code equipped assembly line ensures all •
components are correct.
All units are computer run-tested with water to verify •
both function and performance.
The Envision Series cont.
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NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Refrigerant
Envision products all feature zero ozone depletion and low
global warming potential R-410A refrigerant.
Cabinet
All unit frames are constructed of heavy gauge steel
channel and painted with a corrosion resistant black,
polyester, powder coat paint. The optional sheet metal
cabinets are constructed of heavy gauge galvanized sheet
steel painted with white, polyester, powder coat paint rated
at more than a 1,000 hours salt spray rating. The frame
includes fork truck access pockets in two dimensions and
lifting points for easy maneuvering during installation and
servicing.
Compressors
High efficiency R410A scroll compressors are used on every model. Scrolls provide both the highest efficiency available and great reliability.
Electrical Box
Unit controls feature quick connect wiring harnesses for easy servicing. Separate knockouts for low voltage, and two for power on two sides allow easy access to the control box. A large 75VA transformer assures adequate control's power for accessories. Flexible Johnson Controls FX10 microprocessor control is included, featuring several innovations. See Envision
Controls section for more information.
Water Connections
All water line connections are 2" Victaulic grooved nipples for ease of installation with optional connection kits. Factory installed thermistors are used on all water lines and can be viewed through the microprocessor interface tool. Pressure ports are also added at the factory for easy service access.
Thermostatic Expansion Valve
All Envision models utilize a balanced
port bidirectional thermostatic
expansion valve (TXV) for refrigerant
metering. This allows precise
refrigerant flow in a wide range of
entering water variation (20 to 120°F
[-7 to 49°C]) found in geothermal
systems. The TXV's location makes it
easily accessible for service.
Water-to-Refrigerant Heat Exchanger
Large oversized stainless steel interlaced copper-brazed plate water-to-refrigerant heat exchangers provide unparalleled efficiency. The heat exchangers have common water circuits with isolated refrigerant circuits so that in part load operation, the full mass of the heat exchanger is utilized. All heat exchangers are pressure rated to 450 psi water side and 650 psi refrigerant side. All heat exchangers, water lines, and suction lines are insulated to prevent condensation during low temperature inlet water operation.
Strainers
All units shall have a field-installed 2"
Y-strainer with a self-aligning screen
and 1" blow-off port to reduce debris
that will enter the condenser/evaporator.
Strainers should be made of a brass
body with a 316 stainless steel 20-40
mesh screen.
WARNING: Warranty is void if strainers are not used on the entering side of the load and source.
Inside the Envision Series
P/T Plug
2” Victaulic
Grooved
Nipples
Brazed Plate Heat Exchanger
Optional Connection Kit
CKV160FL (Includes four
of each)
TKC16S-4
(1 of 4)
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NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Service Connections and Serviceability
Two Schrader service ports are provided for each circuit on every unit. The suction side and discharge side ports are for field charging and servicing access. All valves are 7/16” SAE connections.
4-Way Reversing Valve
Envision units feature a reliable all-brass pilot operated refrigerant reversing valve. The reversing valve operation is limited to change of mode by the control to enhance reliability.
Inside the Envision Series cont.
Grommets Standard
Heavy Duty MountingSprings Optional
IS-325-01 (NXW096-360)
IS-750-01 (NXW540)
Vibration Isolation
Units are shipped with heavy duty, durometer selected rubber grommets to reduce sound that can be transmitted through the floor via the frame (see grommets below). For additional sound attenuation, optional heavy duty spring isolation can reduce sound levels by 3 dBA (see springs below) can be purchased as an accessory.
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NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
FX10 Control
The FX10 control provides unparalleled capability
in several areas including performance monitoring,
energy management, and service diagnosis, and then
communicates it all thru standard DDC protocols like N2,
Lon and BACnet (MS/TP @ 19,200 Baud Rate).
The most unique feature is integrating the FX10 into the
Envision series as both the heat pump and DDC controller
providing both a cost advantage and providing features not
typically found on controls. This integration allows chiller
monitoring sensors, status and service diagnosis faults
to be communicated thru the DDC direct to the building
automation system (BAS), giving building supervisors
detailed and accurate information on every piece of
equipment without removing an access panel!
Control General Description Application Display/Interface Protocol
The FX10 microprocessor control is selfcontained control featuring LP, LOC, HP, andLWT fault modes can be displayed on BASsystem. Optional handheld Medium UserInterface (MUI) Control can be used foradditional setup or servicing. Programcustomization is possible.
Cannot be integrated with centralized building automation systems.Software can be customized for specific projects.
Standard Medium User Interface (MUI) can be used as a field service tool.
Standalone
FX10 Control functions as both unitary heat pump control and DDC communication, therefore detail operational and fault information is available to BAS. Other features are same as FX10 with addition of Johnson Controls N2 compatibility.
Same as FX10 with Johnson Controls N2 BAS compatibility.
Standard Medium User Interface (MUI) can be used as a field service tool.
Johnson Controls N2 network
FX10 Control functions as both unitary heat pump control and DDC communication, therefore detail operational and fault information is available to BAS. Other features are same as FX10 with addition of LonWorks compatibility.
Same as FX10 with LonWorks BAS compatibility.
Standard Medium User Interface (MUI) can be used as a field service tool.
LonWorks
FX10 Control functions as both unitary heat pump control and DDC communication, therefore detail operational and fault information is available to BAS. Other features are same as FX10 with addition of BACnet compatibility.
Same as FX10 with BACnet BAS compatibility.
Due to communication speed, no more than 30 units shouldbe connected to a single trunk of the network.
Standard Medium User Interface (MUI) can be mounted or used as field service tool.
BACnet - MS/TP (19,200 Baud Rate)
FX10
FX10 w/N2
FX10 w/LonWorks
FX10 w/BACnet
Envision Controls
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NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
FX10 Advanced Control Overview
The Johnson Controls FX10 board is specifically designed •
for commercial heat pumps and provides control of the
entire unit as well as input ports for Open N2, LonTalk,
BACnet (MS/TP @ 19,200 Baud Rate) communication
protocols as well as an input port for a user interface.
The user interface can be used to aid in diagnostics and
unit setup and is standard on all NXW chillers. A 16-
pin low voltage terminal board provides terminals for
common field connections. The FX10 Control provides:
Operational sequencing•
High and low-pressure switch monitoring •
General lockout•
Advanced Freeze Detection Temperature Sensing•
Lockout mode control •
Emergency shutdown mode •
Random start and short cycle protection•
Short Cycle Protection
Allows a minimum compressor “off” time of five minutes
and a minimum “on” time of two minutes.
Random Start
A delay of 1 to 120 seconds is generated after each power-
up to prevent simultaneous startup of all units within a
building after the release from an unoccupied cycle or
power loss.
Emergency Shutdown
A field-applied dry contact can be used to place the
control into emergency shutdown mode. During this mode,
all outputs on the board are disabled.
Freeze Detection Temperature Limit
Field selectable for 15°F or 33°F (-9° or -0.56°C)
Installation Options
Standalone controlled by standard room thermostat•
Standalone with a Zone Temperature Sensor (must have •
user interface to change setpoints beyond the allowed
+/- 5°F)
Integrated into BAS by adding communication module•
Accessory Outputs
Quantity 1. Cycled with the compressor. Field selectable
for normally open (factory default) or normally closed
through the building automation system or user interface.
User Interface
4 x 20 backlit LCD
Optional Plug-in Communication Modules - (compatible with standard BAS protocols)
Open N2•
LonTalk•
BACnet (MS/TP @ 19,200 Baud Rate) •
Display
One local display is standard on all NXW units. Up to
2 displays, either 1 local and 1 remote, or 2 remote. (A
2-display configuration requires identical displays.) Local
display can be up to 3 meters from the controller, power
supply, and data communication. Remote display can be
up to 300 meters from the controller. Remote display must
be independently powered with data communication done
via 3 pole shielded cable.
Control Timing & Fault Recognition Delays
Lead compressor “ON” delay ..........................................90 seconds
(not applicable for single compressor models)
Minimum compressor “ON” time ...................................... 2 minutes
(except for fault condition)
Short cycle delay ..................................................................... 5 minutes
Random start delay .......................................................0-120 seconds
High pressure fault .................................................................<1 second
Low pressure fault ...............................................................30 seconds
Freeze detection fault ...................................................0-30 seconds
Low pressure fault bypass ................................................... 2 minutes
NOTES: Refer to Submittal Data SD1981, Application Guide
AGFX10, or BACnet Protocol Implementation. Conformance
Statement for more information.
Envision Controls - FX10
Main FX 10 Board
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NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Envision Controls - FX10 cont.
FX10 Microprocessor and BAS System
The FX10 is a microprocessor based control that not
only monitors and controls the heat pump but also can
communicate any of this information back to the building
automation system (BAS). This means that not only does
the control monitor the heat pump at the unit you can also
monitor and control many of the features over the BAS.
This clearly puts the FX10 in a class of its own.
The control will enumerate all fault conditions (HP, LP,
LOC, and Freeze Detection) over a BAS as well as display
them on a medium user interface (MUI). HP, LP, and Freeze
Detection faults can all be reset over a BAS. A Loss Of
Charge fault can not be reset or bypassed until the problem
has been corrected. A MUI is invaluable as a service tool for
the building service team.
The unit can be commanded to run by applying Y1, Y2, and
B commands to the terminal board or commanded through
a BAS. The control board is wired with quick connect
harnesses for easy field change out of a faulty control
board. An alarm history can be viewed through the MUI and
will be held in memory until the unit is power cycled.
The FX10 control has unused analog and digital inputs for
field installed items such as water temperature or current
status switches. The control has unused binary and PWM
outputs that can be commanded over the BAS for field use.
A Medium User Interface (MUI) for control setup and
advanced diagnostics is standard on all reversible chiller
models.
Standard Features
Anti Short Cycle•
High Pressure Protection•
Low Pressure Protection•
Freeze Detection•
Loss of Charge Detection•
Random Start•
Display for diagnostics•
Reset Lockout at disconnect or through BAS•
1 Accessory outputs•
Optional BAS add-on controls•
Compressor Lead/Lag•
DDC Operation & Connection
Other optional network protocol boards that can be added
to the FX10 are:
Johnson Control N2•
LonWorks•
BACnet •
- MS/TP @ 19,200 Baud rate
- Limit devices to 30 on a single trunk line.
Control and Safety Feature Details Emergency Shutdown
The emergency shutdown mode can be activated by a
command from a facility management system or a closed
contact on BI-2. The default state for the emergency
shutdown data point is off. When the emergency
shutdown mode is activated, all outputs will be turned
off immediately and will remain off until the emergency
shutdown mode is de-activated. The first time the
compressor starts after the emergency shutdown mode
has been de-activated, there will be a random start delay
present.
Lockout Mode
Lockout mode can be activated by any of the following
fault signals: refrigerant system high pressure, refrigerant
system low pressure, or freeze detection. When any valid
fault signal remains continuously active for the length
of its recognition delay, the controller will go into fault
retry mode, which will turn off both compressors. After
the compressor short cycle delay, the compressors will
attempt to operate once again. If three consecutive faults
occur in 60 minutes, the unit will go into lockout mode,
turning off the compressor(s), enabling the alarm output
until the controller is reset. If the control faults due to the
low pressure input being open during the pre-compressor
startup check, the control will go into lockout mode
immediately, disabling the compressors from starting and
enabling the alarm output. The lockout condition can be
reset by powering down the controller, by a command from
the BAS, or by the holding the ESC and Return keys on the
user interface for 5 seconds. NOTE: See freeze detection section for more detail.
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NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Envision Controls - FX10 cont.
Reversible Chiller Advanced Freeze Detection SystemThe reversible chiller source and load heat exchangers are
protected by a multi-sourced temperature logic strategy. The
temperature logic is based upon the refrigerant temperature
sensed as the refrigerant is about to enter the heat
exchanger; while entering and leaving water temperatures
are being used as correlating factors. The detection scheme
is shown as basic and advanced algorithms.
Basic Freeze Detection Operation: “Comp1 or Comp2 Freeze” Alarm
This alarm can be triggered by one of two detection
schemes.
Hard Limit Freeze DetectionIf the refrigerant temperature drops below the freeze
detection setpoint by 1.8°F, the associated compressor
is locked out immediately regardless of any other
factors and requires a manual reset. NOTE: This Lockout produces a “Comp 1 or Comp 2 Freeze” error on the MUI display.
Freeze DetectionThe refrigerant temperature is compared to the freeze
detection setpoint (15°F [antifreeze] or 33°F [water]
field selectable), and if the temperature falls below the
setpoint for 30 continuous seconds, the associated
compressor will be halted. This function becomes
enabled after the first two minutes of compressor
operation. Three such events in 60 minutes will trigger a
compressor lockout that requires a manual reset. NOTE: This Lockout produces a “Comp 1 or Comp 2 Freeze” error on the MUI display.
In addition to the above: Entering Water Temperature InfluenceIf the entering water temperature of the evaporative
heat exchanger is within 10°F of the freeze setpoint,
the previously mentioned two minute delay will be
eliminated. This allows the freeze detection to operate
immediately when the compressor starts based on
entering water temperature.
Leaving Water Temperature InfluenceIf the leaving water temperature of the evaporative
heat exchanger is within 10°F of the freeze setpoint, the
previously mentioned 30 second delay will begin to be
proportionately reduced, ending at a 1 second delay
when the leaving water temperature is 1.5°F above the
freeze setpoint.
Dual Circuited Heat Exchanger ProtectionA low temperature condition on either refrigerant circuit
will prevent the start of both compressors. If the low
temperature condition exists for 5 minutes when both
compressors are off, a lockout is triggered for both
compressors. However, if for instance both compressors
are operating and circuit 1 experiences a refrigerant
temperature below the freeze detection setpoint such
that compressor 1 is halted, compressor 2 will not be
halted as a result.
Advanced Freeze Detection Operation: “Pre Freeze” Alarm
Predictive freeze condition detection:If the refrigerant temperature is within 7.2°F of the
freeze detection setpoint, the predictive freeze
detection algorithm is enabled, and if the logic
determines that a freeze condition is likely to happen
based on current conditions, the compressor of the
involved refrigerant circuit is immediately stopped.
Three (3) such events in 60 minutes will trigger a
compressor lockout that requires a manual reset. In the
absence of such a condition, the compressor is allowed
to operate so that the refrigerant temperature may
eventually be at the threshold of the freeze detection
setpoint. NOTE: This Lockout produces a “Pre Freeze” detection error on the MUI display.
Capacity Limiting
If the leaving water temperature drops to 1.8°F above the
freeze detection setpoint, the lead compressor is halted.
When the leaving water temperature rises to 3.6°F above
the freeze detection setpoint, it will be allowed to resume
operation. This limiting is allowed to repeat indefinitely with
no lockout or indication on the display.
If the leaving water temperature drops to the freeze
detection setpoint, the lag compressor is halted. When the
leaving water temperature rises to 1.8°F above the freeze
detection setpoint, it will be allowed to resume operation.
This limiting is allowed to repeat indefinitely with no lockout
or indication on the display.
High Pressure
The high-pressure switch shall be a normally closed (NC)
switch that monitors the systems refrigerant pressure. If the
input senses the high-pressure switch is open it must disable
the compressor output immediately and count the fault. The
compressor minimum on time does not apply if the high-
pressure switch opens. The compressor will not restart until
the compressor short cycle time delay has been satisfied.
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NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Envision Controls - FX10 cont.Low Pressure
The low-pressure switch shall be a normally closed (NC)
switch that monitors the systems refrigerant pressure. The
input 15 seconds before compressor start up and then
ignored for the first 2 minutes after the compressor output
(BO-2) is enabled. If the switch is open continuously for
30 seconds during compressor operation the compressor
output (BO-2) will be disabled. The compressor will not
restart until the compressor short cycle time delay has been
satisfied.
Alarm Outputs
The control has two alarm outputs, one for each compressor
circuit. These 24VAC outputs are designated as LC1
(compressor 1) and LC2 (compressor2) on the low voltage
terminal board.
Test Mode
By holding the ESC and down arrow keys on the MUI for 5
seconds will put the control into test mode. In test mode
the random start delay and the compressor fixed on delay
time will both be shortened to 5 seconds and the reversing
valve will be allowed to cycle with out shutting down the
compressor. If an MUI is connected to the control LED 8 will
flash and the words “Test Mode Enabled” will be shown on
the LCD display when the control is in test mode. Test mode
will be disabled after a power cycle, 30 minute timeout, or
by holding the ESC and Up arrow keys on the MUI.
Sequence of OperationPower Fail Restart
When the controller is first powered up, the outputs will be
disabled for a random start delay. The delay is provided to
prevent simultaneous starting of multiple heat pumps. Once
the timer expires, the controller will operate normally.
Random Start Delay
This delay will be used after every power failure, as well as
the first time the compressor is started after the control exits
the unoccupied mode or the emergency shutdown mode.
The delay should not be less than 1 second and not longer
than 120 seconds. If the control is in test mode the random
start delay will be shortened to 5 seconds.
Lead Compressor Start Delay Time
The Lead Compressor Fixed On Delay Time will ensure that
the lead compressor output is not enabled for 90 seconds
after the control receives a call to start the compressor. This
delay is adjustable from 30 – 300 seconds over a BAS or a
MUI. If the control is in test mode the Lead Compressor Start
Delay Timer will be shortened to 5 seconds.
Lag Compressor Start Delay Time
The Lag Compressor Fixed On Delay Time will ensure that
the lead compressor output is not enabled for 90 seconds
after the control receives a call to start the compressor. This
delay is adjustable from 30 – 300 seconds over a BAS or a
MUI. If the control is in test mode the Lag Compressor Start
Delay Timer will be shortened to 5 seconds.
Compressor Minimum On Delay
The compressor minimum on delay will ensure that the
compressor output is enabled for a minimum of two (2)
minutes each time the compressor output is enabled. This
will apply in every instance except in the event the high
pressure switch is tripped or emergency shutdown then the
compressor output will be disable immediately.
Compressor Minimum Off Delay Time
The compressor minimum time delay will ensure that the
compressor output will not be enabled for a minimum of five
(5) minutes after it is disabled. This allows for the system
refrigerant pressures to equalize after the compressor is
disabled.
Compressor Lead/Lag
Compressor lead/lag is a standard part of the FX10 control
system. The unit is shipped from the factory with lead/
lag disabled. Lead/lag can be activated through the unit
mounted user interface. The default lead/lag time is 24
hours, but can be adjusted through the user interface.
Heating Cycle
The control will run the unit in heating mode when there is a
command on the O/B terminal on the terminal board.
Cooling Cycle
The control will run the unit in cooling mode when there is
no command on the O/B terminal on the terminal board.
MUI Alarm History Reporting
If a fault occurs the fault will be recorded in history for
display on the medium user interface in the History Menu.
Each fault type will be displayed in the history menu with a
number between 0 and 3. A reading of 3+ will mean that
fault has occurred more than three times in the past. The
history menu can be cleared with a power cycle only. Alarm
date and time are not included in the history.
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NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Inputs and Outputs ConfigurationField Selectable Options
Load and Source Freeze Detection SetpointThe freeze detection setpoint input allows you to adjust
the freeze detection setpoint for either the load or source
sides of the heat pump. When the jumper is installed
on BI-5 the load freeze detection setpoint is factory set
for 30°F. When the jumper on BI-5 is removed the load
freeze detection setpoint will be 15°F. When the jumper
is installed on BI-4 the source freeze detection setpoint is
factory set for 30°F. When the jumper on BI-4 is removed
the source freeze detection setpoint will be 15°F. NOTE: Piping circuit must be antifreeze protected to the set levels or the warranty will be voided.
Envision Controls - FX10 cont.Accessory OutputThe Accessory Output will be energized 90 seconds prior
to the lead compressor output being energized. When
both compressor outputs are turned off the accessory
output will be deactivated immediately. This output is
selectable for normally open or normally closed operation
through the Medium User Interface or through the
Building Automation System.
Control AccessoriesA99 Sensor•
MUI (LCD User interface) for diagnostics and •
commissioning
MUIK1 - Panel Mount, Portable•
MUIK2 - Wall Mount •
15
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
The Closed Loop Heat Pump Concept
The basic principle of a water source heat pump is the
transfer of heat into water from the space during cooling,
or the transfer of heat from water into the space during
heating. Extremely high levels of energy efficiency are
achieved as electricity is used only to move heat, not to
produce it. Using a typical WaterFurnace Envision Series,
one unit of electricity will move four to five units of heat.
When multiple water source heat pumps are combined
on a common circulating loop, the ultimate in energy
efficiency is created: The WaterFurnace units on cooling
mode are adding heat to the loop which the units in
heating mode can absorb, thus removing heat from the
area where cooling is needed, recovering and redistributing
that heat for possible utilization elsewhere in the system. In
modern commercial structures, this characteristic of heat
recovery from core area heat generated by lighting, office
equipment, computers, solar radiation, people or other
sources, is an important factor in the high efficiency and
low operating costs of WaterFurnace closed source heat
pump systems.
In the event that a building's net heating and cooling
requirements create loop temperature extremes, Envision
Series units have the extended range capacity and
versatility to maintain a comfortable environment for
all building areas. Excess heat can be stored for later
utilization or be added or removed in one of three ways; by
ground-source heat exchanger loops: plate heat exchangers
connected to other water sources, or conventional cooler/
boiler configurations. Your WaterFurnace representative
has the expertise and computer software to assist in
determining optimum system type for specific applications.
The Closed Loop Advantage
A properly applied water source heat pump system offers
many advantages over other systems. First costs are
low because units can be added to the loop on an "as
needed basis"- perfect for speculative buildings. Installed
costs are low since units are self-contained and can be
located adjacent to the occupied space, requiring minimal
ductwork. Maintenance can be done on individual units
without system shut-down. Conditions remain comfortable
since each unit operates separately, allowing cooling in
one area and heating in another. Tenant spaces can be
finished and added as needed. Power billing to tenants
is also convenient since each unit can be individually
metered: each pays for what each uses. Nighttime and/or
weekend uses of certain areas are possible without heating
or cooling the entire facility. A decentralized system also
means if one unit should fault, the rest of the system will
continue to operate normally, as well as eliminating air
cross-contamination problems and expensive high pressure
duct systems requiring an inefficient electric resistance
reheat mode.
The Envision Approach
There are a number of proven choices in the type of
Envision Series system which would be best for any given
application. Most often considered are:
• Closed Loop/Ground-Source Systems utilize the stable
temperatures of the earth to maintain proper water source
temperatures (via vertical or horizontal closed loop heat
exchangers) for Envision Series extended range heat
pump system. Sizes range from a single unit through many
hundreds of units. When net cooling requirements cause
closed loop water temperatures to rise, heat is dissipated
into the cooler earth through buried high strength plastic
pipe "heat exchangers." Conversely if net space heating
Envision Application Notes
Supply Water
Return Water
Pumps
EnvisionUnit
EnvisionUnit
EnvisionUnit
EnvisionUnit
EnvisionUnit
EnvisionUnit
Heater/Rejector
Closed Loop/Ground Source
Vertical
16
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
all of the advantages of horizontal and vertical closed loop
systems. Due to the extended loop temperatures, AHRI/
ISO 13256-1 Ground Water or Ground Loop Heat Pumps are
required for this application.
In cooling dominated structures, the ground-source surface
water systems can be very cost effective especially where
local building codes require water retention ponds for short
term storage of surface run-off. Sizing requirements for the
surface water is a minimum of 500 sq. ft./ton of surface
area at a minimum depth of 8 feet. WaterFumace should be
contacted when designs for heating dominated structures
are required.
• Closed Loop/Ground Water Plate Heat Exchanger Systems utilize lake, ocean, well water or other water
sources to maintain closed loop water temperatures in
multi-unit Envision systems. A plate frame heal exchanger
isolates the units from any contaminating effects of the
water source, and allows periodic cleaning of the heat
exchanger during off peak hours.
Operation and benefits are similar to those for ground-
source systems. Due to the extended loop temperatures,
AHRI/ISO 13256-1 Ground Loop Heat Pumps are required
for this application. Closed loop plate heat exchanger
systems are applicable in commercial, marine, or industrial
structures where the many benefits of a water source heat
pump system are desired, regardless of whether the load is
heating or cooling dominated.
Envision Application Notes cont.
Closed Loop/Ground SourceSurface Water
Closed Loop/Ground WaterPlate Heat Exchanger
demands cause loop heat absorption beyond that heat
recovered from building core areas, the loop temperature
will fall causing heat to be extracted from the earth. Due to
the extended loop temperatures, AHRI/ISO 13256-1 Ground
Loop Heat Pumps are required for this application.
Because auxiliary equipment such as a fossil fuel boiler
and cooling tower are not required to maintain the loop
temperature, operating and maintenance costs are very
low. Ground-source systems are most applicable in
residential and light commercial buildings where both
heating and cooling are desired, and on larger envelope
dominated structures where core heat recovery will not
meet overall heating loads. Both vertical and horizontally
installed closed-loops can be used. The land space required
for the "heat exchangers" is 100-250 sq. ft./ton on vertical
(drilled) installations and 750-1500 sq. ft./ton for horizontal
(trenched) installations. Closed loop heat exchangers can
be located under parking areas or even under the building
itself.
On large multi-unit systems, sizing the closed loop heat
exchanger to meet only the net heating loads and assisting
in the summer with a closed circuit cooling tower may be
the most cost effective choice.
• Closed Loop/Ground-Source Surface Water Systems also
utilize the stable temperatures of Surface Water to maintain
proper water source temperatures for Envision Series
extended range heat pump systems. These systems have
17
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
• Closed Loop /Cooler-Boiler Systems utilize a closed heat
recovering loop with multiple water source heat pumps
in the more conventional manner. Typically a boiler is
employed to maintain closed loop temperatures above
60°F and a cooling tower to maintain loop temperatures
below 90°F. These systems are applicable in medium
to large buildings regardless of whether the load is
heating or cooling dominated. Due to the moderate loop
temperatures, AHRI/ISO 13256-1 Water Loop Heat Pumps
are required for this application.
Envision Application Notes cont.Closed LoopCooler - Boiler
18
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
GeneralReversible chiller systems may be successfully applied in a wide range of commercial and industrial applications. It is the responsibility of the system designer and installing contractor to ensure that acceptable water quality is present and that all
applicable codes have been met in these installations.
Water TreatmentDo not use untreated or improperly treated water. Equipment damage may occur. The use of improperly treated or untreated water in this equipment may result in scaling, erosion, corrosion, algae or slime. The services of a qualified water treatment specialist should be engaged to determine what treatment, if any, is required. The product warranty specifically excludes liability for corrosion, erosion or deterioration of equipment.
The heat exchangers in the units are 316 stainless steel plates with copper brazing. The water piping in the heat exchanger is steel. There may be other materials in the building’s piping system that the designer may need to take into consideration when deciding the parameters of the water quality.
If an antifreeze or water treatment solution is to be used, the designer should confirm it does not have a detrimental effect
on the materials in the system.
Contaminated WaterIn applications where the water quality cannot be held to prescribed limits, the use of a secondary or intermediate heat exchanger is recommended to separate the unit from the contaminated water.
Material Copper 90/10 Cupro-Nickel 316 Stainless Steel
pH Acidity/Alkalinity 7- 9 7 - 9 7 - 9
Scaling Calcium and Magnesium Carbonate (Total Hardness) less than 350 ppm (Total Hardness) less than 350 ppm (Total Hardness) less than 350 ppm
Hydrogen Sulfide Less than .5 ppm (rotten egg smell appears at 0.5 PPM) 10 - 50 ppm Less than 1 ppm
Sulfates Less than 125 ppm Less than 125 ppm Less than 200 ppmChlorine Less than .5 ppm Less than .5 ppm Less than .5 ppmChlorides Less than 20 ppm Less than125 ppm Less than 300 ppm
Carbon Dioxide Less than 50 ppm 10 - 50 ppm 10- 50 ppmAmmonia Less than 2 ppm Less than 2 ppm Less than 20 ppm
Ammonia Chloride Less than .5 ppm Less than .5 ppm Less than .5 ppmAmmonia Nitrate Less than .5 ppm Less than .5 ppm Less than .5 ppm
Ammonia Hydroxide Less than .5 ppm Less than .5 ppm Less than .5 ppmAmmonia Sulfate Less than .5 ppm Less than .5 ppm Less than .5 ppm
Total Dissolved Solids (TDS) Less than 1000 ppm 1000-1500 ppm 1000-1500 ppmLSI Index +0.5 to -.05 +0.5 to -.05
Iron, Fe2+ (Ferrous)Bacterial Iron Potential < .2 ppm < .2 ppm < .2 ppm
Iron Oxide Less than 1 ppm. Above this level deposition will occur.
Less than 1 ppm. Above this level deposition will occur.
Less than 1 ppm. Above this level deposition will occur.
Suspended Solids Less than 10 ppm and filtered for max of 600 micron size
Less than 10 ppm and filtered for max of 600 micron size
Less than 10 ppm and filtered for max of 600 micron size
Threshold Velocity (Fresh Water) < 6 ft/sec < 6 ft/sec < 6 ft/sec
Grains = PPM divided by 17 • mg/l is equivalent to PPM 2/8/08
Corrosion
Erosion
Iron Fouling (Biological Growth)
+0.5 to -.05
Water QualityThe following table outlines the water quality guidelines for unit heat exchangers. If these conditions are exceeded, a secondary heat exchanger is required. Failure to supply a secondary heat exchanger where needed will result in a warranty exclusion for primary heat exchanger corrosion or
failure.
StrainersThese units must have properly sized strainers upstream of both brazed plate heat exchangers to protect them against particles in the fluid. Failure to install proper stainers and perform regular service can result in serious damage to the unit, and cause degraded performance, reduced operating life and failed compressors. Improper installation of the unit (which includes not having proper strainers to protect the heat exchangers) can also result in voiding the warranty.
Field supplied strainers with 20-40 mesh (530-1060 microns) are recommended, with 30 mesh (800 microns) being the optimum choice. The strainers selected should have a mesh open area of at least 6 square inches (39 square centimeters) for each unit being serviced by the strainer. Using strainers with a smaller amount of open area will result in the need for more frequent cleaning.
Strainers should be selected on the basis of acceptable pressure drop, and not on pipe diameter. The strainers selected should have a pressure drop at the nominal flow rate of the units; low enough to be within the pumping capacity of the pump being used.
WARNING: Must have intermediate heat exchanger when used in pool applications.
Water Quality Guidelines
19
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
The performance standard AHRI/ASHRAE/ISO 13256-2 became effective January 1, 2000. This new standard has three ma-
jor categories: Water Loop, Ground Water, and Ground Loop.
Unit of Measure: The Cooling COPThe cooling efficiency is measured in EER (US version measured in Btuh per Watt. The Metric version is measured in a
cooling COP (Watt per Watt) similar to the traditional COP measurement.
Pump Power Correction CalculationWithin each model, only one water flow rate is specified for all three groups and pumping Watts are calculated using
the following formula. This additional power is added onto the existing power consumption.
• Pump power correction = (gpm x 0.0631) x (Press Drop x 2990) / 300
Where ‘gpm’ is waterflow in gpm and ‘Press Drop’ is the pressure drop through the unit heat exchanger at rated water
flow in feet of head.
ISO Capacity and Efficiency CalculationsThe following equations illustrate cooling calculations:
• ISO Cooling Capacity = Cooling Capacity (Btuh) x 3.412
• ISO EER Efficiency (W/W) = ISO Cooling Capacity (Btuh) x 3.412 / [Power Input (Watts) + Pump Power Correction (Watt)]
The following equations illustrate heating calculations:
• ISO Heating Capacity = Heating Capacity (Btuh) x 3.412
• ISO COP Efficiency (W/W) = ISO Heating Capacity (Btuh) x 3.412 / [Power Input (Watts) + Pump Power Correction (Watt)]
Test Conditions
Performance Standard (AHRI/ISO/ASHRAE 13256-2)
ISO/AHRI13256-2WLHP
ISO/AHRI13256-2GWHP
ISO/AHRI13256-2GLHP
Cooling Liquid Entering Indoor Side - °F
Standard Rating Test Liquid Entering Heat Exchanger - °F
Part-load Rating Test Liquid Entering Heat Exchanger
Fluid Flow Rate
Heating Liquid Entering Indoor Side - °F
Standard Rating Test Liquid Entering Outdoor-side Heat Exchanger - °F
Part-load Rating Test Liquid Entering Outdoor-side Heat Exchanger
Fluid Flow Rate
53.6
86
86
*
104
68
68
*
53.6
59
59
*
104
50
50
*
53.6
77
68
*
104
32
41
*
NOTES: *Flow rate is specified by the manufacturer
WLHP = Water Loop Heat Pump; GWHP = Ground Water Heat Pump;
GLHP = Ground Loop Heat Pump
Conversions Water Flow (lps) = GPM x 0.0631 Press Drop (Pascals) = Press Drop (ft hd) x 2990
20
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
AHRI/ASHRAE/ISO 13256-2 Water-to-Water RatingsEnglish (IP) Units
Metric (SI) Units
ModelCapacity
Modulation
Flow Rate
Water Loop Heat Pump Ground Water Heat Pump Ground Loop Heat Pump
CoolingEST 86°F
ELT 53.6°F
HeatingEST 68°FELT 104°F
CoolingEST 59°F
ELT 53.6°F
HeatingEST 50°FELT 104°F
CoolingFull EST 77°FPart EST 68°F
ELT 53.6°F
HeatingFull EST 32°F Part
ELT 41°FELT 104°F
Sgpm Lgpm Capacity
Btuh EER
Btuh/W Capacity
Btuh COP
Capacity Btuh
EER Btuh/W
Capacity Btuh
COP Capacity
Btuh EER
Btuh/W Capacity
Btuh COP
096Full 23 23 95,000 14.8 127,000 4.1 108,000 23.0 106,000 3.4 102,000 17.2 84,000 3.1
Part 23 23 52,000 16.3 68,000 4.7 59,000 25.5 56,000 3.8 57,000 22.5 49,000 3.5
108Full 28 28 105,000 14.2 145,000 4.0 125,000 22.0 120,000 3.3 116,000 16.5 95,000 3.0
Part 28 28 60,000 15.8 78,000 4.5 67,000 24.0 64,000 3.8 65,000 21.5 56,000 3.4
120Full 32 32 128,000 13.8 175,000 3.8 151,000 21.0 145,000 3.2 139,000 16.0 115,000 2.8
Part 32 32 72,000 15.4 94,000 4.3 79,000 22.5 78,000 3.7 78,000 20.5 68,000 3.1
140Full 36 36 143,000 14.5 193,000 4.2 166,000 22.5 160,000 3.8 155,000 17.0 127,000 3.1
Part 36 36 79,000 15.5 103,000 4.7 89,000 23.4 83,000 4.2 87,000 21.0 75,000 3.5
180Full 45 45 170,000 14.0 209,000 3.9 183,000 20.0 189,000 3.5 177,000 15.8 153,000 2.8
Part 45 45 89,000 15.0 110,000 4.2 100,000 19.8 98,000 3.8 98,000 18.8 89,000 3.1
210Full 52 52 202,000 14.8 257,000 4.2 227,000 21.8 219,000 3.8 212,000 17.0 173,000 3.1
Part 52 52 107,000 15.5 136,000 4.7 122,000 23.8 116,000 4.2 120,000 20.8 91,000 3.4
240Full 60 60 222,000 13.3 286,000 3.9 257,000 20.0 244,000 3.5 242,000 15.5 193,000 2.8
Part 60 60 117,000 13.9 150,000 4.3 137,000 21.0 123,000 3.8 132,000 18.7 102,000 3.0
360Full 86 86 335,000 14.3 452,600 4.3 na na na na 351,000 16.2 296,500 3.2
Part 86 86 175,000 15.1 237,600 4.6 na na na na 191,500 19.6 170,000 3.5
540Full 135 135 533,400 14.5 691,200 4.3 na na na na 558,500 16.4 485,800 3.3
Part 135 135 277,300 15.2 359,400 4.5 na na na na 302,800 19.5 282,600 3.7
3/9/09
ModelCapacity
Modulation
Flow Rate
Water Loop Heat Pump Ground Water Heat Pump Ground Loop Heat Pump
CoolingEST 30°CELT 12°C
HeatingEST 5°C
ELT 40°C
CoolingEST 15°CELT 12°C
HeatingEST 10°C ELT 40°C
Cooling Full EST 25°C Part EST 20°C
ELT 12°C
Heating Full EST 0°C Part ELT 5°C
ELT 40°C
Source L/S
Load L/S
Capacity Watts
EER (W/W)
Capacity Watts
COP Capacity
Watts EER
(W/W) Capacity
Watts COP
Capacity Watts
EER (W/W)
Capacity Watts
COP
096Full 1.5 1.5 27,843 4.3 37,222 4.1 31,653 6.7 31,067 3.4 29,894 5.0 24,619 3.1
Part 1.5 1.5 15,240 4.8 19,930 4.7 17,292 7.5 16,413 3.8 16,706 6.6 14,361 3.5
108Full 1.8 1.8 30,774 4.2 42,497 4.0 36,635 6.4 35,170 3.3 33,998 4.8 27,843 3.0
Part 1.8 1.8 17,585 4.6 22,860 4.5 19,637 7.0 18,757 3.8 19,050 6.3 16,413 3.4
120Full 2.0 2.0 37,515 4.0 51,290 3.8 44,256 6.2 42,497 3.2 40,739 4.7 33,705 2.8
Part 2.0 2.0 21,102 4.5 27,550 4.3 23,154 6.6 22,860 3.7 22,860 6.0 19,930 3.1
140Full 2.3 2.3 41,911 4.2 56,565 4.2 48,652 6.6 46,893 3.8 45,428 5.0 37,222 3.1
Part 2.3 2.3 23,154 4.5 30,188 4.7 26,084 6.9 24,326 4.2 25,498 6.2 21,981 3.5
180Full 2.8 2.8 49,824 4.1 61,254 3.9 53,634 5.9 55,393 3.5 51,876 4.6 44,842 2.8
Part 2.8 2.8 26,084 4.4 32,239 4.2 29,308 5.8 28,722 3.8 28,722 5.5 26,084 3.1
210Full 3.3 3.3 59,203 4.3 75,322 4.2 66,530 6.4 64,185 3.8 62,134 5.0 50,703 3.1
Part 3.3 3.3 31,360 4.5 39,859 4.7 35,756 7.0 33,998 4.2 35,170 6.1 26,671 3.4
240Full 3.8 3.8 65,064 3.9 83,822 3.9 75,322 5.9 71,512 3.5 70,926 4.5 56,565 2.8
Part 3.8 3.8 34,291 4.1 43,962 4.3 40,152 6.2 36,049 3.8 38,687 5.5 29,894 3.0
360Full 5.4 5.4 98,183 4.2 132,649 4.3 na na na na 102,872 4.7 86,899 3.2
Part 5.4 5.4 51,290 4.4 69,637 4.6 na na na na 56,125 5.7 49,824 3.5
540Full 8.5 8.5 156,331 4.2 202,579 4.3 na na na na 163,687 4.8 142,380 3.3
Part 8.5 8.5 81,272 4.5 105,334 4.5 na na na na 88,746 5.7 82,825 3.7
3/9/09
21
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
English (IP) Units Metric (SI) Units
ModelCapacity
Modulation
Flow Rate Cooling
Load Liquid Flow
Source Liquid Flow
Leaving Load 44°F Ent Source 85°F
gpm gpm Capacity
Btuh EER
Btuh/W
096Full 20 23 97,500 14.6
Part 20 23 53,000 16.0
108Full 22 28 108,000 14.0
Part 22 28 62,000 15.4
120Full 26 32 131,000 13.6
Part 26 32 74,000 15.1
140Full 28 36 147,000 14.2
Part 28 36 81,000 15.2
180Full 35 45 175,000 13.7
Part 35 45 91,000 14.7
210Full 40 52 208,000 14.5
Part 40 52 110,000 15.2
240Full 48 60 228,000 13.0
Part 48 60 120,000 13.6
360Full 69 86 345,000 14.0
Part 69 86 179,400 14.8
540Full 108 135 540,000 14.3
Part 108 135 280,800 15.0
3/9/09
ModelCapacity
Modulation
Flow Rate Cooling
Load Liquid Flow
Source Liquid Flow
Leaving Load 6.7°CEnt Source 30°C
L/s L/s Capacity
Watts EER
(W/W)
096Full 1.3 1.5 28,576 4.3
Part 1.3 1.5 15,533 4.7
108Full 1.4 1.8 31,653 4.1
Part 1.4 1.8 18,171 4.5
120Full 1.6 2.0 38,394 4.0
Part 1.6 2.0 21,688 4.4
140Full 1.8 2.3 43,083 4.2
Part 1.8 2.3 23,740 4.5
180Full 2.2 2.8 51,290 4.0
Part 2.2 2.8 26,671 4.3
210Full 2.5 3.3 60,961 4.2
Part 2.5 3.3 32,239 4.5
240Full 3.0 3.8 66,823 3.8
Part 3.0 3.8 35,170 4.0
360Full 4.4 5.4 101,114 4.1
Part 4.4 5.4 52,579 4.3
540Full 6.8 8.5 158,265 4.2
Part 6.8 8.5 82,298 4.4
3/9/09
AHRI 550 Chiller Ratings
22
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
A
CB
EFGH
J
D
FR
ON
TR
IGH
TS
IDE
BA
CK
K
TO
P
EL
EC
TR
ICA
L(L
INE
VO
LTA
GE
)
EL
EC
TR
ICA
L(L
OW
VO
LTA
GE
)
EL
EC
TR
ICA
L(L
OW
VO
LTA
GE
)
SO
UR
CE
WA
TE
R
OU
T
LOA
D W
AT
ER IN
SO
UR
CE
WA
TE
R IN
LOA
D W
AT
ER
OU
T
(WA
TE
R L
INE
LO
CA
TIO
NS
)
(36
0 S
HO
WN
)
Physical Dimensions Without Enclosure
Dim
en
sio
nal
Data
fo
r u
nit
wit
ho
ut
en
clo
sure
Mo
de
lA
BC
DE
FG
HJ
K
09
6-2
40
51.0
22.5
38
.03
5.1
6.1
17.0
7.9
17.0
11.2
1.5
[129
5]
[572]
[96
5]
[89
1][1
55
][4
32]
[20
2]
[43
2]
[28
5]
[38
]
36
06
3.2
22.5
50
.04
2.0
6.4
17.0
13.9
17.0
11.3
1.5
[16
05
][5
72]
[1270
][1
06
7]
[16
2]
[43
2]
[35
4]
[43
2]
[28
6]
[39
]
54
070
.022.5
52.0
47.
86
.517
.019
.517
.014
.30
.8
[1778
][5
72]
[13
21]
[1215
][1
66
][4
32]
[49
5]
[43
2]
[36
2]
[20
]
All
dim
en
sio
ns
in in
ch
es,
[m
m]
All
wate
r co
nn
ecti
on
s are
2 in
. V
icta
ulic
3/9
/09
23
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
RIG
HT
SID
EB
AC
KC
A
B
DEFG
HFR
ON
T
TO
P
LOA
D W
ATE
R IN
SOU
RC
E W
ATE
R IN
LOA
D W
ATE
R O
UT
SOU
RC
E W
ATE
R O
UT
EL
EC
TR
ICA
L(L
OW
VO
LTA
GE
)
EL
EC
TR
ICA
L(L
OW
VO
LTA
GE
)
(WA
TE
R L
INE
LO
CA
TIO
NS
)
(36
0 S
HO
WN
)
Physical Dimensions With Enclosure
Dim
en
sio
nal
Data
fo
r u
nit
wit
h e
nclo
sure
Mo
de
lA
BC
DE
FG
H
09
6-2
40
53
.022.4
38
.06
.117
.07.
917
.011
.2
[13
47]
[56
8]
[96
5]
[15
4]
[43
2]
[20
2]
[43
2]
[28
5]
36
06
4.2
23
.95
0.0
6.4
17.0
13.9
17.0
11.8
[16
20
][6
08
][1
270
][1
62]
[43
2]
[35
4]
[43
2]
[30
1]
54
07
1.0
23
.95
2.4
6.5
17.0
19.5
17.0
14.9
[18
03
][6
07]
[13
30
][1
66
][4
32]
[49
5]
[43
2]
[378
]
All
dim
en
sio
ns
in in
ch
es,
[m
m]
All
wate
r co
nn
ecti
on
s are
2 in
. V
icta
ulic
3/9
/09
24
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Physical Data
Model Configuration CompressorRefrigerant
Charge*
Total Weight Corner Weights
Shipping Installed Front Left Rear Left Front Right Rear Right
096
withenclosure
Scroll (2) 4.0 [1.8] 705 [320] 627 [284] 135 [61] 175 [79] 138 [63] 179 [81]
withoutenclosure
Scroll (2) 4.0 [1.8] 625 [284] 547 [248] 115 [52] 155 [70] 118 [54] 159 [72]
108
withenclosure
Scroll (2) 4.3 [1.9] 705 [320] 627 [284] 135 [61] 175 [79] 138 [63] 179 [81]
withoutenclosure
Scroll (2) 4.3 [1.9] 625 [284] 547 [248] 115 [52] 155 [70] 118 [54] 159 [72]
120
withenclosure
Scroll (2) 4.8 [2.2] 705 [320] 627 [284] 135 [61] 175 [79] 138 [63] 179 [81]
withoutenclosure
Scroll (2) 4.8 [2.2] 625 [284] 547 [248] 115 [52] 155 [70] 118 [54] 159 [72]
140
withenclosure
Scroll (2) 6.3 [2.8] 733 [332] 655 [297] 142 [64] 182 [83] 145 [66] 186 [84]
withoutenclosure
Scroll (2) 6.3 [2.8] 653 [296] 575 [261] 122 [55] 162 [73] 125 [57] 166 [75]
180
withenclosure
Scroll (2) 7.0 [3.2] 769 [349] 691 [313] 151 [69] 191 [87] 154 [70] 195 [88]
withoutenclosure
Scroll (2) 7.0 [3.2] 689 [313] 611 [277] 129 [59] 171 [78] 124 [56] 175 [79]
210
withenclosure
Scroll (2) 7.5 [3.4] 825 [374] 747 [339] 165 [75] 205 [93] 168 [76] 209 [95]
withoutenclosure
Scroll (2) 7.5 [3.4] 755 [343] 677 [307] 170 [77] 210 [95] 173 [78] 214 [97]
240
withenclosure
Scroll (2) 7.5 [3.4] 825 [374] 747 [339] 165 [75] 205 [93] 168 [76] 209 [95]
withoutenclosure
Scroll (2) 7.5 [3.4] 755 [343] 677 [307] 170 [77] 210 [95] 173 [78] 214 [97]
360
withenclosure
Scroll (2) 12.3 [5.6] 1125 [510] 1047 [475] 255 [116] 263 [119] 260 [118] 269 [122]
withoutenclosure
Scroll (2) 12.3 [5.6] 963 [437] 885 [401] 214 [97] 223 [101] 220 [100] 228 [103]
540
withenclosure
Scroll (2) 21.3 [9.6] 1920 [871] 1842 [836] 349 [158] 595 [270] 664 [301] 312 [142]
withoutenclosure
Scroll (2) 21.3 [9.6] 1808 [820] 1730 [785] 321 [146] 567 [257] 636 [288] 284 [129]
3/9/09Weights shown in lbs [kg]*Refrigerant per circuit in lbs [kg]Add 24 lbs [11 kg] for fluid weight when full. (096-120)Add 32 lbs [15 kg] for fluid weight when full. (140-180)Add 48 lbs [22 kg] for fluid weight when full. (210-240)Add 64 lbs [29 kg] for fluid weight when full. (360)Add 110 lbs [50 kg] for fluid weight when full. (540)
25
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Electrical Data
ModelRated
VoltageVoltageMin/Max
Compressor* TotalUnit FLA
MinCirc Amp
MaxFuse/HACRMCC RLA LRA
096
208-230/60/3 187/253 24.9 15.9 110.0 31.9 36.0 50
460/60/3 414/506 12.1 7.7 52.0 15.4 17.3 25
575/60/3 517/633 8.9 5.7 38.9 11.4 12.8 15
108
208-230/60/3 187/253 28.0 17.3 120.0 34.6 38.9 50
460/60/3 414/506 15.0 9.6 70.0 19.2 21.6 30
575/60/3 517/633 12.5 8.0 53.0 16.0 18.0 25
380/60/3 342/418 14.1 9.0 94.0 18.0 20.3 25
120
208-230/60/3 187/253 35.0 22.4 149.0 44.8 50.4 70
460/60/3 414/506 16.5 10.6 75.0 21.2 23.9 30
575/60/3 517/633 12.0 7.7 54.0 15.4 17.3 25
380/60/3 342/418 17.1 11.0 88.0 22.0 24.8 35
140
208-230/60/3 187/253 35.0 22.4 190.0 44.8 50.4 70
460/60/3 414/506 19.0 12.2 87.0 24.4 27.5 35
575/60/3 517/633 15.0 9.6 62.0 19.2 21.6 30
380/60/3 342/418 19.0 12.2 73.0 24.4 27.5 35
180
208-230/60/3 187/253 45.0 26.6 235.0 53.2 59.9 80
460/60/3 414/506 19.0 12.2 110.0 24.4 27.5 35
575/60/3 517/633 16.5 10.9 95.0 21.8 24.5 35
380/60/3 342/418 26.0 16.7 123.0 33.4 37.6 50
210
208-230/60/3 187/253 47.0 31.0 235.0 62.0 69.8 100
460/60/3 414/506 25.0 16.0 110.0 32.0 36.0 50
575/60/3 517/633 17.3 11.9 95.0 23.8 26.8 35
380/60/3 342/418 30.0 19.2 140.0 38.4 43.2 60
240
208-230/60/3 187/253 52.2 35.2 250.0 70.4 79.2 110
460/60/3 414/506 27.0 19.2 140.0 38.4 43.2 60
575/60/3 517/633 19.1 14.5 100.0 29.0 32.6 45
380/60/3 342/418 37.0 23.7 145.0 47.4 53.3 70
360
208-230/60/3 187/253 87.0 55.8 340.0 111.5 125.5 175
460/60/3 414/506 42.0 26.9 173.0 53.8 60.6 80
575/60/3 517/633 37.0 23.7 132.0 47.4 53.4 70
380/60/3 342/418 53.0 34.0 196.0 67.9 76.4 100
540
460/60/3 414/506 67.0 42.9 250.0 85.8 96.5 125
575/60/3 517/633 50.0 32.0 198.0 64.0 72.0 100
380/60/3 342/418 85.0 54.4 305.0 108.8 122.4 175
3/9/09HACR circuit breaker in USA only.* - MCC, RLA, & LRA rating per compressor. Breaker and FLA sized for both compressors.
26
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Sound Data
Model Configuration dBA
096with enclosure 61.0
without enclosure 70.0
108 with enclosure 61.0
without enclosure 70.0
120 with enclosure 61.0
without enclosure 70.0
140 with enclosure 61.0
without enclosure 70.0
180 with enclosure 63.0
without enclosure 73.0
210 with enclosure 63.0
without enclosure 73.0
240 with enclosure 63.0
without enclosure 73.0
360 with enclosure 65.0
without enclosure 75.0
540 with enclosure 68.0
without enclosure 78.0
3/9/09
NXW540
6.0´2.75´
6.0´
6.0´
6.0´
24´
25´ Mic Pos#2
Mic Pos#4
Mic Pos#3
Mic Pos#1
Ceiling height: 9´7˝, Room Volume: 5748 cu. ft.,Min. Distance from source: 5.4´, Min. Distance from walls/ceiling: 1.7´Min. Distance from mic positions: 4.5´ (1/2 wavelength 125 Hz)Mic height Pos #1: 2´, Mic height Pos #2: 3´,Mic height Pos #3: 4´, and Mic height Pos #4: 5´
27
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
HE
GPM x 500*
Legend and Notes
Abbreviations and Definitions
Reference CalculationsHeating Calculations: Cooling Calculations:
LWT = EWT + HR
GPM x 500*LWT = EWT -
NOTE: * When using water. Use 485 for 15% methanol/water or Environol solution.
ELT = entering load fluid temperature to heat pump
EER = cooling energy effciency (TC/KW)
LLT = leaving load fluid temperature from heat pump
PSI = pressure drop in pounds per square inch
LGPM = load flow in gallons per minuteFT HD = pressure drop in feet of head
LWPD = load heat exchanger water pressure dropKW = kilowatt
EST = entering source fluid temperature to heat pump
HR = heat rejected in MBTUH
LST = leaving source fluid temperature from heat pumpTC = total cooling capacity in MBTUH
SGPM = source flow in gallons per minuteCOP = coefficient of performance (HC/KW x 3.413)
SWPD = source heat exchanger water pressure dropHC = heating capacity in MBTUHHE = heat of extraction in MBTUH
Notes to Performance Data Tables
The following notes apply to all performance data tables:Three flow rates are shown for each unit. The lowest flow rate shown is used for geothermal open loop/well water •
systems with a minimum of 50°F EST. The middle flow rate shown is the minimum geothermal closed loop flow rate.
The highest flow rate shown is optimum for geothermal closed loop systems and the suggested flow rate for boiler/
tower applications.
Entering water temperatures below 40°F assumes 15% antifreeze solution. •
Interpolation between ELT, EST, and GPM data is permissible. •
Operation in the gray areas is not recommended.•
28
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Catalog performance can be corrected for antifreeze use. Please use the following table and note the example given.
Antifreeze Correction ExampleAntifreeze solution is Propylene Glycol 20% by weight for the source and Methanol 10% for the load. Determine the
corrected heating at 30°F source and 90°F load as well as pressure drop at 30°F for an Envision Series NXW120. Also,
determine the corrected cooling at 90°F source and 50°F load.
The corrected heating capacity at 30°F/90°F would be:
113.1 MBtuh x 0.913 x 0.986 = 101.8 MBtuh
The corrected cooling capacity at 90°F/50°F would be:
125.9 MBtuh x 0.969 x 0.961 = 117.2 MBtuh
The corrected pressure drop at 30°F and 30 GPM would be:
3.8 psi x 1.270 = 4.8 psi
Antifreeze Correction
Antifreeze TypeAntifreeze %
by wt
Heating Cooling Pressure DropLoad Source Load Source
EWT - °F [°C] 90 [32.2] 30 [-1.1] 50 [10] 90 [32.2] 30 [-1.1]
Water 0 1.000 1.000 1.000 1.000 1.000
Ethylene Glycol
10 0.991 0.973 0.975 0.991 1.075
20 0.979 0.943 0.946 0.979 1.163
30 0.965 0.917 0.920 0.965 1.225
40 0.955 0.890 0.895 0.955 1.324
50 0.943 0.865 0.870 0.943 1.419
Propylene Glycol
10 0.981 0.958 0.959 0.981 1.130
20 0.969 0.913 0.919 0.969 1.270
30 0.950 0.854 0.866 0.950 1.433
40 0.937 0.813 0.829 0.937 1.614
50 0.922 0.770 0.789 0.922 1.816
Ethanol
10 0.991 0.927 0.941 0.991 1.242
20 0.972 0.887 0.901 0.972 1.343
30 0.947 0.856 0.866 0.947 1.383
40 0.930 0.815 0.826 0.930 1.523
50 0.911 0.779 0.791 0.911 1.639
Methanol
10 0.986 0.957 0.961 0.986 1.127
20 0.970 0.924 0.928 0.970 1.197
30 0.951 0.895 0.897 0.951 1.235
40 0.936 0.863 0.865 0.936 1.323
50 0.920 0.833 0.835 0.920 1.399
WARNING: Gray area represents antifreeze concentrations greater than 35% by weight and should be avoided due to the extreme performance penalty they represent.
29
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Pressure Drop
Model GPMPressure Drop (psi)
30°F 50°F 70°F 90°F 110°F
096
12 0.8 0.6 0.4 0.2 0.1
18 1.7 1.5 1.3 1.0 0.8
24 2.7 2.4 2.2 1.9 1.5
30 3.8 3.6 3.3 3.1 2.4
108
14 1.1 0.9 0.7 0.5 0.3
21 2.2 2.0 1.8 1.5 1.2
28 3.4 3.2 2.9 2.7 2.1
36 4.9 4.7 4.4 4.2 3.3
120
15 1.0 0.8 0.5 0.3 0.1
23 2.5 2.3 2.0 1.8 1.3
30 3.8 3.6 3.3 3.1 2.4
40 5.6 5.4 5.1 4.9 3.9
140
18 0.7 0.4 0.3 0.1 0.1
27 1.5 1.3 1.2 1.0 0.9
36 3.1 2.8 2.5 2.2 1.9
48 5.2 4.8 4.2 3.8 3.3
180
23 1.1 0.9 0.8 0.6 0.5
34 2.7 2.5 2.2 1.9 1.7
45 4.7 4.3 3.8 3.4 3.0
60 7.4 6.8 6.0 5.4 4.7
210
26 0.7 0.5 0.3 0.2 0.1
39 1.4 1.1 0.9 0.7 0.5
52 2.5 2.2 1.9 1.6 1.3
72 5.2 4.7 4.2 3.7 3.2
240
30 0.9 0.6 0.4 0.2 0.1
45 2.2 1.9 1.6 1.3 1.0
60 4.3 3.8 3.4 3.0 2.5
80 6.5 5.8 5.3 4.7 4.1
360
45 1.5 1.3 1.2 1.1 1.0
68 3.6 3.4 3.2 3.0 2.8
90 4.4 4.1 3.8 3.5 3.3
120 5.8 5.5 5.2 4.9 4.6
540
68 1.4 1.2 1.0 0.8 0.7
108 3.4 3.2 3.0 2.7 2.5
135 5.0 4.8 4.5 4.2 3.9
180 7.7 7.5 7.0 6.7 6.2
1/15/10
30
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW096 Performance DataHeating
Source Load Flow - 12 GPM Load Flow - 18 GPM Load Flow - 24 GPM
EWT°F
FlowGPM
ELT°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
30
18
60 76.0 96.0 4.9 79.2 5.7 16.8 70.8 96.8 4.8 80.2 5.9 21.1 68.1 97.5 4.8 81.2 6.0 23.2
80 95.5 92.9 6.6 70.3 4.1 18.3 90.4 94.0 6.5 71.8 4.2 22.0 87.9 95.0 6.4 73.2 4.4 23.9
100 115.0 89.8 8.3 61.5 3.2 19.8 110.1 91.1 8.2 63.3 3.3 23.0 107.7 92.4 8.0 65.1 3.4 24.6
120 Operation not recommended
24
60 76.4 98.5 5.0 81.5 5.8 16.4 71.0 99.3 4.9 82.6 6.0 20.8 68.3 100.0 4.8 83.6 6.1 23.0
80 95.9 95.3 6.7 72.6 4.2 17.9 90.7 96.4 6.6 74.0 4.3 21.8 88.1 97.4 6.4 75.4 4.4 23.7
100 115.4 92.1 8.4 63.6 3.2 19.4 110.4 93.5 8.2 65.4 3.3 22.7 107.9 94.8 8.1 67.3 3.4 24.4
120 Operation not recommended
50
12
60 79.0 114.0 5.0 97.0 6.7 33.8 72.8 114.9 4.9 98.1 6.9 39.1 69.6 115.8 4.8 99.3 7.0 41.7
80 98.5 110.9 6.7 88.0 4.9 35.3 92.5 112.1 6.6 89.6 5.0 40.0 89.4 113.3 6.5 91.3 5.1 42.4
100 118.0 107.7 8.4 79.1 3.8 36.8 112.1 109.3 8.2 81.1 3.9 41.0 109.2 110.8 8.1 83.2 4.0 43.1
120 137.4 104.6 10.1 70.1 3.0 38.3 131.8 106.5 9.9 72.6 3.1 41.9 129.0 108.4 9.7 75.2 3.3 43.7
18
60 79.5 117.0 5.0 99.9 6.8 33.4 73.1 117.9 4.9 101.0 7.0 38.8 69.9 118.8 4.9 102.2 7.2 41.5
80 99.0 113.8 6.8 90.8 4.9 34.9 92.8 115.0 6.6 92.4 5.1 39.7 89.7 116.3 6.5 94.1 5.2 42.2
100 118.4 110.6 8.5 81.7 3.8 36.4 112.5 112.2 8.3 83.8 4.0 40.7 109.5 113.8 8.1 85.9 4.1 42.8
120 137.9 107.3 10.2 72.6 3.1 37.9 132.1 109.3 10.0 75.2 3.2 41.6 129.3 111.2 9.8 77.8 3.3 43.5
24
60 80.0 120.0 5.1 102.7 6.9 32.9 73.4 121.0 5.0 103.9 7.1 38.5 70.2 121.9 4.9 105.1 7.3 41.2
80 99.5 116.7 6.8 93.5 5.0 34.4 93.1 118.0 6.7 95.2 5.2 39.4 89.9 119.3 6.6 96.9 5.3 41.9
100 118.9 113.4 8.5 84.3 3.9 36.0 112.8 115.0 8.4 86.5 4.0 40.4 109.7 116.7 8.2 88.7 4.2 42.6
120 138.3 110.1 10.3 75.1 3.1 37.5 132.5 112.1 10.1 77.7 3.3 41.4 129.5 114.1 9.9 80.4 3.4 43.3
70
12
60 82.4 134.5 5.1 117.1 7.7 50.5 75.1 135.5 5.0 118.4 7.9 56.8 71.4 136.5 4.9 119.7 8.1 60.0
80 101.9 131.2 6.8 107.9 5.6 52.0 94.7 132.6 6.7 109.8 5.8 57.8 91.2 134.1 6.6 111.6 6.0 60.7
100 121.3 127.9 8.6 98.7 4.4 53.5 114.4 129.8 8.4 101.1 4.5 58.8 111.0 131.6 8.2 103.5 4.7 61.4
120 140.8 124.6 10.3 89.5 3.6 55.1 134.1 126.9 10.1 92.5 3.7 59.7 130.8 129.1 9.9 95.4 3.8 62.0
18
60 83.0 138.0 5.1 120.5 7.9 49.9 75.5 139.1 5.0 121.9 8.1 56.5 71.7 140.1 5.0 123.2 8.3 59.7
80 102.4 134.7 6.9 111.2 5.7 51.5 95.1 136.1 6.8 113.1 5.9 57.4 91.5 137.6 6.6 115.0 6.1 60.4
100 121.9 131.3 8.6 101.9 4.5 53.0 114.8 133.2 8.5 104.3 4.6 58.4 111.3 135.1 8.3 106.8 4.8 61.1
120 141.3 127.9 10.4 92.6 3.6 54.6 134.5 130.2 10.2 95.6 3.8 59.4 131.0 132.5 10.0 98.6 3.9 61.8
24
60 83.6 141.6 5.2 123.9 8.0 49.3 75.9 142.7 5.1 125.3 8.2 56.1 72.0 143.7 5.0 126.7 8.4 59.4
80 103.0 138.1 6.9 114.5 5.8 50.9 95.5 139.6 6.8 116.4 6.0 57.1 91.8 141.1 6.7 118.3 6.2 60.1
100 122.4 134.6 8.7 105.0 4.5 52.5 115.2 136.6 8.5 107.5 4.7 58.1 111.5 138.5 8.4 110.0 4.9 60.8
120 141.9 131.2 10.4 95.6 3.7 54.1 134.8 133.6 10.2 98.6 3.8 59.0 131.3 135.9 10.0 101.7 4.0 61.5
90
12
60 85.8 155.0 5.2 137.2 8.7 67.1 77.3 156.1 5.1 138.7 9.0 74.6 73.1 157.3 5.0 140.2 9.2 78.3
80 105.3 151.5 6.9 127.8 6.4 68.7 97.0 153.2 6.8 129.9 6.6 75.6 92.9 154.9 6.7 132.0 6.8 79.0
100Operation not recommended
120
18
60 86.5 159.0 5.2 141.2 8.9 66.5 77.8 160.2 5.2 142.7 9.1 74.1 73.5 161.5 5.1 144.2 9.3 78.0
80 105.9 155.5 7.0 131.6 6.5 68.1 97.5 157.2 6.9 133.8 6.7 75.1 93.2 158.9 6.7 135.9 6.9 78.7
100 125.3 152.0 8.8 122.1 5.1 69.7 117.1 154.2 8.6 124.8 5.3 76.1 113.0 156.4 8.4 127.6 5.4 79.4
120 Operation not recommended
24
60 87.2 163.1 5.3 145.1 9.1 65.8 78.3 164.4 5.2 146.7 9.3 73.7 73.8 165.6 5.1 148.2 9.5 77.7
80 106.6 159.5 7.1 135.4 6.6 67.4 97.9 161.3 6.9 137.6 6.8 74.7 93.6 163.0 6.8 139.8 7.0 78.4
100 126.0 155.9 8.8 125.8 5.2 69.0 117.6 158.1 8.7 128.6 5.3 75.7 113.4 160.4 8.5 131.4 5.5 79.1
120 Operation not recommended
NOTE: For part load operation, divide capacity by 2.
31
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW096 Performance Data cont.Cooling
Source Load Flow - 12 GPM Load Flow - 18 GPM Load Flow - 24 GPM
EST°F
FlowGPM
ELT°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
30
12
50 34.3 94.4 3.73 107.1 25.3 47.9 39.1 97.9 3.8 110.9 25.8 48.5 41.5 101.5 3.85 114.6 26.4 49.1
70 52.2 106.6 4.02 120.3 26.5 50.1 57.7 110.6 4.1 124.5 27.1 50.8 60.4 114.6 4.14 128.8 27.7 51.5
90 70.2 118.9 4.30 133.5 27.6 52.3 76.3 123.3 4.4 138.2 28.2 53.0 79.3 127.8 4.44 142.9 28.8 53.8
110 88.1 131.1 4.59 146.8 28.6 54.5 94.9 136.0 4.7 151.9 29.2 55.3 98.3 141.0 4.73 157.1 29.8 56.2
18
50 33.2 100.5 3.6 112.7 28.2 42.5 38.4 104.4 3.6 116.8 28.9 43.0 41.0 108.4 3.7 120.9 29.5 43.4
70 51.1 113.7 3.84 126.8 29.6 44.1 56.9 118.1 3.9 131.4 30.3 44.6 59.8 122.5 3.96 135.9 31.0 45.1
90 68.9 126.9 4.11 140.9 30.9 45.7 75.4 131.7 4.2 145.9 31.6 46.2 78.6 136.5 4.24 151.0 32.2 46.8
110 86.7 140.0 4.4 155.0 32.0 47.2 93.9 145.3 4.4 160.5 32.7 47.8 97.5 150.6 4.5 166.0 33.4 48.4
24
50 32.2 106.7 3.40 118.2 31.4 39.9 37.7 111.0 3.4 122.7 32.2 40.2 40.4 115.3 3.50 127.2 32.9 40.6
70 49.9 120.8 3.65 133.2 33.1 41.1 56.1 125.5 3.7 138.2 33.8 41.5 59.1 130.3 3.77 143.1 34.6 41.9
90 67.5 134.9 3.91 148.2 34.5 42.4 74.4 140.1 4.0 153.6 35.3 42.8 77.9 145.2 4.03 159.0 36.0 43.2
110 85.2 149.0 4.17 163.2 35.7 43.6 92.8 154.6 4.2 169.0 36.5 44.1 96.7 160.2 4.30 174.9 37.3 44.6
50
12
50 35.4 87.3 5.15 104.9 16.9 67.5 39.9 90.6 5.2 108.5 17.3 68.1 42.2 93.9 5.31 112.0 17.7 68.7
70 53.3 100.5 5.51 119.3 18.2 69.9 58.4 104.3 5.6 123.3 18.6 70.6 61.0 108.0 5.68 127.4 19.0 71.2
90 71.1 113.6 5.86 133.6 19.4 72.3 76.9 117.9 6.0 138.2 19.8 73.0 79.8 122.2 6.04 142.8 20.2 73.8
110 88.9 126.8 6.22 148.0 20.4 74.7 95.4 131.6 6.3 153.1 20.8 75.5 98.6 136.3 6.41 158.2 21.3 76.4
18
50 34.6 92.3 4.9 109.2 18.7 62.1 39.3 96.0 5.0 113.0 19.2 62.6 41.7 99.6 5.1 116.9 19.6 63.0
70 52.3 106.3 5.27 124.3 20.2 63.8 57.7 110.4 5.3 128.6 20.6 64.3 60.5 114.5 5.43 133.0 21.1 64.8
90 70.0 120.3 5.61 139.4 21.5 65.5 76.1 124.8 5.7 144.3 21.9 66.0 79.2 129.4 5.78 149.1 22.4 66.6
110 87.6 134.2 5.9 154.5 22.6 67.2 94.5 139.3 6.0 159.9 23.1 67.8 98.0 144.3 6.1 165.2 23.5 68.4
24
50 33.8 97.3 4.70 113.4 20.7 59.4 38.7 101.3 4.8 117.6 21.2 59.8 41.2 105.2 4.85 121.8 21.7 60.1
70 51.3 112.1 5.03 129.3 22.3 60.8 57.1 116.5 5.1 133.9 22.8 61.2 59.9 120.9 5.18 138.6 23.3 61.6
90 68.8 126.9 5.35 145.2 23.7 62.1 75.4 131.8 5.4 150.3 24.2 62.5 78.6 136.6 5.52 155.5 24.8 63.0
110 86.4 141.7 5.67 161.0 25.0 63.4 93.7 147.0 5.8 166.7 25.5 63.9 97.3 152.4 5.85 172.3 26.0 64.4
70
12
50 36.6 80.3 6.57 102.7 12.2 87.1 40.7 83.3 6.7 106.1 12.5 87.7 42.8 86.4 6.78 109.5 12.7 88.2
70 54.3 94.4 7.00 118.2 13.5 89.7 59.1 97.9 7.1 122.2 13.8 90.4 61.5 101.5 7.21 126.1 14.1 91.0
90 71.9 108.4 7.42 133.7 14.6 92.3 77.5 112.5 7.5 138.2 14.9 93.0 80.3 116.6 7.65 142.7 15.2 93.8
110 Operation not recommended
18
50 36.0 84.2 6.3 105.6 13.4 81.7 40.3 87.5 6.4 109.3 13.7 82.1 42.4 90.8 6.5 112.9 14.0 82.5
70 53.5 98.9 6.70 121.8 14.8 83.5 58.6 102.7 6.80 125.9 15.1 84.0 61.1 106.5 6.91 130.1 15.4 84.5
90 71.1 113.7 7.11 137.9 16.0 85.3 76.9 118.0 7.22 142.6 16.4 85.8 79.8 122.3 7.33 147.3 16.7 86.4
110 Operation not recommended
24
50 35.3 88.0 6.01 108.5 14.6 79.0 39.8 91.6 6.1 112.4 15.0 79.4 42.1 95.2 6.20 116.3 15.3 79.7
70 52.8 103.5 6.40 125.3 16.2 80.4 58.1 107.5 6.5 129.7 16.5 80.8 60.7 111.6 6.60 134.1 16.9 81.2
90 70.2 118.9 6.79 142.1 17.5 81.8 76.3 123.5 6.9 147.0 17.9 82.3 79.3 128.1 7.00 151.9 18.3 82.7
110 Operation not recommended
90
12
50 37.8 73.3 7.99 100.6 9.2 106.8 41.6 76.0 8.1 103.7 9.4 107.3 43.4 78.8 8.24 106.9 9.6 107.8
70 55.3 88.2 8.49 117.2 10.4 109.5 59.8 91.6 8.62 121.0 10.6 110.2 62.1 94.9 8.75 124.7 10.8 110.8
90 72.8 103.2 8.98 133.8 11.5 112.3 78.1 107.1 9.12 138.2 11.7 113.0 80.8 110.9 9.26 142.5 12.0 113.8
110 Operation not recommended
18
50 37.3 76.0 7.7 102.1 9.9 101.3 41.2 79.0 7.8 105.5 10.2 101.7 43.2 81.9 7.9 108.9 10.4 102.1
70 54.7 91.5 8.13 119.3 11.3 103.3 59.4 95.0 8.26 123.2 11.5 103.7 61.8 98.6 8.38 127.2 11.8 104.1
90 72.2 107.1 8.60 136.4 12.4 105.2 77.7 111.1 8.74 140.9 12.7 105.7 80.4 115.2 8.87 145.5 13.0 106.2
110 Operation not recommended
24
50 36.9 78.7 7.32 103.7 10.7 98.6 40.9 81.9 7.4 107.3 11.0 98.9 42.9 85.1 7.55 110.8 11.3 99.2
70 54.2 94.8 7.78 121.4 12.2 100.1 59.1 98.5 7.90 125.5 12.5 100.5 61.5 102.3 8.02 129.6 12.8 100.8
90 71.5 111.0 8.23 139.0 13.5 101.6 77.2 115.2 8.36 143.7 13.8 102.0 80.0 119.5 8.48 148.4 14.1 102.4
110 Operation not recommended
110
12
50 39.0 66.3 9.41 98.4 7.0 126.4 42.4 68.8 9.6 101.4 7.2 126.9 44.1 71.3 9.70 104.3 7.3 127.4
70 56.3 82.1 9.97 116.1 8.2 129.4 60.5 85.2 10.13 119.8 8.4 130.0 62.6 88.3 10.28 123.4 8.6 130.6
90Operation not recommended
110
18
50 38.7 67.8 9.0 98.6 7.5 121.0 42.2 70.5 9.2 101.7 7.7 121.3 43.9 73.1 9.3 104.9 7.9 121.7
70 56.0 84.1 9.56 116.8 8.8 123.0 60.3 87.4 9.71 120.5 9.0 123.4 62.4 90.6 9.86 124.2 9.2 123.8
90Operation not recommended
110
24
50 38.4 69.4 8.63 98.8 8.0 118.2 42.0 72.2 8.8 102.1 8.2 118.5 43.8 75.0 8.90 105.4 8.4 118.8
70 55.6 86.2 9.15 117.4 9.4 119.8 60.0 89.6 9.29 121.3 9.6 120.1 62.3 92.9 9.43 125.1 9.9 120.4
90Operation not recommended
110
NOTE: For part load operation, divide capacity by 2.
32
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW108 Performance DataHeating
Source Load Flow - 14 GPM Load Flow - 21 GPM Load Flow - 28 GPM
EWT°F
FlowGPM
ELT°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
30
21
60 75.1 105.6 5.8 86.0 5.4 17.7 70.1 106.4 5.7 87.1 5.5 21.7 67.7 107.3 5.6 88.3 5.7 23.7
80 94.6 102.3 7.7 76.2 3.9 19.1 89.9 103.4 7.5 77.8 4.0 22.6 87.5 104.6 7.4 79.4 4.2 24.3
100 114.1 99.0 9.6 66.4 3.0 20.5 109.6 100.4 9.4 68.4 3.1 23.5 107.3 101.9 9.2 70.5 3.2 25.0
120 Operation not recommended
28
60 75.5 108.4 5.8 88.6 5.5 17.3 70.4 109.2 5.7 89.7 5.6 21.5 67.9 110.0 5.6 90.9 5.8 23.5
80 95.0 104.9 7.7 78.6 4.0 18.8 90.1 106.1 7.6 80.3 4.1 22.4 87.7 107.2 7.4 81.9 4.2 24.2
100 114.5 101.5 9.6 68.7 3.1 20.2 109.8 103.0 9.4 70.8 3.2 23.3 107.5 104.5 9.3 72.8 3.3 24.8
120 Operation not recommended
50
14
60 78.1 126.6 6.0 106.2 6.2 34.8 72.1 127.5 5.9 107.5 6.4 39.8 69.2 128.5 5.8 108.8 6.5 42.2
80 97.5 122.3 7.9 95.5 4.6 36.4 91.8 123.6 7.7 97.3 4.7 40.7 88.9 125.0 7.6 99.1 4.8 42.9
100 116.9 118.1 9.8 84.8 3.5 37.9 111.4 119.8 9.6 87.1 3.7 41.7 108.7 121.5 9.4 89.4 3.8 43.6
120 136.3 113.8 11.6 74.1 2.9 39.4 131.0 115.9 11.4 76.9 3.0 42.7 128.4 117.9 11.2 79.7 3.1 44.3
21
60 78.6 129.9 6.0 109.3 6.3 34.4 72.5 130.9 5.9 110.7 6.5 39.5 69.4 131.9 5.8 112.0 6.6 42.0
80 97.9 125.5 7.9 98.5 4.6 35.9 92.1 126.9 7.8 100.3 4.8 40.4 89.2 128.3 7.6 102.2 4.9 42.7
100 117.3 121.2 9.8 87.6 3.6 37.5 111.7 122.9 9.6 90.0 3.7 41.4 108.9 124.6 9.5 92.4 3.9 43.4
120 136.7 116.8 11.7 76.8 2.9 39.0 131.3 118.9 11.5 79.6 3.0 42.4 128.6 121.0 11.3 82.5 3.1 44.1
28
60 79.0 133.2 6.1 112.5 6.4 33.9 72.8 134.3 6.0 113.9 6.6 39.2 69.7 135.3 5.9 115.2 6.8 41.8
80 98.4 128.8 8.0 101.5 4.7 35.5 92.4 130.2 7.8 103.4 4.9 40.2 89.4 131.6 7.7 105.3 5.0 42.5
100 117.8 124.3 9.9 90.5 3.7 37.1 112.0 126.1 9.7 92.9 3.8 41.2 109.1 127.8 9.5 95.3 3.9 43.2
120 137.1 119.8 11.8 79.5 3.0 38.6 131.6 122.0 11.6 82.4 3.1 42.2 128.9 124.1 11.4 85.4 3.2 43.9
70
14
60 81.5 150.2 6.3 128.9 7.0 51.6 74.4 151.4 6.1 130.4 7.2 57.6 70.9 152.5 6.0 131.9 7.4 60.6
80 100.7 144.9 8.1 117.2 5.2 53.3 94.0 146.5 8.0 119.2 5.4 58.6 90.6 148.1 7.8 121.3 5.5 61.3
100 119.9 139.6 10.0 105.4 4.1 54.9 113.5 141.7 9.8 108.1 4.2 59.7 110.3 143.7 9.7 110.7 4.4 62.1
120 139.2 134.4 11.9 93.7 3.3 56.6 133.0 136.8 11.7 96.9 3.4 60.8 129.9 139.2 11.5 100.1 3.6 62.8
21
60 82.0 154.2 6.3 132.7 7.2 51.0 74.8 155.3 6.2 134.2 7.4 57.2 71.2 156.5 6.1 135.8 7.5 60.3
80 101.2 148.7 8.2 120.8 5.3 52.7 94.3 150.4 8.1 122.9 5.5 58.3 90.9 152.0 7.9 125.0 5.6 61.1
100 120.5 143.3 10.1 108.8 4.2 54.5 113.8 145.4 9.9 111.5 4.3 59.4 110.5 147.4 9.7 114.3 4.4 61.8
120 139.7 137.9 12.0 96.9 3.4 56.2 133.4 140.4 11.8 100.2 3.5 60.5 130.2 142.9 11.5 103.5 3.6 62.6
28
60 82.6 158.1 6.3 136.5 7.3 50.5 75.2 159.3 6.2 138.0 7.5 56.9 71.5 160.5 6.1 139.6 7.7 60.0
80 101.8 152.6 8.3 124.4 5.4 52.2 94.7 154.2 8.1 126.5 5.6 57.9 91.1 155.9 8.0 128.7 5.7 60.8
100 121.0 147.0 10.2 112.3 4.2 54.0 114.2 149.1 10.0 115.0 4.4 59.0 110.8 151.2 9.8 117.8 4.5 61.6
120 140.2 141.4 12.1 100.2 3.4 55.7 133.7 144.0 11.9 103.5 3.6 60.1 130.5 146.6 11.6 106.9 3.7 62.4
90
14
60 84.8 173.9 6.5 151.6 7.8 68.3 76.7 175.2 6.4 153.3 8.0 75.4 72.6 176.5 6.3 155.0 8.2 78.9
80 103.9 167.6 8.4 138.8 5.8 70.2 96.1 169.4 8.3 141.2 6.0 76.6 92.2 171.2 8.1 143.5 6.2 79.7
100Operation not recommended
120
21
60 85.5 178.4 6.6 156.0 8.0 67.7 77.1 179.8 6.5 157.7 8.2 75.0 72.9 181.2 6.4 159.5 8.4 78.6
80 104.6 172.0 8.5 143.0 5.9 69.6 96.6 173.8 8.3 145.4 6.1 76.1 92.5 175.7 8.2 147.8 6.3 79.4
100 123.6 165.5 10.4 130.1 4.7 71.4 116.0 167.9 10.2 133.1 4.8 77.3 112.2 170.2 10.0 136.1 5.0 80.3
120 Operation not recommended
28
60 86.1 183.0 6.6 160.4 8.1 67.1 77.6 184.4 6.5 162.2 8.3 74.6 73.3 185.8 6.4 164.0 8.5 78.3
80 105.2 176.4 8.5 147.2 6.1 69.0 97.0 178.3 8.4 149.7 6.2 75.7 92.9 180.2 8.2 152.1 6.4 79.1
100 124.2 169.7 10.5 134.0 4.8 70.9 116.4 172.2 10.3 137.1 4.9 76.9 112.5 174.6 10.1 140.3 5.1 80.0
120 Operation not recommended
NOTE: For part load operation, divide capacity by 2.
33
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW108 Performance Data cont.Cooling
Source Load Flow - 14 GPM Load Flow - 21 GPM Load Flow - 28 GPM
EST°F
FlowGPM
ELT°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
30
14
50 32.9 119.7 4.3 134.2 28.0 49.2 38.2 124.2 4.3 138.9 28.6 49.8 40.8 128.7 4.4 143.7 29.2 50.5
70 50.2 138.5 4.7 154.6 29.4 52.1 56.3 143.7 4.8 160.1 30.1 52.9 59.4 149.0 4.9 165.5 30.7 53.6
90 67.5 157.4 5.2 175.0 30.6 55.0 74.4 163.3 5.2 181.2 31.2 55.9 77.9 169.3 5.3 187.4 31.9 56.8
110 84.8 176.3 5.6 195.4 31.5 57.9 92.6 182.9 5.7 202.3 32.2 58.9 96.5 189.6 5.8 209.2 32.9 59.9
21
50 31.8 127.4 4.1 141.3 31.3 43.5 37.4 132.4 4.1 146.6 32.0 44.0 40.2 137.4 4.2 151.8 32.7 44.5
70 48.9 147.7 4.5 163.1 32.9 45.5 55.4 153.4 4.6 169.0 33.6 46.1 58.6 159.1 4.6 174.9 34.3 46.7
90 66.0 168.0 4.9 184.8 34.2 47.6 73.4 174.4 5.0 191.4 34.9 48.2 77.1 180.8 5.1 198.1 35.7 48.9
110 83.1 188.3 5.3 206.5 35.3 49.7 91.4 195.4 5.4 213.9 36.1 50.4 95.5 202.5 5.5 221.2 36.8 51.1
28
50 30.7 135.2 3.9 148.5 34.9 40.6 36.6 140.7 3.9 154.2 35.7 41.0 39.6 146.2 4.0 159.8 36.6 41.4
70 47.6 156.9 4.3 171.5 36.7 42.3 54.5 163.1 4.3 177.9 37.5 42.7 57.9 169.3 4.4 184.3 38.4 43.2
90 64.5 178.6 4.7 194.6 38.2 43.9 72.3 185.5 4.8 201.7 39.0 44.4 76.3 192.3 4.8 208.8 39.8 44.9
110 81.4 200.3 5.1 217.7 39.4 45.5 90.2 207.9 5.2 225.5 40.3 46.1 94.6 215.4 5.2 233.3 41.1 46.7
50
14
50 34.0 111.9 5.8 131.9 19.2 68.8 38.9 116.1 5.9 136.4 19.6 69.5 41.4 120.3 6.0 140.9 20.0 70.1
70 51.3 130.8 6.3 152.2 20.9 71.7 57.1 135.7 6.4 157.4 21.3 72.5 60.0 140.6 6.5 162.7 21.7 73.2
90 68.6 149.7 6.7 172.5 22.3 74.6 75.2 155.3 6.8 178.5 22.8 75.5 78.5 160.9 6.9 184.5 23.3 76.4
110 85.9 168.5 7.1 192.8 23.6 77.5 93.3 174.9 7.2 199.6 24.2 78.5 97.1 181.2 7.4 206.3 24.7 79.5
21
50 33.0 118.9 5.6 138.0 21.3 63.1 38.2 123.6 5.7 143.0 21.8 63.6 40.8 128.2 5.8 147.9 22.3 64.1
70 50.1 139.1 6.0 159.6 23.2 65.2 56.2 144.5 6.1 165.3 23.7 65.7 59.3 149.9 6.2 171.0 24.2 66.3
90 67.2 159.3 6.4 181.2 24.9 67.3 74.2 165.4 6.5 187.6 25.4 67.9 77.8 171.5 6.6 194.0 26.0 68.5
110 84.4 179.5 6.8 202.8 26.3 69.3 92.3 186.3 6.9 209.9 26.9 70.0 96.2 193.1 7.0 217.0 27.5 70.7
28
50 32.0 125.9 5.3 144.1 23.6 60.3 37.5 131.0 5.4 149.5 24.2 60.7 40.3 136.2 5.5 154.9 24.8 61.1
70 48.9 147.5 5.7 167.0 25.8 61.9 55.4 153.3 5.8 173.1 26.4 62.4 58.6 159.1 5.9 179.2 27.0 62.8
90 65.9 169.0 6.1 189.9 27.6 63.6 73.3 175.5 6.2 196.7 28.3 64.1 77.0 182.0 6.3 203.5 28.9 64.5
110 82.8 190.6 6.5 212.8 29.3 65.2 91.2 197.8 6.6 220.3 29.9 65.7 95.4 204.9 6.7 227.8 30.6 66.3
70
14
50 35.1 104.2 7.4 129.5 14.0 88.5 39.7 108.1 7.5 133.8 14.3 89.1 42.0 112.0 7.7 138.1 14.6 89.7
70 52.4 123.0 7.8 149.8 15.7 91.4 57.8 127.7 8.0 154.8 16.0 92.1 60.5 132.3 8.1 159.9 16.4 92.8
90 69.7 141.9 8.3 170.0 17.2 94.3 76.0 147.2 8.4 175.8 17.6 95.1 79.1 152.6 8.5 181.6 17.9 95.9
110 Operation not recommended
21
50 34.2 110.4 7.1 134.7 15.5 82.8 39.1 114.7 7.2 139.4 15.9 83.3 41.5 119.1 7.3 144.1 16.3 83.7
70 51.4 130.5 7.5 156.1 17.4 84.9 57.1 135.6 7.6 161.6 17.8 85.4 60.0 140.6 7.7 167.0 18.2 85.9
90 68.5 150.7 7.9 177.6 19.1 86.9 75.1 156.4 8.0 183.8 19.5 87.5 78.4 162.1 8.1 189.9 19.9 88.1
110 Operation not recommended
28
50 33.3 116.6 6.8 139.8 17.2 80.0 38.4 121.4 6.9 144.9 17.6 80.3 41.0 126.1 7.0 150.0 18.0 80.7
70 50.3 138.0 7.2 162.5 19.3 81.6 56.3 143.5 7.3 168.3 19.7 82.0 59.4 148.9 7.4 174.1 20.1 82.4
90 67.2 159.4 7.6 185.2 21.1 83.2 74.2 165.6 7.7 191.7 21.6 83.7 77.7 171.7 7.8 198.2 22.1 84.2
110 Operation not recommended
90
14
50 36.2 96.5 9.0 127.2 10.7 108.2 40.5 100.1 9.1 131.3 11.0 108.8 42.6 103.7 9.3 135.4 11.2 109.3
70 53.5 115.3 9.4 147.4 12.3 111.1 58.6 119.6 9.5 152.2 12.5 111.7 61.1 124.0 9.7 157.0 12.8 112.4
90 70.8 134.1 9.8 167.6 13.7 113.9 76.7 139.2 10.0 173.1 14.0 114.7 79.7 144.2 10.1 178.7 14.3 115.5
110 Operation not recommended
21
50 35.4 101.9 8.6 131.3 11.8 102.5 39.9 105.9 8.8 135.8 12.1 102.9 42.2 109.9 8.9 140.2 12.4 103.4
70 52.6 121.9 9.0 152.7 13.5 104.5 57.9 126.6 9.1 157.8 13.8 105.0 60.6 131.3 9.3 163.0 14.1 105.5
90 69.7 142.0 9.4 174.0 15.1 106.6 76.0 147.4 9.5 179.9 15.5 107.1 79.1 152.8 9.7 185.8 15.8 107.7
110 Operation not recommended
28
50 34.7 107.3 8.3 135.5 13.0 99.7 39.4 111.7 8.4 140.3 13.3 100.0 41.7 116.1 8.5 145.1 13.7 100.4
70 51.6 128.6 8.6 158.0 14.9 101.3 57.3 133.6 8.8 163.5 15.3 101.7 60.1 138.7 8.9 169.0 15.6 102.1
90 68.6 149.8 9.0 180.5 16.7 102.9 75.2 155.6 9.1 186.7 17.1 103.3 78.5 161.3 9.3 192.9 17.4 103.8
110 Operation not recommended
110
14
50 37.3 88.7 10.6 124.8 8.4 127.8 41.2 92.1 10.7 128.7 8.6 128.4 43.2 95.4 10.9 132.6 8.8 128.9
70 54.6 107.6 11.0 145.0 9.8 130.7 59.4 111.6 11.1 149.6 10.0 131.4 61.7 115.7 11.3 154.2 10.2 132.0
90Operation not recommended
110
21
50 36.7 93.4 10.1 128.0 9.2 122.2 40.8 97.0 10.3 132.2 9.4 122.6 42.8 100.7 10.5 136.4 9.6 123.0
70 53.8 113.4 10.5 149.2 10.8 124.2 58.8 117.7 10.7 154.1 11.0 124.7 61.3 122.1 10.8 159.0 11.3 125.1
90Operation not recommended
110
28
50 36.0 98.1 9.7 131.1 10.1 119.4 40.3 102.0 9.9 135.6 10.4 119.7 42.4 106.0 10.0 140.1 10.6 120.0
70 53.0 119.2 10.1 153.5 11.8 121.0 58.2 123.8 10.2 158.7 12.1 121.3 60.8 128.5 10.4 163.9 12.4 121.7
90Operation not recommended
110
NOTE: For part load operation, divide capacity by 2.
34
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW120 Performance DataHeating
Load Flow - 15 GPM Load Flow - 23 GPM Load Flow - 30 GPM
EST°F
FlowGPM
ELT°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
30
23
60 75.3 114.7 7.0 90.8 4.8 17.9 70.1 115.6 6.9 92.2 4.9 22.0 67.8 116.4 6.8 93.4 5.1 23.8
80 94.7 110.1 9.8 76.7 3.3 19.8 89.7 111.3 9.6 78.6 3.4 23.2 87.5 112.4 9.4 80.3 3.5 24.6
100 114.1 105.5 12.6 62.5 2.5 21.7 109.3 107.1 12.3 65.0 2.5 24.3 107.2 108.5 12.1 67.1 2.6 25.5
120 Operation not recommended
30
60 75.7 117.4 7.0 93.4 4.9 17.5 70.3 118.4 6.9 94.8 5.0 21.8 67.9 119.2 6.8 96.0 5.1 23.6
80 95.0 112.7 9.9 79.1 3.4 19.5 89.9 114.0 9.7 81.0 3.5 23.0 87.7 115.1 9.5 82.7 3.6 24.5
100 114.4 108.0 12.7 64.7 2.5 21.4 109.5 109.6 12.4 67.2 2.6 24.2 107.4 111.1 12.2 69.4 2.7 25.4
120 Operation not recommended
50
15
60 79.9 149.3 7.5 123.7 5.8 33.5 73.1 150.5 7.4 125.3 6.0 39.1 70.1 151.6 7.3 126.8 6.1 41.5
80 99.0 142.6 10.2 107.8 4.1 35.6 92.5 144.3 10.0 110.1 4.2 40.4 89.7 145.7 9.8 112.1 4.3 42.5
100 118.1 136.0 12.9 92.0 3.1 37.7 112.0 138.1 12.6 94.9 3.2 41.7 109.3 139.9 12.4 97.5 3.3 43.5
120 137.2 129.4 15.6 76.1 2.4 39.9 131.5 131.9 15.3 79.7 2.5 43.1 128.9 134.0 15.0 82.8 2.6 44.5
23
60 80.5 153.5 7.6 127.6 5.9 33.0 73.5 154.7 7.4 129.4 6.1 38.8 70.4 155.8 7.3 130.9 6.2 41.3
80 99.6 146.6 10.3 111.5 4.2 35.1 92.9 148.3 10.1 113.9 4.3 40.1 90.0 149.8 9.9 116.0 4.4 42.3
100 118.6 139.8 13.0 95.4 3.1 37.3 112.3 141.9 12.8 98.4 3.3 41.4 109.6 143.8 12.5 101.1 3.4 43.3
120 137.7 133.0 15.7 79.3 2.5 39.4 131.8 135.6 15.4 83.0 2.6 42.8 129.2 137.8 15.1 86.2 2.7 44.3
30
60 81.0 157.1 7.6 131.1 6.0 32.5 73.8 158.4 7.5 132.9 6.2 38.4 70.6 159.5 7.4 134.4 6.3 41.0
80 100.0 150.1 10.4 114.8 4.2 34.7 93.2 151.9 10.2 117.2 4.4 39.8 90.2 153.4 10.0 119.3 4.5 42.0
100 119.1 143.2 13.1 98.4 3.2 36.9 112.6 145.3 12.8 101.5 3.3 41.2 109.8 147.2 12.6 104.2 3.4 43.1
120 138.2 136.2 15.8 82.1 2.5 39.1 132.1 138.8 15.5 85.8 2.6 42.5 129.4 141.1 15.2 89.1 2.7 44.1
70
15
60 84.9 187.0 8.1 159.4 6.8 48.7 76.4 188.5 7.9 161.4 7.0 56.0 72.7 189.9 7.8 163.2 7.1 59.1
80 103.8 178.2 10.7 141.7 4.9 51.1 95.7 180.3 10.5 144.4 5.0 57.4 92.1 182.1 10.3 146.8 5.2 60.2
100 122.6 169.4 13.3 123.9 3.7 53.5 115.0 172.0 13.1 127.4 3.9 58.9 111.6 174.3 12.8 130.5 4.0 61.3
120 141.4 160.6 15.9 106.2 3.0 55.8 134.2 163.7 15.6 110.4 3.1 60.4 131.1 166.4 15.3 114.1 3.2 62.4
23
60 85.6 192.3 8.2 164.5 6.9 48.1 76.9 193.8 8.0 166.5 7.1 55.5 73.0 195.2 7.9 168.3 7.3 58.8
80 104.4 183.2 10.8 146.4 5.0 50.5 96.1 185.3 10.6 149.2 5.1 57.0 92.5 187.2 10.4 151.7 5.3 59.9
100 123.2 174.2 13.4 128.3 3.8 52.9 115.4 176.8 13.2 131.9 3.9 58.5 111.9 179.1 12.9 135.0 4.1 61.0
120 142.0 165.1 16.1 110.3 3.0 55.3 134.6 168.3 15.7 114.6 3.1 60.0 131.4 171.1 15.5 118.4 3.2 62.1
30
60 86.2 196.9 8.2 168.9 7.0 47.5 77.3 198.5 8.1 171.0 7.2 55.1 73.3 199.9 7.9 172.8 7.4 58.5
80 105.0 187.6 10.9 150.5 5.1 49.9 96.5 189.8 10.7 153.4 5.2 56.7 92.8 191.6 10.5 155.9 5.4 59.6
100 123.8 178.3 13.5 132.2 3.9 52.4 115.7 181.0 13.3 135.8 4.0 58.2 112.2 183.4 13.0 139.0 4.1 60.7
120 142.5 169.1 16.2 113.8 3.1 54.8 135.0 172.3 15.9 118.2 3.2 59.7 131.7 175.2 15.6 122.1 3.3 61.9
90
15
60 90.0 224.8 8.7 195.2 7.6 64.0 79.7 226.6 8.5 197.6 7.8 72.8 75.2 228.2 8.4 199.6 8.0 76.7
80 108.5 213.8 11.2 175.6 5.6 66.6 98.8 216.3 11.0 178.8 5.8 74.5 94.6 218.4 10.8 181.5 5.9 77.9
100Operation not recommended
120
23
60 90.8 231.1 8.7 201.3 7.8 63.2 80.3 233.0 8.6 203.7 8.0 72.3 75.6 234.6 8.4 205.8 8.1 76.3
80 109.3 219.8 11.3 181.3 5.7 65.8 99.3 222.3 11.1 184.5 5.9 74.0 95.0 224.5 10.9 187.4 6.0 77.5
100 127.8 208.5 13.9 161.2 4.4 68.5 118.4 211.7 13.6 165.4 4.6 75.6 114.3 214.5 13.3 169.0 4.7 78.7
120 Operation not recommended
30
60 91.5 236.6 8.8 206.6 7.9 62.5 80.7 238.5 8.6 209.0 8.1 71.8 76.0 240.2 8.5 211.2 8.3 75.9
80 110.0 225.1 11.4 186.2 5.8 65.2 99.8 227.6 11.2 189.6 6.0 73.5 95.3 229.9 11.0 192.5 6.1 77.2
100 128.5 213.5 14.0 165.9 4.5 67.9 118.8 216.8 13.7 170.1 4.6 75.2 114.6 219.6 13.4 173.8 4.8 78.4
120 Operation not recommended
NOTE: For part load operation, divide capacity by 2.
35
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW120 Performance Data cont.Cooling
Source Load Flow - 15 GPM Load Flow - 23 GPM Load Flow - 30 GPM
EST°F
FlowGPM
ELT°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
30
15
50 32.0 134.6 4.9 151.4 27.4 50.2 37.8 140.0 5.0 157.1 28.1 50.9 40.3 144.8 5.1 162.0 28.6 51.6
70 47.9 165.6 5.4 184.1 30.6 54.5 55.0 172.3 5.5 191.0 31.3 55.5 58.1 178.1 5.6 197.1 32.0 56.3
90 63.8 196.6 5.9 216.8 33.3 58.9 72.2 204.5 6.0 225.0 34.1 60.0 75.9 211.4 6.1 232.2 34.7 61.0
110 79.7 227.6 6.4 249.4 35.6 63.3 89.4 236.7 6.5 258.9 36.4 64.5 93.7 244.7 6.6 267.2 37.1 65.6
23
50 30.8 144.0 4.7 159.9 30.8 43.9 37.0 150.0 4.7 166.2 31.6 44.5 39.6 155.3 4.8 171.7 32.3 44.9
70 46.4 177.4 5.1 194.9 34.5 46.9 53.9 184.7 5.2 202.5 35.3 47.6 57.3 191.0 5.3 209.1 36.0 48.2
90 61.9 210.8 5.6 229.9 37.5 50.0 70.9 219.3 5.7 238.8 38.4 50.8 74.9 226.8 5.8 246.5 39.2 51.4
110 77.4 244.1 6.1 264.9 40.1 53.0 87.9 254.0 6.2 275.1 41.0 53.9 92.5 262.5 6.3 284.0 41.8 54.7
30
50 29.7 152.2 4.5 167.4 34.1 41.2 36.2 158.7 4.5 174.2 35.0 41.6 39.0 164.5 4.6 180.2 35.8 42.0
70 45.0 187.7 4.9 204.4 38.2 43.6 53.0 195.5 5.0 212.5 39.1 44.2 56.5 202.4 5.1 219.7 39.9 44.6
90 60.2 223.1 5.4 241.5 41.6 46.1 69.8 232.3 5.5 250.9 42.6 46.7 74.0 240.2 5.5 259.1 43.4 47.3
110 75.5 258.6 5.8 278.5 44.4 48.6 86.6 269.0 5.9 289.2 45.5 49.3 91.5 278.1 6.0 298.6 46.4 49.9
50
15
50 33.3 125.4 6.5 147.6 19.3 69.7 38.7 130.4 6.6 153.0 19.7 70.4 41.0 134.8 6.7 157.7 20.1 71.0
70 49.2 156.3 7.0 180.2 22.3 74.0 55.9 162.6 7.1 186.9 22.8 74.9 58.8 168.0 7.2 192.7 23.3 75.7
90 65.0 187.2 7.5 212.8 24.9 78.4 73.1 194.7 7.6 220.7 25.5 79.4 76.6 201.3 7.7 227.6 26.0 80.4
110 80.9 218.1 8.0 245.3 27.3 82.7 90.3 226.8 8.1 254.6 27.9 83.9 94.4 234.5 8.3 262.6 28.4 85.0
23
50 32.2 133.3 6.2 154.5 21.5 63.4 37.9 138.9 6.3 160.4 22.0 64.0 40.4 143.8 6.4 165.6 22.5 64.4
70 47.8 166.3 6.7 189.1 24.9 66.4 54.9 173.2 6.8 196.3 25.5 67.1 58.1 179.1 6.9 202.6 26.0 67.6
90 63.4 199.4 7.2 223.8 27.9 69.5 72.0 207.4 7.3 232.2 28.5 70.2 75.7 214.5 7.4 239.7 29.1 70.8
110 79.0 232.4 7.6 258.4 30.5 72.5 89.0 241.7 7.8 268.1 31.2 73.3 93.3 249.9 7.9 276.7 31.8 74.1
30
50 31.3 140.3 5.9 160.5 23.6 60.7 37.3 146.3 6.0 166.9 24.2 61.1 39.9 151.6 6.1 172.5 24.8 61.5
70 46.6 175.1 6.4 196.9 27.4 63.1 54.1 182.5 6.5 204.6 28.1 63.6 57.4 188.9 6.6 211.3 28.7 64.1
90 62.0 210.0 6.9 233.4 30.7 65.6 71.0 218.6 7.0 242.3 31.4 66.2 74.9 226.1 7.1 250.2 32.0 66.7
110 77.3 244.9 7.3 269.8 33.6 68.0 87.9 254.7 7.4 280.0 34.3 68.7 92.4 263.3 7.5 289.0 35.0 69.3
70
15
50 34.5 116.2 8.1 143.9 14.3 89.2 39.5 120.8 8.2 149.0 14.7 89.9 41.7 124.9 8.4 153.5 14.9 90.5
70 50.4 147.0 8.6 176.3 17.1 93.5 56.7 152.9 8.7 182.7 17.5 94.4 59.5 158.0 8.9 188.3 17.8 95.1
90 66.3 177.7 9.1 208.8 19.5 97.8 73.9 184.9 9.3 216.4 20.0 98.9 77.3 191.1 9.4 223.1 20.4 99.7
110 Operation not recommended
23
50 33.6 122.7 7.7 149.1 15.8 83.0 38.9 127.8 7.9 154.7 16.2 83.4 41.2 132.3 8.0 159.5 16.6 83.9
70 49.3 155.3 8.2 183.3 18.9 85.9 55.9 161.7 8.4 190.2 19.4 86.5 58.8 167.3 8.5 196.2 19.7 87.1
90 64.9 187.9 8.7 217.6 21.6 88.9 73.0 195.6 8.8 225.7 22.1 89.6 76.5 202.2 9.0 232.8 22.6 90.2
110 Operation not recommended
30
50 32.9 128.3 7.4 153.7 17.3 80.2 38.4 133.9 7.5 159.6 17.8 80.6 40.8 138.8 7.7 164.9 18.1 81.0
70 48.3 162.6 7.9 189.5 20.7 82.6 55.3 169.4 8.0 196.7 21.2 83.1 58.3 175.4 8.1 203.0 21.6 83.5
90 63.7 196.9 8.3 225.3 23.6 85.0 72.2 204.9 8.5 233.8 24.2 85.6 75.9 212.0 8.6 241.2 24.7 86.1
110 Operation not recommended
90
15
50 35.7 107.0 9.7 140.1 11.0 108.7 40.3 111.3 9.9 144.9 11.3 109.3 42.3 115.0 10.0 149.2 11.5 109.9
70 51.7 137.6 10.2 172.4 13.5 113.0 57.6 143.1 10.4 178.5 13.8 113.8 60.1 148.0 10.5 183.9 14.1 114.5
90 67.6 168.3 10.7 204.8 15.7 117.3 74.8 175.0 10.9 212.2 16.1 118.3 77.9 181.0 11.0 218.6 16.4 119.1
110 Operation not recommended
23
50 35.1 112.0 9.3 143.7 12.1 102.5 39.9 116.7 9.4 148.9 12.4 102.9 41.9 120.8 9.6 153.4 12.6 103.3
70 50.8 144.3 9.8 177.5 14.8 105.4 56.9 150.2 9.9 184.0 15.2 106.0 59.6 155.4 10.1 189.7 15.5 106.5
90 66.5 176.5 10.2 211.4 17.3 108.4 74.0 183.7 10.4 219.1 17.7 109.1 77.3 189.9 10.5 225.9 18.0 109.6
110 Operation not recommended
30
50 34.5 116.4 8.9 146.8 13.1 99.8 39.4 121.5 9.0 152.3 13.4 100.2 41.6 125.9 9.2 157.2 13.7 100.5
70 50.0 150.1 9.4 182.0 16.0 102.1 56.4 156.4 9.5 188.8 16.4 102.6 59.2 161.8 9.6 194.7 16.8 103.0
90 65.5 183.8 9.8 217.2 18.7 104.5 73.4 191.2 10.0 225.3 19.2 105.0 76.8 197.8 10.1 232.3 19.6 105.5
110 Operation not recommended
110
15
50 37.0 97.7 11.3 136.3 8.6 128.2 41.2 101.7 11.5 140.9 8.8 128.8 43.0 105.1 11.7 144.9 9.0 129.3
70 52.9 128.3 11.8 168.6 10.9 132.5 58.4 133.4 12.0 174.4 11.1 133.3 60.8 138.0 12.2 179.5 11.3 133.9
90Operation not recommended
110
23
50 36.5 101.4 10.8 138.3 9.4 122.0 40.8 105.6 11.0 143.1 9.6 122.4 42.7 109.3 11.1 147.4 9.8 122.8
70 52.2 133.2 11.3 171.8 11.8 124.9 57.9 138.7 11.5 177.9 12.1 125.5 60.4 143.5 11.6 183.2 12.3 125.9
90Operation not recommended
110
30
50 36.1 104.5 10.4 139.9 10.1 119.3 40.5 109.0 10.6 145.0 10.3 119.7 42.5 113.0 10.7 149.5 10.6 120.0
70 51.7 137.6 10.8 174.5 12.7 121.6 57.5 143.3 11.0 180.9 13.0 122.1 60.1 148.3 11.2 186.4 13.3 122.4
90Operation not recommended
110
NOTE: For part load operation, divide capacity by 2.
36
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW140 Performance DataHeating
Load Flow - 18 GPM Load Flow - 27 GPM Load Flow - 36 GPM
EST°F
FlowGPM
ELT°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
30
27
60 74.7 132.5 7.7 106.2 5.0 18.2 69.9 133.5 7.6 107.7 5.2 22.0 67.5 134.6 7.4 109.2 5.3 23.9
80 94.0 126.0 10.7 89.4 3.4 20.1 89.4 127.3 10.5 91.5 3.5 23.2 87.2 128.7 10.3 93.5 3.7 24.8
100 113.3 119.4 13.7 72.6 2.6 21.9 109.0 121.1 13.5 75.2 2.6 24.4 106.8 122.9 13.2 77.8 2.7 25.7
120 Operation not recommended
36
60 75.1 135.9 7.8 109.4 5.1 17.8 70.1 137.0 7.6 110.9 5.3 21.8 67.7 138.0 7.5 112.4 5.4 23.8
80 94.4 129.2 10.8 92.4 3.5 19.7 89.7 130.6 10.6 94.5 3.6 23.0 87.3 132.0 10.4 96.5 3.7 24.6
100 113.6 122.5 13.8 75.4 2.6 21.6 109.2 124.3 13.6 78.0 2.7 24.2 107.0 126.0 13.3 80.6 2.8 25.5
120 Operation not recommended
50
18
60 78.3 165.0 8.3 136.8 5.9 34.8 72.3 166.3 8.1 138.6 6.0 39.7 69.3 167.5 8.0 140.3 6.2 42.2
80 97.5 157.3 11.2 118.9 4.1 36.8 91.8 159.0 11.0 121.3 4.2 41.0 88.9 160.7 10.8 123.7 4.3 43.1
100 116.6 149.5 14.2 101.0 3.1 38.8 111.2 151.7 14.0 104.0 3.2 42.3 108.5 153.8 13.7 107.1 3.3 44.1
120 135.8 141.8 17.2 83.1 2.4 40.8 130.7 144.4 16.9 86.8 2.5 43.6 128.2 146.9 16.5 90.5 2.6 45.0
27
60 78.8 169.3 8.3 141.0 6.0 34.3 72.6 170.6 8.2 142.7 6.1 39.4 69.6 171.9 8.0 144.5 6.3 42.0
80 97.9 161.4 11.3 122.8 4.2 36.4 92.1 163.1 11.1 125.2 4.3 40.7 89.2 164.9 10.9 127.6 4.4 42.9
100 117.1 153.5 14.3 104.6 3.1 38.4 111.5 155.7 14.1 107.7 3.2 42.0 108.8 157.8 13.8 110.8 3.4 43.8
120 136.2 145.5 17.3 86.4 2.5 40.4 131.0 148.2 17.0 90.1 2.6 43.3 128.4 150.8 16.7 93.9 2.7 44.8
36
60 79.3 173.7 8.4 145.1 6.1 33.9 73.0 175.0 8.2 146.9 6.2 39.1 69.8 176.3 8.1 148.7 6.4 41.7
80 98.4 165.5 11.4 126.6 4.3 35.9 92.4 167.3 11.2 129.1 4.4 40.4 89.4 169.1 11.0 131.6 4.5 42.7
100 117.5 157.4 14.4 108.1 3.2 38.0 111.8 159.6 14.2 111.3 3.3 41.8 109.0 161.9 13.9 114.5 3.4 43.6
120 136.6 149.3 17.5 89.6 2.5 40.0 131.3 152.0 17.1 93.5 2.6 43.1 128.6 154.7 16.8 97.3 2.7 44.6
70
18
60 82.3 200.9 8.9 170.6 6.6 51.0 75.0 202.4 8.7 172.7 6.8 57.2 71.3 203.9 8.6 174.7 7.0 60.3
80 101.3 191.8 11.9 151.3 4.7 53.2 94.4 193.8 11.6 154.1 4.9 58.6 90.9 195.9 11.4 156.9 5.0 61.3
100 120.3 182.7 14.8 132.0 3.6 55.3 113.7 185.3 14.6 135.6 3.7 60.0 110.4 187.9 14.3 139.2 3.9 62.3
120 139.3 173.6 17.8 112.8 2.9 57.5 133.1 176.7 17.5 117.1 3.0 61.3 130.0 179.9 17.1 121.4 3.1 63.3
27
60 82.9 206.2 8.9 175.7 6.8 50.5 75.4 207.7 8.8 177.8 6.9 56.8 71.6 209.3 8.6 179.8 7.1 60.0
80 101.9 196.8 11.9 156.1 4.8 52.7 94.7 198.9 11.7 158.9 5.0 58.2 91.2 201.1 11.5 161.8 5.1 61.0
100 120.8 187.5 15.0 136.5 3.7 54.8 114.1 190.2 14.7 140.1 3.8 59.6 110.7 192.8 14.4 143.7 3.9 62.0
120 139.8 178.1 18.0 116.9 2.9 57.0 133.4 181.4 17.6 121.3 3.0 61.0 130.3 184.6 17.3 125.7 3.1 63.0
36
60 83.5 211.4 9.0 180.7 6.9 49.9 75.8 213.1 8.9 182.9 7.1 56.5 71.9 214.7 8.7 185.0 7.2 59.7
80 102.4 201.9 12.0 160.8 4.9 52.1 95.1 204.0 11.8 163.7 5.1 57.9 91.5 206.2 11.6 166.6 5.2 60.7
100 121.4 192.3 15.1 140.9 3.7 54.3 114.4 195.0 14.8 144.6 3.9 59.3 111.0 197.8 14.5 148.3 4.0 61.8
120 140.3 182.7 18.1 121.0 3.0 56.6 133.8 186.0 17.7 125.5 3.1 60.7 130.5 189.3 17.4 130.0 3.2 62.8
90
18
60 86.3 236.7 9.5 204.4 7.3 67.3 77.7 238.5 9.3 206.7 7.5 74.7 73.4 240.4 9.2 209.1 7.7 78.4
80 105.1 226.3 12.5 183.7 5.3 69.6 96.9 228.7 12.2 187.0 5.5 76.2 92.8 231.2 12.0 190.2 5.6 79.4
100Operation not recommended
120
27
60 87.0 243.0 9.6 210.4 7.5 66.6 78.1 244.8 9.4 212.8 7.6 74.2 73.7 246.7 9.2 215.2 7.8 78.0
80 105.8 232.2 12.6 189.4 5.4 69.0 97.4 234.7 12.3 192.7 5.6 75.7 93.2 237.3 12.1 195.9 5.7 79.1
100 124.6 221.5 15.6 168.4 4.2 71.3 116.6 224.7 15.3 172.5 4.3 77.2 112.7 227.8 15.0 176.7 4.5 80.2
120 Operation not recommended
36
60 87.7 249.2 9.6 216.4 7.6 66.0 78.6 251.1 9.5 218.8 7.8 73.8 74.1 253.0 9.3 221.3 8.0 77.7
80 106.5 238.2 12.7 195.0 5.5 68.3 97.8 240.8 12.4 198.4 5.7 75.3 93.5 243.3 12.2 201.7 5.8 78.8
100 125.2 227.2 15.7 173.6 4.2 70.7 117.1 230.4 15.4 177.9 4.4 76.8 113.0 233.7 15.1 182.1 4.5 79.9
120 Operation not recommended
NOTE: For part load operation, divide capacity by 2.
37
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW140 Performance Data cont.Cooling
Source Load Flow - 18 GPM Load Flow - 27 GPM Load Flow - 36 GPM
EST°F
FlowGPM
ELT°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
30
18
50 33.8 145.8 5.6 164.8 26.3 48.3 38.8 151.3 5.6 170.6 26.9 49.0 41.3 156.8 5.7 176.3 27.4 49.6
70 50.0 180.4 6.1 201.2 29.7 52.4 56.1 187.2 6.2 208.3 30.3 53.1 59.2 194.0 6.3 215.4 30.9 53.9
90 66.1 215.0 6.6 237.5 32.5 56.4 73.5 223.1 6.7 246.0 33.2 57.3 77.2 231.1 6.8 254.4 33.9 58.3
110 82.3 249.5 7.2 273.9 34.9 60.4 90.8 258.9 7.3 283.7 35.7 61.5 95.1 268.3 7.4 293.5 36.4 62.6
27
50 32.7 155.3 5.3 173.4 29.3 42.8 38.0 161.4 5.4 179.8 30.0 43.3 40.7 167.5 5.5 186.1 30.7 43.8
70 48.6 192.4 5.8 212.2 33.1 45.7 55.2 199.8 5.9 219.9 33.9 46.3 58.5 207.2 6.0 227.6 34.6 46.9
90 64.5 229.5 6.3 251.0 36.3 48.6 72.4 238.2 6.4 260.1 37.1 49.3 76.3 246.9 6.5 269.1 37.9 49.9
110 80.4 266.5 6.8 289.8 39.1 51.5 89.5 276.6 6.9 300.2 39.9 52.2 94.1 286.6 7.0 310.6 40.7 53.0
36
50 31.7 164.8 5.0 182.0 32.7 40.1 37.3 171.5 5.1 189.0 33.5 40.5 40.1 178.2 5.2 195.9 34.3 40.9
70 47.3 204.4 5.5 223.3 37.0 42.4 54.3 212.4 5.6 231.6 37.8 42.9 57.8 220.4 5.7 239.9 38.7 43.3
90 62.9 244.0 6.0 264.5 40.6 44.7 71.2 253.3 6.1 274.2 41.5 45.2 75.4 262.7 6.2 283.8 42.4 45.8
110 78.5 283.6 6.5 305.7 43.6 47.0 88.2 294.2 6.6 316.7 44.6 47.6 93.1 304.9 6.7 327.8 45.5 48.2
50
18
50 34.8 136.8 7.2 161.5 18.9 67.9 39.5 141.9 7.3 167.0 19.3 68.6 41.8 147.1 7.5 172.5 19.7 69.2
70 50.9 171.5 7.8 198.0 22.1 72.0 56.8 177.9 7.9 204.8 22.6 72.8 59.8 184.4 8.0 211.7 23.0 73.5
90 67.1 206.1 8.3 234.5 24.8 76.1 74.2 213.9 8.4 242.7 25.3 77.0 77.7 221.6 8.6 250.9 25.9 77.9
110 83.2 240.8 8.9 271.0 27.2 80.1 91.5 249.8 9.0 280.5 27.8 81.2 95.6 258.9 9.1 290.0 28.4 82.2
27
50 33.9 144.9 6.9 168.5 21.0 62.5 38.8 150.5 7.0 174.5 21.4 62.9 41.3 156.2 7.1 180.5 21.9 63.4
70 49.8 181.8 7.4 207.1 24.5 65.3 56.0 188.8 7.5 214.5 25.0 65.9 59.1 195.7 7.7 221.9 25.6 66.4
90 65.7 218.7 8.0 245.8 27.5 68.2 73.2 227.0 8.1 254.5 28.1 68.9 76.9 235.3 8.2 263.2 28.7 69.5
110 81.6 255.5 8.5 284.4 30.2 71.1 90.4 265.2 8.6 294.5 30.9 71.8 94.7 274.8 8.7 304.6 31.5 72.6
36
50 33.0 152.9 6.6 175.5 23.2 59.7 38.2 159.1 6.7 182.0 23.8 60.1 40.8 165.4 6.8 188.6 24.3 60.5
70 48.7 192.1 7.1 216.3 27.1 62.0 55.2 199.6 7.2 224.2 27.7 62.5 58.5 207.1 7.3 232.1 28.3 62.9
90 64.3 231.2 7.6 257.1 30.5 64.3 72.2 240.1 7.7 266.3 31.2 64.8 76.2 248.9 7.8 275.6 31.8 65.3
110 80.0 270.3 8.1 297.9 33.5 66.5 89.2 280.5 8.2 308.5 34.2 67.1 93.9 290.7 8.3 319.1 34.9 67.7
70
18
50 35.8 127.8 8.9 158.1 14.3 87.6 40.2 132.6 9.0 163.4 14.7 88.2 42.4 137.4 9.2 168.7 15.0 88.7
70 51.9 162.5 9.5 194.8 17.2 91.6 57.5 168.6 9.6 201.4 17.6 92.4 60.3 174.7 9.8 208.0 17.9 93.1
90 68.1 197.3 10.0 231.4 19.7 95.7 74.8 204.7 10.2 239.3 20.1 96.6 78.2 212.1 10.3 247.3 20.6 97.5
110 Operation not recommended
27
50 35.1 134.4 8.5 163.5 15.8 82.1 39.7 139.7 8.7 169.2 16.1 82.5 41.9 144.9 8.8 174.9 16.5 83.0
70 51.0 171.1 9.1 202.0 18.9 85.0 56.8 177.7 9.2 209.1 19.3 85.5 59.8 184.3 9.3 216.1 19.7 86.0
90 66.9 207.8 9.6 240.5 21.7 87.8 74.0 215.7 9.7 248.9 22.2 88.4 77.6 223.6 9.9 257.3 22.6 89.1
110 Operation not recommended
36
50 34.3 141.1 8.2 168.9 17.3 79.4 39.1 146.8 8.3 175.0 17.7 79.7 41.5 152.5 8.4 181.2 18.2 80.1
70 50.0 179.7 8.7 209.3 20.8 81.6 56.2 186.8 8.8 216.7 21.3 82.0 59.2 193.8 8.9 224.2 21.7 82.5
90 65.7 218.4 9.2 249.6 23.9 83.9 73.2 226.8 9.3 258.5 24.4 84.4 76.9 235.1 9.4 267.3 24.9 84.9
110 Operation not recommended
90
18
50 36.8 118.7 10.6 154.8 11.2 107.2 40.9 123.2 10.7 159.9 11.5 107.8 42.9 127.6 10.9 164.9 11.7 108.3
70 52.9 153.6 11.1 191.6 13.8 111.3 58.2 159.3 11.3 197.9 14.1 112.0 60.8 165.1 11.5 204.3 14.4 112.7
90 69.1 188.4 11.7 228.3 16.1 115.4 75.5 195.5 11.9 236.0 16.5 116.2 78.7 202.6 12.1 243.7 16.8 117.1
110 Operation not recommended
27
50 36.2 123.9 10.1 158.6 12.2 101.7 40.5 128.8 10.3 163.9 12.5 102.1 42.6 133.6 10.5 169.3 12.8 102.5
70 52.2 160.5 10.7 196.9 15.0 104.6 57.7 166.6 10.8 203.6 15.4 105.1 60.4 172.8 11.0 210.4 15.7 105.6
90 68.1 197.0 11.2 235.3 17.6 107.4 74.9 204.5 11.4 243.3 18.0 108.0 78.2 212.0 11.6 251.4 18.3 108.6
110 Operation not recommended
36
50 35.6 129.2 9.7 162.3 13.3 99.0 40.0 134.4 9.9 168.0 13.6 99.3 42.2 139.7 10.0 173.8 14.0 99.7
70 51.4 167.4 10.2 202.2 16.4 101.2 57.1 174.0 10.4 209.3 16.8 101.6 60.0 180.5 10.5 216.4 17.2 102.0
90 67.2 205.6 10.7 242.2 19.2 103.5 74.2 213.5 10.9 250.6 19.6 103.9 77.7 221.4 11.1 259.1 20.0 104.4
110 Operation not recommended
110
18
50 37.8 109.7 12.3 151.5 8.9 126.8 41.6 113.8 12.5 156.3 9.1 127.4 43.4 117.9 12.6 161.1 9.3 127.9
70 53.9 144.6 12.8 188.4 11.3 130.9 58.9 150.1 13.0 194.5 11.5 131.6 61.4 155.5 13.2 200.6 11.8 132.3
90Operation not recommended
110
27
50 37.4 113.5 11.8 153.6 9.7 121.4 41.3 117.9 11.9 158.7 9.9 121.8 43.2 122.4 12.1 163.7 10.1 122.1
70 53.4 149.8 12.3 191.8 12.2 124.2 58.5 155.6 12.5 198.2 12.5 124.7 61.0 161.3 12.7 204.6 12.7 125.2
90Operation not recommended
110
36
50 37.0 117.3 11.3 155.7 10.4 118.6 41.0 122.0 11.4 161.0 10.7 118.9 43.0 126.8 11.6 166.4 10.9 119.2
70 52.8 155.1 11.8 195.2 13.2 120.8 58.1 161.1 12.0 201.9 13.5 121.2 60.7 167.2 12.1 208.6 13.8 121.6
90Operation not recommended
110
NOTE: For part load operation, divide capacity by 2.
38
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW180 Performance DataHeating
Load Flow - 23 GPM Load Flow - 34 GPM Load Flow - 45 GPM
EST°F
FlowGPM
ELT°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
30
34
60 73.9 159.4 9.0 128.6 5.2 18.8 69.4 160.6 8.9 130.3 5.3 22.3 67.2 161.9 8.7 132.0 5.4 24.1
80 93.1 150.2 12.4 107.9 3.6 20.6 88.9 151.8 12.2 110.3 3.7 23.5 86.8 153.4 11.9 112.7 3.8 25.0
100 112.3 141.0 15.7 87.2 2.6 22.4 108.4 143.0 15.4 90.2 2.7 24.7 106.4 145.0 15.2 93.3 2.8 25.9
120 Operation not recommended
45
60 74.2 163.5 9.1 132.4 5.3 18.5 69.7 164.8 9.0 134.2 5.4 22.1 67.4 166.0 8.8 136.0 5.5 24.0
80 93.4 154.0 12.5 111.4 3.6 20.3 89.2 155.7 12.3 113.9 3.7 23.3 87.0 157.3 12.0 116.3 3.8 24.8
100 112.6 144.6 15.9 90.4 2.7 22.1 108.6 146.6 15.6 93.5 2.8 24.5 106.6 148.7 15.3 96.6 2.9 25.7
120 Operation not recommended
50
23
60 76.7 191.9 9.7 159.0 5.8 36.2 71.4 193.4 9.5 161.0 6.0 40.5 68.7 194.8 9.3 163.0 6.1 42.8
80 95.8 181.5 12.9 137.4 4.1 38.0 90.8 183.5 12.7 140.2 4.2 41.8 88.2 185.4 12.5 142.9 4.4 43.6
100 114.9 171.1 16.2 115.9 3.1 39.9 110.2 173.6 15.9 119.3 3.2 43.0 107.8 176.0 15.6 122.8 3.3 44.5
120 134.0 160.7 19.5 94.3 2.4 41.8 129.6 163.7 19.1 98.5 2.5 44.2 127.4 166.6 18.7 102.7 2.6 45.4
34
60 77.1 197.0 9.7 163.8 5.9 35.8 71.7 198.5 9.6 165.9 6.1 40.2 68.9 200.0 9.4 167.9 6.2 42.5
80 96.2 186.3 13.0 141.9 4.2 37.7 91.1 188.3 12.8 144.7 4.3 41.5 88.5 190.3 12.5 147.5 4.4 43.4
100 115.3 175.6 16.3 120.0 3.2 39.6 110.5 178.1 16.0 123.5 3.3 42.7 108.0 180.6 15.7 127.0 3.4 44.4
120 134.3 165.0 19.6 98.1 2.5 41.5 129.9 168.0 19.2 102.3 2.6 44.0 127.6 171.0 18.9 106.6 2.7 45.3
45
60 77.6 202.0 9.8 168.6 6.0 35.3 72.0 203.6 9.6 170.7 6.2 40.0 69.1 205.1 9.5 172.8 6.3 42.3
80 96.6 191.1 13.1 146.3 4.3 37.3 91.4 193.1 12.9 149.2 4.4 41.2 88.7 195.2 12.6 152.0 4.5 43.2
100 115.7 180.1 16.4 124.0 3.2 39.2 110.7 182.7 16.1 127.7 3.3 42.5 108.2 185.3 15.8 131.3 3.4 44.2
120 134.7 169.2 19.8 101.8 2.5 41.1 130.1 172.3 19.4 106.1 2.6 43.8 127.8 175.3 19.0 110.5 2.7 45.1
70
23
60 79.9 228.5 10.3 193.3 6.5 53.2 73.5 230.3 10.2 195.6 6.6 58.5 70.3 232.0 10.0 197.9 6.8 61.2
80 98.8 216.7 13.5 170.5 4.7 55.2 92.9 219.0 13.3 173.7 4.8 59.8 89.8 221.4 13.1 176.8 5.0 62.1
100 117.8 204.9 16.8 147.7 3.6 57.2 112.2 207.8 16.4 151.7 3.7 61.1 109.4 210.8 16.1 155.7 3.8 63.1
120 136.8 193.1 20.0 125.0 2.8 59.1 131.6 196.6 19.6 129.8 2.9 62.4 128.9 200.1 19.2 134.6 3.1 64.0
34
60 80.4 234.5 10.4 199.0 6.6 52.7 73.9 236.3 10.2 201.4 6.8 58.2 70.6 238.1 10.1 203.8 6.9 60.9
80 99.3 222.4 13.6 175.8 4.8 54.7 93.2 224.8 13.4 179.1 4.9 59.5 90.1 227.2 13.2 182.3 5.1 61.9
100 118.3 210.3 16.9 152.7 3.6 56.7 112.5 213.3 16.6 156.8 3.8 60.8 109.6 216.3 16.3 160.8 3.9 62.9
120 137.2 198.2 20.1 129.5 2.9 58.7 131.9 201.8 19.7 134.4 3.0 62.1 129.1 205.4 19.4 139.4 3.1 63.8
45
60 80.9 240.5 10.5 204.8 6.7 52.2 74.3 242.4 10.3 207.2 6.9 57.8 70.9 244.2 10.1 209.6 7.1 60.7
80 99.8 228.1 13.8 181.2 4.9 54.2 93.6 230.6 13.5 184.5 5.0 59.1 90.4 233.0 13.3 187.8 5.2 61.7
100 118.8 215.7 17.0 157.6 3.7 56.3 112.9 218.8 16.7 161.8 3.8 60.5 109.9 221.8 16.4 166.0 4.0 62.6
120 137.7 203.3 20.3 134.1 2.9 58.3 132.2 207.0 19.9 139.1 3.0 61.8 129.4 210.7 19.5 144.1 3.2 63.6
90
23
60 83.1 265.1 11.0 227.5 7.1 70.2 75.7 267.1 10.8 230.2 7.2 76.5 72.0 269.1 10.6 232.8 7.4 79.7
80 101.9 251.9 14.2 203.6 5.2 72.3 95.0 254.6 13.9 207.1 5.4 77.8 91.4 257.3 13.7 210.7 5.5 80.6
100Operation not recommended
120
34
60 83.7 272.1 11.1 234.2 7.2 69.6 76.1 274.1 10.9 236.9 7.4 76.1 72.3 276.2 10.7 239.6 7.6 79.3
80 102.5 258.5 14.3 209.8 5.3 71.8 95.4 261.3 14.0 213.5 5.5 77.4 91.7 264.1 13.8 217.1 5.6 80.3
100 121.3 245.0 17.5 185.4 4.1 73.9 114.6 248.5 17.1 190.0 4.3 78.8 111.2 252.0 16.8 194.6 4.4 81.3
120 Operation not recommended
45
60 84.3 279.1 11.2 240.9 7.3 69.1 76.5 281.2 11.0 243.7 7.5 75.7 72.6 283.3 10.8 246.5 7.7 79.0
80 103.1 265.2 14.4 216.1 5.4 71.2 95.8 268.0 14.1 219.8 5.6 77.1 92.0 270.9 13.9 223.6 5.7 80.1
100 121.9 251.3 17.6 191.3 4.2 73.4 115.0 254.9 17.3 196.0 4.3 78.5 111.5 258.4 16.9 200.7 4.5 81.1
120 Operation not recommended
NOTE: For part load operation, divide capacity by 2.
39
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW180 Performance Data cont.Cooling
Source Load Flow - 23 GPM Load Flow - 34 GPM Load Flow - 45 GPM
EST°F
FlowGPM
ELT°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLTºF
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
30
23
50 35.4 168.2 6.4 190.0 26.3 46.5 39.7 174.5 6.5 196.7 26.8 47.1 42.0 180.8 6.6 203.4 27.4 47.7
70 51.7 210.1 7.2 234.4 29.4 50.4 57.2 218.0 7.3 242.7 30.0 51.1 60.0 225.9 7.4 251.0 30.6 51.8
90 68.1 251.9 7.9 278.9 31.9 54.2 74.6 261.4 8.0 288.8 32.6 55.1 78.0 270.9 8.1 298.7 33.3 56.0
110 84.5 293.8 8.6 323.3 34.0 58.1 92.1 304.9 8.8 334.8 34.7 59.1 96.0 315.9 8.9 346.3 35.5 60.1
34
50 34.4 179.1 6.1 200.0 29.3 41.8 39.0 186.2 6.2 207.3 30.0 42.2 41.4 193.2 6.3 214.7 30.7 42.6
70 50.5 224.0 6.8 247.3 32.8 44.5 56.3 232.7 6.9 256.3 33.6 45.1 59.3 241.3 7.0 265.3 34.3 45.6
90 66.6 268.9 7.5 294.7 35.7 47.3 73.6 279.1 7.7 305.3 36.5 48.0 77.1 289.4 7.8 315.9 37.2 48.6
110 82.7 313.8 8.2 342.0 38.0 50.1 90.8 325.6 8.4 354.2 38.9 50.8 95.0 337.5 8.5 366.5 39.7 51.6
45
50 33.5 190.1 5.8 209.9 32.7 39.3 38.4 197.8 5.9 218.0 33.5 39.7 40.9 205.5 6.0 226.0 34.3 40.0
70 49.3 238.0 6.5 260.2 36.6 41.6 55.5 247.3 6.6 269.9 37.5 42.0 58.6 256.7 6.7 279.5 38.3 42.4
90 65.1 285.9 7.2 310.4 39.8 43.8 72.5 296.9 7.3 321.8 40.7 44.3 76.3 307.8 7.4 333.1 41.6 44.8
110 81.0 333.9 7.9 360.7 42.5 46.0 89.6 346.4 8.0 373.7 43.4 46.6 94.0 359.0 8.1 386.6 44.3 47.2
50
23
50 36.4 156.0 8.7 185.8 17.9 66.2 40.5 161.9 8.9 192.2 18.2 66.7 42.5 167.8 9.0 198.5 18.6 67.3
70 52.7 198.9 9.5 231.3 20.9 70.1 57.9 206.4 9.7 239.3 21.4 70.8 60.5 213.8 9.8 247.3 21.8 71.5
90 69.0 241.7 10.3 276.8 23.5 74.1 75.2 250.8 10.4 286.5 24.0 74.9 78.4 259.9 10.6 296.1 24.5 75.7
110 85.3 284.6 11.1 322.3 25.7 78.0 92.6 295.3 11.2 333.6 26.3 79.0 96.4 306.0 11.4 344.9 26.9 80.0
34
50 35.6 165.3 8.4 193.8 19.8 61.4 39.9 171.7 8.5 200.7 20.2 61.8 42.1 178.2 8.6 207.6 20.7 62.2
70 51.7 210.9 9.1 241.9 23.2 64.2 57.1 219.0 9.2 250.5 23.7 64.7 59.9 227.1 9.4 259.1 24.2 65.2
90 67.7 256.4 9.8 290.0 26.1 67.1 74.3 266.2 10.0 300.3 26.7 67.7 77.7 275.9 10.1 310.5 27.2 68.3
110 83.7 302.0 10.6 338.1 28.6 69.9 91.6 313.4 10.7 350.0 29.2 70.6 95.6 324.8 10.9 362.0 29.8 71.3
45
50 34.8 174.5 8.0 201.7 21.9 59.0 39.3 181.6 8.1 209.2 22.4 59.3 41.6 188.7 8.2 216.7 22.9 59.6
70 50.6 222.8 8.7 252.5 25.7 61.2 56.4 231.6 8.8 261.6 26.3 61.6 59.3 240.3 9.0 270.8 26.8 62.0
90 66.4 271.2 9.4 303.2 28.9 63.5 73.4 281.5 9.5 314.1 29.5 64.0 77.0 291.9 9.7 324.9 30.2 64.4
110 82.2 319.5 10.1 353.9 31.7 65.7 90.5 331.5 10.2 366.5 32.4 66.3 94.7 343.5 10.4 379.0 33.0 66.8
70
23
50 37.5 143.9 11.1 181.7 13.0 85.8 41.2 149.3 11.2 187.7 13.3 86.3 43.1 154.7 11.4 193.6 13.5 86.8
70 53.7 187.7 11.9 228.2 15.8 89.8 58.5 194.8 12.1 235.9 16.2 90.5 61.0 201.8 12.2 243.6 16.5 91.2
90 69.9 231.5 12.7 274.8 18.3 93.9 75.9 240.3 12.9 284.2 18.7 94.7 78.9 249.0 13.1 293.5 19.1 95.5
110 Operation not recommended
34
50 36.8 151.4 10.6 187.6 14.3 81.0 40.7 157.3 10.8 194.1 14.6 81.4 42.7 163.3 10.9 200.6 14.9 81.8
70 52.8 197.7 11.4 236.5 17.4 83.9 57.9 205.3 11.5 244.7 17.8 84.4 60.5 212.9 11.7 252.9 18.2 84.9
90 68.8 244.0 12.1 285.4 20.1 86.8 75.1 253.2 12.3 295.2 20.6 87.4 78.3 262.5 12.5 305.1 21.0 87.9
110 Operation not recommended
45
50 36.2 159.0 10.1 193.5 15.7 78.6 40.3 165.4 10.3 200.5 16.1 78.9 42.4 171.9 10.5 207.5 16.4 79.2
70 51.9 207.7 10.9 244.7 19.1 80.9 57.3 215.8 11.0 253.4 19.6 81.3 60.0 223.9 11.2 262.1 20.0 81.7
90 67.7 256.4 11.6 295.9 22.1 83.2 74.3 266.2 11.8 306.3 22.6 83.6 77.7 276.0 12.0 316.8 23.1 84.1
110 Operation not recommended
90
23
50 38.5 131.7 13.4 177.5 9.8 105.4 42.0 136.6 13.6 183.1 10.0 105.9 43.7 141.6 13.8 188.8 10.2 106.4
70 54.7 176.5 14.2 225.1 12.4 109.6 59.2 183.2 14.5 232.5 12.7 110.2 61.6 189.8 14.7 239.9 12.9 110.9
90 70.8 221.3 15.1 272.7 14.7 113.7 76.5 229.7 15.3 281.8 15.0 114.5 79.4 238.0 15.5 291.0 15.3 115.3
110 Operation not recommended
34
50 38.0 137.5 12.9 181.4 10.7 100.7 41.6 142.9 13.1 187.5 10.9 101.0 43.4 148.3 13.3 193.5 11.2 101.4
70 54.0 184.5 13.6 231.1 13.5 103.6 58.7 191.6 13.9 238.9 13.8 104.1 61.2 198.7 14.1 246.7 14.1 104.5
90 69.9 231.5 14.4 280.7 16.0 106.5 75.9 240.3 14.7 290.2 16.4 107.1 78.9 249.0 14.9 299.8 16.7 107.6
110 Operation not recommended
45
50 37.5 143.4 12.3 185.3 11.7 98.2 41.2 149.2 12.5 191.8 12.0 98.5 43.1 155.0 12.7 198.3 12.2 98.8
70 53.3 192.5 13.1 237.0 14.8 100.5 58.2 200.0 13.3 245.2 15.1 100.9 60.8 207.5 13.5 253.4 15.4 101.3
90 69.0 241.6 13.8 288.7 17.5 102.8 75.2 250.8 14.0 298.6 17.9 103.3 78.4 260.1 14.2 308.6 18.3 103.7
110 Operation not recommended
110
23
50 39.6 119.5 15.8 173.3 7.6 125.1 42.7 124.0 16.0 178.6 7.8 125.5 44.3 128.5 16.2 183.9 7.9 126.0
70 55.6 165.3 16.6 222.0 10.0 129.3 59.9 171.6 16.9 229.1 10.2 129.9 62.1 177.8 17.1 236.2 10.4 130.5
90Operation not recommended
110
34
50 39.2 123.7 15.1 175.2 8.2 120.3 42.4 128.5 15.3 180.9 8.4 120.6 44.1 133.4 15.6 186.5 8.6 121.0
70 55.1 171.3 15.9 225.6 10.8 123.3 59.5 177.9 16.2 233.0 11.0 123.7 61.8 184.5 16.4 240.5 11.2 124.1
90Operation not recommended
110
45
50 38.9 127.8 14.5 177.1 8.8 117.9 42.2 133.0 14.7 183.1 9.1 118.1 43.9 138.2 14.9 189.0 9.3 118.4
70 54.6 177.3 15.2 229.3 11.6 120.2 59.2 184.2 15.5 237.0 11.9 120.5 61.5 191.2 15.7 244.7 12.2 120.9
90Operation not recommended
110
NOTE: For part load operation, divide capacity by 2.
40
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW210 Performance DataHeating
Load Flow - 26 GPM Load Flow - 39 GPM Load Flow - 52 GPM
EST°F
FlowGPM
ELT°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
30
39
60 73.7 177.5 10.1 142.9 5.1 19.0 69.2 178.8 10.0 144.8 5.3 22.6 66.9 180.2 9.8 146.7 5.4 24.4
80 92.9 167.6 13.4 121.9 3.7 20.6 88.7 169.4 13.1 124.6 3.8 23.6 86.6 171.2 12.9 127.2 3.9 25.1
100 112.1 157.6 16.6 101.0 2.8 22.2 108.2 159.9 16.3 104.3 2.9 24.7 106.2 162.1 16.0 107.6 3.0 25.9
120 Operation not recommended
52
60 74.0 182.0 10.2 147.2 5.2 18.7 69.4 183.4 10.1 149.1 5.3 22.4 67.1 184.8 9.9 151.1 5.5 24.2
80 93.2 171.9 13.5 125.9 3.7 20.3 88.9 173.7 13.2 128.6 3.8 23.4 86.8 175.5 13.0 131.2 4.0 25.0
100 112.4 161.7 16.7 104.6 2.8 22.0 108.4 164.0 16.4 108.0 2.9 24.5 106.4 166.3 16.1 111.4 3.0 25.7
120 Operation not recommended
50
26
60 77.6 228.6 11.1 190.7 6.0 35.3 71.8 230.3 10.9 193.1 6.2 40.1 68.9 232.0 10.7 195.5 6.3 42.5
80 96.6 215.8 14.4 166.6 4.4 37.2 91.2 218.1 14.2 169.8 4.5 41.3 88.5 220.4 13.9 173.0 4.7 43.3
100 115.6 203.0 17.7 142.6 3.4 39.0 110.6 205.9 17.4 146.6 3.5 42.5 108.0 208.8 17.1 150.6 3.6 44.2
120 134.6 190.3 21.0 118.5 2.7 40.9 129.9 193.7 20.6 123.3 2.8 43.7 127.6 197.2 20.2 128.2 2.9 45.1
39
60 78.0 234.6 11.2 196.4 6.1 34.9 72.1 236.4 11.0 198.9 6.3 39.8 69.2 238.2 10.8 201.3 6.5 42.3
80 97.0 221.5 14.5 171.9 4.5 36.8 91.5 223.9 14.3 175.2 4.6 41.0 88.7 226.2 14.0 178.5 4.7 43.1
100 116.0 208.4 17.9 147.5 3.4 38.7 110.8 211.3 17.5 151.6 3.5 42.2 108.2 214.3 17.2 155.7 3.7 44.0
120 135.0 195.3 21.2 123.0 2.7 40.5 130.2 198.8 20.8 127.9 2.8 43.4 127.8 202.4 20.4 132.8 2.9 44.9
52
60 78.5 240.6 11.3 202.2 6.3 34.4 72.4 242.4 11.1 204.6 6.4 39.5 69.4 244.3 10.9 207.1 6.6 42.0
80 97.5 227.2 14.6 177.2 4.6 36.4 91.8 229.6 14.4 180.6 4.7 40.7 88.9 232.0 14.1 183.9 4.8 42.9
100 116.4 213.7 18.0 152.3 3.5 38.3 111.1 216.8 17.7 156.5 3.6 42.0 108.5 219.8 17.3 160.7 3.7 43.8
120 135.4 200.3 21.4 127.4 2.7 40.2 130.5 203.9 20.9 132.5 2.9 43.2 128.0 207.6 20.5 137.5 3.0 44.7
70
26
60 81.9 284.2 12.1 242.8 6.9 51.3 74.7 286.4 11.9 245.7 7.0 57.4 71.1 288.5 11.7 248.5 7.2 60.4
80 100.6 268.3 15.5 215.3 5.1 53.4 93.9 271.2 15.3 219.1 5.2 58.8 90.5 274.1 15.0 222.9 5.4 61.4
100 119.4 252.5 19.0 187.7 3.9 55.6 113.1 256.1 18.6 192.5 4.0 60.1 110.0 259.7 18.3 197.3 4.2 62.4
120 138.2 236.6 22.4 160.2 3.1 57.7 132.4 240.9 22.0 166.0 3.2 61.5 129.4 245.2 21.5 171.7 3.3 63.4
39
60 82.4 291.7 12.2 250.0 7.0 50.8 75.1 293.9 12.0 252.9 7.2 57.0 71.4 296.1 11.8 255.8 7.4 60.2
80 101.2 275.4 15.7 221.9 5.2 52.9 94.3 278.3 15.4 225.9 5.3 58.4 90.8 281.3 15.1 229.8 5.5 61.2
100 119.9 259.1 19.1 193.9 4.0 55.1 113.5 262.8 18.8 198.8 4.1 59.8 110.2 266.5 18.4 203.7 4.2 62.2
120 138.7 242.9 22.6 165.9 3.2 57.2 132.7 247.3 22.1 171.7 3.3 61.2 129.7 251.7 21.7 177.6 3.4 63.2
52
60 83.0 299.1 12.3 257.1 7.1 50.2 75.5 301.4 12.1 260.1 7.3 56.7 71.7 303.7 11.9 263.1 7.5 59.9
80 101.7 282.5 15.8 228.6 5.2 52.4 94.6 285.5 15.5 232.6 5.4 58.1 91.1 288.5 15.2 236.6 5.6 60.9
100 120.4 265.8 19.3 200.1 4.0 54.6 113.8 269.6 18.9 205.1 4.2 59.5 110.5 273.3 18.5 210.1 4.3 61.9
120 139.2 249.1 22.7 171.5 3.2 56.8 133.0 253.6 22.3 177.5 3.3 60.9 129.9 258.1 21.9 183.5 3.5 62.9
90
26
60 86.1 339.8 13.2 294.9 7.6 67.3 77.6 342.4 12.9 298.3 7.8 74.7 73.3 345.0 12.7 301.6 8.0 78.4
80 104.7 320.9 16.7 263.9 5.6 69.7 96.6 324.3 16.4 268.4 5.8 76.2 92.6 327.7 16.1 272.9 6.0 79.5
100Operation not recommended
120
39
60 86.8 348.8 13.3 303.5 7.7 66.7 78.0 351.4 13.0 307.0 7.9 74.3 73.6 354.1 12.8 310.4 8.1 78.1
80 105.3 329.3 16.8 271.9 5.7 69.1 97.1 332.8 16.5 276.5 5.9 75.8 92.9 336.4 16.2 281.1 6.1 79.2
100 123.8 309.9 20.4 240.3 4.5 71.5 116.1 314.3 20.0 246.0 4.6 77.4 112.3 318.7 19.6 251.7 4.8 80.3
120 Operation not recommended
52
60 87.5 357.7 13.4 312.1 7.9 66.0 78.5 360.4 13.1 315.6 8.0 73.8 74.0 363.1 12.9 319.1 8.3 77.7
80 106.0 337.8 16.9 279.9 5.8 68.5 97.5 341.4 16.6 284.6 6.0 75.4 93.3 345.0 16.3 289.3 6.2 78.9
100 124.4 317.8 20.5 247.8 4.5 70.9 116.5 322.3 20.2 253.6 4.7 77.0 112.6 326.8 19.8 259.4 4.8 80.0
120 Operation not recommended
NOTE: For part load operation, divide capacity by 2.
41
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW210 Performance Data cont.Cooling
Source Load Flow - 26 GPM Load Flow - 39 GPM Load Flow - 52 GPM
EST°F
FlowGPM
ELT°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
30
26
50 33.7 212.5 8.4 241.3 25.2 48.6 38.7 220.5 8.6 249.7 25.8 49.2 41.2 228.5 8.7 258.2 26.3 49.9
70 50.1 258.3 9.4 290.3 27.5 52.3 56.3 268.0 9.5 300.5 28.1 53.1 59.3 277.7 9.7 310.7 28.7 53.9
90 66.6 304.0 10.3 339.3 29.4 56.1 73.8 315.4 10.5 351.3 30.0 57.0 77.4 326.9 10.7 363.3 30.6 57.9
110 83.1 349.7 11.3 388.3 30.9 59.9 91.4 362.9 11.5 402.1 31.6 60.9 95.5 376.0 11.7 415.8 32.2 62.0
39
50 32.6 226.4 8.0 253.8 28.1 43.0 37.9 235.2 8.2 263.1 28.8 43.5 40.6 244.1 8.3 272.4 29.4 44.0
70 48.8 275.4 9.0 306.0 30.7 45.7 55.3 286.0 9.1 317.1 31.4 46.3 58.6 296.6 9.2 328.2 32.1 46.8
90 65.0 324.5 9.9 358.2 32.8 48.4 72.7 336.8 10.0 371.0 33.6 49.0 76.6 349.1 10.2 383.9 34.3 49.7
110 81.3 373.5 10.8 410.4 34.6 51.0 90.1 387.6 11.0 425.0 35.4 51.8 94.6 401.7 11.1 439.6 36.1 52.5
52
50 31.5 240.2 7.7 266.4 31.3 40.2 37.2 250.0 7.8 276.5 32.1 40.6 40.0 259.7 7.9 286.7 32.9 41.0
70 47.5 292.6 8.5 321.7 34.3 42.4 54.4 304.1 8.7 333.7 35.1 42.8 57.9 315.6 8.8 345.6 35.9 43.3
90 63.5 345.0 9.4 377.1 36.7 44.5 71.6 358.2 9.6 390.8 37.5 45.0 75.7 371.4 9.7 404.5 38.3 45.6
110 79.4 397.4 10.3 432.5 38.6 46.6 88.9 412.3 10.4 448.0 39.5 47.2 93.6 427.3 10.6 463.5 40.3 47.8
50
26
50 34.9 196.2 11.0 233.7 17.8 68.0 39.6 203.6 11.2 241.7 18.2 68.6 41.9 210.9 11.3 249.6 18.6 69.2
70 51.3 242.6 12.0 283.7 20.2 71.8 57.1 251.7 12.2 293.5 20.6 72.6 60.0 260.9 12.4 303.2 21.0 73.3
90 67.8 289.1 13.1 333.7 22.1 75.7 74.6 299.9 13.3 345.2 22.6 76.6 78.0 310.8 13.5 356.8 23.1 77.4
110 84.2 335.5 14.1 383.7 23.8 79.5 92.1 348.1 14.3 397.0 24.3 80.5 96.1 360.8 14.5 410.4 24.8 81.6
39
50 34.0 208.5 10.5 244.4 19.8 62.5 38.9 216.7 10.7 253.1 20.3 63.0 41.4 224.8 10.8 261.8 20.7 63.4
70 50.1 258.1 11.5 297.4 22.4 65.3 56.3 268.1 11.7 308.0 22.9 65.8 59.3 278.0 11.9 318.5 23.4 66.3
90 66.3 307.8 12.5 350.5 24.6 68.0 73.6 319.5 12.7 362.8 25.2 68.6 77.3 331.2 12.9 375.2 25.7 69.2
110 82.5 357.5 13.5 403.5 26.5 70.7 91.0 370.9 13.7 417.7 27.1 71.4 95.2 384.4 13.9 431.8 27.6 72.1
52
50 33.0 220.8 10.0 255.1 22.0 59.8 38.2 229.7 10.2 264.5 22.5 60.2 40.8 238.7 10.4 274.0 23.1 60.5
70 48.9 273.7 11.0 311.2 24.9 62.0 55.4 284.4 11.2 322.5 25.5 62.4 58.6 295.1 11.3 333.8 26.1 62.8
90 64.9 326.5 11.9 367.3 27.4 64.1 72.6 339.0 12.1 380.4 28.0 64.6 76.5 351.6 12.3 393.5 28.6 65.1
110 80.8 379.4 12.9 423.4 29.5 66.3 89.8 393.7 13.1 438.3 30.1 66.9 94.3 408.0 13.3 453.3 30.7 67.4
70
26
50 36.2 179.8 13.6 226.1 13.2 87.4 40.4 186.6 13.8 233.6 13.5 88.0 42.6 193.3 14.0 241.1 13.8 88.5
70 52.5 227.0 14.7 277.1 15.5 91.3 57.9 235.5 14.9 286.4 15.8 92.0 60.6 244.1 15.1 295.7 16.1 92.7
90 68.9 274.2 15.8 328.1 17.4 95.2 75.4 284.5 16.0 339.2 17.7 96.1 78.7 294.8 16.3 350.4 18.1 97.0
110 Operation not recommended
39
50 35.3 190.6 13.0 234.9 14.7 82.0 39.8 198.1 13.2 243.1 15.0 82.5 42.1 205.5 13.4 251.2 15.3 82.9
70 51.5 240.9 14.1 288.8 17.1 84.8 57.2 250.1 14.3 298.8 17.5 85.3 60.0 259.4 14.5 308.8 17.9 85.8
90 67.6 291.1 15.1 342.7 19.2 87.6 74.5 302.2 15.4 354.6 19.7 88.2 78.0 313.2 15.6 366.4 20.1 88.8
110 Operation not recommended
52
50 34.5 201.4 12.4 243.7 16.2 79.4 39.3 209.5 12.6 252.6 16.6 79.7 41.6 217.7 12.8 261.4 17.0 80.1
70 50.4 254.7 13.4 300.6 19.0 81.6 56.4 264.7 13.6 311.3 19.4 82.0 59.4 274.7 13.9 321.9 19.8 82.4
90 66.3 308.1 14.5 357.4 21.3 83.7 73.6 319.9 14.7 370.0 21.8 84.2 77.2 331.7 14.9 382.5 22.3 84.7
110 Operation not recommended
90
26
50 37.4 163.4 16.1 218.5 10.1 106.8 41.3 169.6 16.4 225.5 10.3 107.3 43.2 175.7 16.6 232.5 10.6 107.9
70 53.7 211.3 17.3 270.5 12.2 110.8 58.8 219.3 17.6 279.3 12.5 111.5 61.3 227.2 17.9 288.2 12.7 112.2
90 70.1 259.2 18.5 322.4 14.0 114.8 76.2 269.0 18.8 333.2 14.3 115.6 79.3 278.7 19.1 343.9 14.6 116.5
110 Operation not recommended
39
50 36.7 172.7 15.5 225.5 11.2 101.6 40.8 179.5 15.7 233.0 11.4 102.0 42.8 186.2 15.9 240.6 11.7 102.3
70 52.8 223.6 16.6 280.2 13.5 104.4 58.1 232.2 16.9 289.7 13.8 104.9 60.7 240.7 17.1 299.2 14.1 105.3
90 68.9 274.4 17.8 335.0 15.5 107.2 75.4 284.8 18.0 346.4 15.8 107.8 78.6 295.3 18.3 357.7 16.1 108.3
110 Operation not recommended
52
50 36.0 181.9 14.8 232.4 12.3 98.9 40.3 189.3 15.0 240.6 12.6 99.3 42.4 196.7 15.3 248.7 12.9 99.6
70 51.9 235.8 15.9 290.0 14.8 101.2 57.4 245.0 16.1 300.0 15.2 101.5 60.2 254.2 16.4 310.1 15.5 101.9
90 67.7 289.6 17.0 347.5 17.1 103.4 74.6 300.7 17.2 359.5 17.4 103.8 78.0 311.8 17.5 371.5 17.8 104.3
110 Operation not recommended
110
26
50 38.7 147.1 18.7 210.9 7.9 126.2 42.2 152.6 19.0 217.4 8.0 126.7 43.9 158.1 19.3 224.0 8.2 127.2
70 54.9 195.7 20.0 263.9 9.8 130.3 59.6 203.1 20.3 272.3 10.0 130.9 61.9 210.4 20.6 280.7 10.2 131.6
90Operation not recommended
110
39
50 38.1 154.8 17.9 216.0 8.6 121.1 41.8 160.9 18.2 223.0 8.8 121.4 43.6 166.9 18.5 230.0 9.0 121.8
70 54.1 206.3 19.2 271.6 10.8 123.9 59.0 214.2 19.5 280.6 11.0 124.4 61.5 222.1 19.8 289.5 11.2 124.8
90Operation not recommended
110
52
50 37.5 162.5 17.2 221.1 9.5 118.5 41.3 169.1 17.4 228.6 9.7 118.8 43.2 175.7 17.7 236.1 9.9 119.1
70 53.3 216.8 18.3 279.4 11.8 120.7 58.4 225.3 18.6 288.8 12.1 121.1 61.0 233.8 18.9 298.3 12.4 121.5
90Operation not recommended
110
NOTE: For part load operation, divide capacity by 2.
42
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW240 Performance DataHeating
Load Flow - 30 GPM Load Flow - 45 GPM Load Flow - 60 GPM
EST°F
FlowGPM
ELT°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
30
45
60 73.6 204.3 12.6 161.2 4.7 19.3 69.1 205.8 12.4 163.4 4.9 22.7 66.9 207.4 12.2 165.7 5.0 24.5
80 92.9 192.9 16.6 136.2 3.4 20.9 88.7 194.9 16.3 139.3 3.5 23.8 86.6 197.0 16.0 142.4 3.6 25.3
100 112.1 181.5 20.6 111.2 2.6 22.6 108.2 184.1 20.2 115.1 2.7 24.9 106.2 186.6 19.8 119.0 2.8 26.0
120 Operation not recommended
60
60 74.0 209.5 12.7 166.1 4.8 18.9 69.4 211.1 12.5 168.4 4.9 22.5 67.1 212.7 12.3 170.7 5.1 24.3
80 93.2 197.8 16.7 140.7 3.5 20.6 88.9 199.9 16.4 143.9 3.6 23.6 86.7 202.1 16.1 147.0 3.7 25.1
100 112.4 186.2 20.7 115.4 2.6 22.3 108.4 188.8 20.4 119.3 2.7 24.7 106.4 191.4 20.0 123.3 2.8 25.9
120 Operation not recommended
50
30
60 76.9 254.1 13.3 208.6 5.6 36.1 71.4 256.0 13.1 211.3 5.7 40.6 68.6 257.9 12.9 214.0 5.9 42.9
80 96.0 239.9 17.3 181.0 4.1 37.9 90.8 242.5 16.9 184.6 4.2 41.8 88.2 245.0 16.6 188.3 4.3 43.7
100 115.0 225.7 21.2 153.4 3.1 39.8 110.2 228.9 20.8 158.0 3.2 43.0 107.7 232.1 20.4 162.5 3.3 44.6
120 134.1 211.6 25.1 125.8 2.5 41.6 129.6 215.4 24.6 131.3 2.6 44.2 127.3 219.3 24.2 136.8 2.7 45.4
45
60 77.4 260.7 13.4 214.9 5.7 35.7 71.7 262.7 13.2 217.7 5.8 40.3 68.8 264.7 13.0 220.5 6.0 42.7
80 96.4 246.2 17.4 186.9 4.1 37.5 91.1 248.8 17.1 190.6 4.3 41.5 88.4 251.5 16.8 194.3 4.4 43.5
100 115.4 231.7 21.4 158.8 3.2 39.4 110.4 235.0 21.0 163.5 3.3 42.7 107.9 238.3 20.6 168.1 3.4 44.4
120 134.5 217.2 25.3 130.8 2.5 41.3 129.8 221.1 24.8 136.4 2.6 43.9 127.5 225.0 24.3 142.0 2.7 45.3
60
60 77.8 267.4 13.5 221.3 5.8 35.2 72.0 269.5 13.3 224.1 5.9 40.0 69.1 271.5 13.1 226.9 6.1 42.4
80 96.8 252.5 17.5 192.7 4.2 37.2 91.3 255.2 17.2 196.5 4.3 41.3 88.6 257.9 16.9 200.3 4.5 43.3
100 115.8 237.6 21.5 164.2 3.2 39.1 110.7 241.0 21.1 169.0 3.3 42.5 108.1 244.4 20.7 173.7 3.5 44.2
120 134.8 222.7 25.5 135.7 2.6 41.0 130.1 226.8 25.0 141.4 2.7 43.7 127.7 230.8 24.5 147.1 2.8 45.1
70
30
60 80.6 309.1 14.1 261.0 6.4 52.6 73.8 311.4 13.9 264.1 6.6 58.3 70.5 313.8 13.6 267.3 6.7 61.1
80 99.5 291.9 18.0 230.3 4.7 54.6 93.1 295.0 17.7 234.6 4.9 59.6 89.9 298.1 17.4 238.8 5.0 62.0
100 118.3 274.6 22.0 199.7 3.7 56.7 112.4 278.5 21.5 205.0 3.8 60.9 109.4 282.4 21.1 210.3 3.9 63.0
120 137.2 257.4 25.9 169.1 2.9 58.7 131.6 262.1 25.4 175.5 3.0 62.2 128.9 266.8 24.9 181.8 3.1 63.9
45
60 81.1 317.2 14.2 268.7 6.5 52.1 74.2 319.6 14.0 272.0 6.7 57.9 70.7 322.0 13.7 275.2 6.9 60.8
80 100.0 299.5 18.2 237.6 4.8 54.2 93.5 302.7 17.8 241.9 5.0 59.2 90.2 306.0 17.5 246.2 5.1 61.8
100 118.8 281.9 22.1 206.4 3.7 56.2 112.7 285.9 21.7 211.8 3.9 60.6 109.7 289.9 21.3 217.2 4.0 62.8
120 137.6 264.2 26.1 175.2 3.0 58.3 132.0 269.0 25.6 181.7 3.1 61.9 129.1 273.8 25.1 188.2 3.2 63.7
60
60 81.7 325.3 14.3 276.5 6.7 51.6 74.6 327.8 14.1 279.8 6.8 57.6 71.0 330.3 13.8 283.1 7.0 60.6
80 100.5 307.2 18.3 244.8 4.9 53.7 93.8 310.5 18.0 249.2 5.1 58.9 90.5 313.8 17.6 253.6 5.2 61.5
100 119.3 289.1 22.3 213.0 3.8 55.8 113.0 293.2 21.9 218.6 3.9 60.3 109.9 297.3 21.5 224.1 4.1 62.5
120 138.1 271.0 26.3 181.3 3.0 57.9 132.3 275.9 25.8 188.0 3.1 61.6 129.4 280.8 25.3 194.6 3.3 63.5
90
30
60 84.3 364.1 14.9 313.3 7.2 69.1 76.3 366.9 14.6 316.9 7.3 75.9 72.3 369.6 14.4 320.6 7.5 79.3
80 102.9 343.8 18.8 279.7 5.4 71.4 95.4 347.5 18.5 284.5 5.5 77.4 91.7 351.2 18.1 289.3 5.7 80.4
100Operation not recommended
120
45
60 84.9 373.7 15.0 322.5 7.3 68.5 76.7 376.5 14.7 326.2 7.5 75.5 72.6 379.4 14.5 329.9 7.7 79.0
80 103.5 352.9 18.9 288.2 5.5 70.8 95.9 356.6 18.6 293.2 5.6 77.0 92.0 360.4 18.3 298.1 5.8 80.1
100 122.1 332.1 22.9 254.0 4.3 73.1 115.0 336.8 22.5 260.1 4.4 78.4 111.4 341.5 22.0 266.3 4.5 81.1
120 Operation not recommended
60
60 85.6 383.3 15.1 331.7 7.4 67.9 77.2 386.2 14.9 335.5 7.6 75.1 73.0 389.1 14.6 339.3 7.8 78.7
80 104.1 361.9 19.1 296.8 5.6 70.2 96.3 365.8 18.7 301.8 5.7 76.6 92.3 369.7 18.4 306.9 5.9 79.8
100 122.7 340.6 23.1 261.9 4.3 72.5 115.4 345.4 22.6 268.2 4.5 78.1 111.7 350.2 22.2 274.5 4.6 80.9
120 Operation not recommended
NOTE: For part load operation, divide capacity by 2.
43
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW240 Performance Data cont.Cooling
Source Load Flow - 30 GPM Load Flow - 45 GPM Load Flow - 60 GPM
EST°F
FlowGPM
ELT°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
30
30
50 34.8 228.0 9.8 261.5 23.2 47.4 39.5 236.6 10.0 270.6 23.7 48.0 41.8 245.2 10.1 279.7 24.2 48.6
70 51.5 278.0 10.6 314.1 26.3 50.9 57.2 288.5 10.7 325.1 26.9 51.7 60.0 299.0 10.9 336.1 27.5 52.4
90 68.1 328.1 11.3 366.7 29.0 54.4 74.9 340.4 11.5 379.6 29.6 55.3 78.2 352.8 11.7 392.5 30.3 56.2
110 84.8 378.1 12.1 419.2 31.4 57.9 92.6 392.3 12.2 434.1 32.0 58.9 96.4 406.6 12.4 449.0 32.7 59.9
45
50 33.8 242.9 9.4 274.8 25.9 42.2 38.8 252.4 9.5 284.8 26.5 42.7 41.3 261.9 9.7 294.8 27.1 43.1
70 50.2 296.5 10.1 330.9 29.4 44.7 56.3 307.9 10.2 342.9 30.1 45.2 59.4 319.3 10.4 354.8 30.7 45.8
90 66.7 350.2 10.8 387.0 32.4 47.2 73.8 363.5 11.0 400.9 33.2 47.8 77.4 376.8 11.1 414.8 33.9 48.4
110 83.1 403.9 11.5 443.1 35.1 49.7 91.4 419.1 11.7 459.0 35.9 50.4 95.5 434.3 11.9 474.8 36.6 51.1
60
50 32.8 257.7 8.9 288.2 28.9 39.6 38.1 268.2 9.1 299.1 29.6 40.0 40.7 278.6 9.2 310.0 30.3 40.3
70 49.0 315.0 9.6 347.8 32.8 41.6 55.4 327.4 9.8 360.7 33.6 42.0 58.7 339.7 9.9 373.5 34.3 42.5
90 65.2 372.3 10.3 407.4 36.2 43.6 72.8 386.6 10.4 422.2 37.0 44.1 76.6 400.9 10.6 437.0 37.8 44.6
110 81.4 429.7 11.0 467.1 39.2 45.6 90.2 445.8 11.1 483.8 40.1 46.1 94.6 462.0 11.3 500.6 40.9 46.7
50
30
50 35.8 212.7 12.4 255.0 17.1 67.0 40.2 220.7 12.6 263.7 17.5 67.6 42.4 228.7 12.8 272.3 17.9 68.2
70 52.4 264.2 13.3 309.7 19.8 70.6 57.8 274.1 13.5 320.4 20.2 71.4 60.5 284.1 13.8 331.0 20.7 72.1
90 69.0 315.7 14.3 364.4 22.1 74.3 75.4 327.6 14.5 377.1 22.6 75.1 78.7 339.5 14.7 389.7 23.1 76.0
110 85.5 367.3 15.2 419.1 24.2 77.9 93.1 381.1 15.4 433.8 24.7 78.9 96.8 394.9 15.7 448.4 25.2 79.9
45
50 34.9 226.0 11.9 266.5 19.0 61.8 39.6 234.8 12.1 276.0 19.5 62.3 41.9 243.7 12.2 285.4 19.9 62.7
70 51.3 281.1 12.8 324.6 22.0 64.4 57.0 291.9 13.0 336.1 22.5 64.9 59.9 302.7 13.2 347.6 23.0 65.4
90 67.6 336.2 13.7 382.7 24.6 67.0 74.5 348.9 13.9 396.2 25.2 67.6 77.9 361.7 14.1 409.7 25.7 68.2
110 83.9 391.3 14.5 440.9 26.9 69.6 92.0 406.0 14.8 456.3 27.5 70.3 96.0 420.7 15.0 471.8 28.1 71.0
60
50 34.0 239.3 11.3 278.0 21.1 59.3 38.9 249.0 11.5 288.3 21.7 59.6 41.4 258.7 11.7 298.6 22.2 60.0
70 50.1 298.0 12.2 339.5 24.5 61.3 56.2 309.6 12.4 351.8 25.0 61.7 59.3 321.3 12.6 364.1 25.6 62.1
90 66.2 356.6 13.0 401.0 27.4 63.4 73.5 370.3 13.2 415.4 28.0 63.8 77.2 383.9 13.4 429.7 28.6 64.3
110 82.3 415.2 13.9 462.6 29.9 65.4 90.9 430.9 14.1 478.9 30.6 66.0 95.1 446.5 14.3 495.3 31.2 66.5
70
30
50 36.8 197.3 15.0 248.5 13.2 86.6 40.9 204.8 15.2 256.7 13.4 87.1 42.9 212.2 15.5 265.0 13.7 87.7
70 53.3 250.4 16.1 305.4 15.5 90.4 58.5 259.8 16.4 315.6 15.9 91.0 61.0 269.2 16.6 325.9 16.2 91.7
90 69.8 303.4 17.2 362.2 17.6 94.1 76.0 314.8 17.5 374.5 18.0 95.0 79.1 326.2 17.8 386.9 18.4 95.8
110 Operation not recommended
45
50 36.1 209.1 14.4 258.1 14.6 81.5 40.3 217.3 14.6 267.1 14.9 81.9 42.5 225.5 14.8 276.0 15.2 82.3
70 52.3 265.6 15.4 318.3 17.2 84.1 57.7 275.8 15.7 329.3 17.6 84.6 60.5 286.1 15.9 340.3 18.0 85.1
90 68.5 322.1 16.5 378.4 19.5 86.8 75.1 334.4 16.8 391.5 20.0 87.4 78.4 346.6 17.0 404.6 20.4 88.0
110 Operation not recommended
60
50 35.3 220.9 13.7 267.8 16.1 78.9 39.8 229.9 13.9 277.4 16.5 79.2 42.0 238.9 14.2 287.1 16.9 79.6
70 51.3 280.9 14.7 331.2 19.1 81.0 57.0 291.9 15.0 343.0 19.5 81.4 59.9 302.9 15.2 354.8 19.9 81.8
90 67.3 340.9 15.8 394.6 21.6 83.2 74.3 353.9 16.0 408.5 22.1 83.6 77.8 367.0 16.3 422.4 22.6 84.1
110 Operation not recommended
90
30
50 37.9 182.0 17.6 242.0 10.3 106.1 41.6 188.8 17.9 249.8 10.6 106.7 43.5 195.7 18.1 257.6 10.8 107.2
70 54.2 236.5 18.9 301.0 12.5 110.1 59.1 245.4 19.2 310.9 12.8 110.7 61.5 254.3 19.5 320.8 13.1 111.4
90 70.6 291.1 20.2 360.0 14.4 114.0 76.6 302.0 20.5 372.0 14.7 114.8 79.6 313.0 20.8 384.0 15.0 115.6
110 Operation not recommended
45
50 37.2 192.3 16.9 249.8 11.4 101.1 41.1 199.8 17.1 258.2 11.7 101.5 43.1 207.3 17.4 266.6 11.9 101.9
70 53.3 250.2 18.1 312.0 13.8 103.9 58.5 259.8 18.4 322.5 14.1 104.3 61.0 269.4 18.7 333.1 14.4 104.8
90 69.5 308.1 19.4 374.1 15.9 106.6 75.8 319.8 19.7 386.8 16.3 107.2 79.0 331.5 20.0 399.5 16.6 107.8
110 Operation not recommended
60
50 36.5 202.6 16.1 257.6 12.6 98.6 40.6 210.8 16.4 266.6 12.9 98.9 42.7 219.0 16.6 275.7 13.2 99.2
70 52.4 263.8 17.3 322.9 15.2 100.8 57.8 274.2 17.6 334.2 15.6 101.1 60.5 284.5 17.9 345.4 15.9 101.5
90 68.3 325.1 18.5 388.3 17.6 102.9 75.0 337.6 18.8 401.7 18.0 103.4 78.3 350.0 19.1 415.1 18.3 103.8
110 Operation not recommended
110
30
50 38.9 166.6 20.2 235.6 8.3 125.7 42.3 172.9 20.5 242.9 8.4 126.2 44.0 179.2 20.8 250.2 8.6 126.7
70 55.2 222.7 21.7 296.7 10.3 129.8 59.7 231.1 22.0 306.2 10.5 130.4 62.0 239.5 22.4 315.7 10.7 131.0
90Operation not recommended
110
45
50 38.3 175.4 19.4 241.5 9.1 120.7 41.9 182.3 19.7 249.4 9.3 121.1 43.7 189.1 20.0 257.2 9.5 121.4
70 54.4 234.7 20.8 305.6 11.3 123.6 59.2 243.8 21.1 315.7 11.6 124.0 61.6 252.8 21.4 325.9 11.8 124.5
90Operation not recommended
110
60
50 37.7 184.2 18.5 247.4 9.9 118.2 41.5 191.6 18.8 255.8 10.2 118.5 43.4 199.1 19.1 264.3 10.4 118.8
70 53.5 246.8 19.9 314.6 12.4 120.5 58.6 256.4 20.2 325.3 12.7 120.8 61.1 266.1 20.5 336.0 13.0 121.2
90Operation not recommended
110
NOTE: For part load operation, divide capacity by 2.
44
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW360 Performance DataHeating
Load Flow - 45 GPM Load Flow - 68 GPM Load Flow - 90 GPM
EST°F
FlowGPM
ELT°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
30
68
60 73.7 307.5 19.0 242.6 4.7 19.2 69.1 309.9 18.7 246.2 4.9 22.8 66.9 312.2 18.4 249.5 5.0 24.5
80 93.1 294.3 25.0 209.0 3.5 20.7 88.8 297.6 24.5 213.9 3.6 23.7 86.7 300.7 24.1 218.5 3.7 25.1
100 112.5 281.1 31.0 175.4 2.7 22.2 108.4 285.2 30.4 181.6 2.8 24.7 106.4 289.2 29.8 187.4 2.8 25.8
120 Operation not recommended
90
60 74.0 315.2 19.1 249.9 4.8 18.9 69.3 317.7 18.8 253.5 4.9 22.5 67.1 320.0 18.5 256.9 5.1 24.3
80 93.4 301.7 25.2 215.8 3.5 20.4 89.0 305.0 24.7 220.7 3.6 23.5 86.8 308.2 24.3 225.4 3.7 25.0
100 112.8 288.2 31.2 181.7 2.7 21.9 108.6 292.4 30.6 187.9 2.8 24.5 106.6 296.4 30.0 193.9 2.9 25.7
120 Operation not recommended
50
45
60 77.0 382.4 20.3 313.1 5.5 36.1 71.3 385.4 20.0 317.3 5.7 40.7 68.6 388.3 19.6 321.3 5.8 42.9
80 96.2 364.9 26.1 275.7 4.1 37.7 90.8 368.9 25.7 281.3 4.2 41.7 88.3 372.7 25.2 286.7 4.3 43.6
100 115.4 347.3 32.0 238.2 3.2 39.4 110.4 352.4 31.4 245.4 3.3 42.8 107.9 357.2 30.8 252.2 3.4 44.4
120 134.7 329.7 37.8 200.7 2.6 41.1 129.9 335.8 37.1 209.4 2.7 43.8 127.6 341.7 36.3 217.7 2.8 45.2
68
60 77.5 392.7 20.5 322.9 5.6 35.7 71.6 395.8 20.1 327.1 5.8 40.4 68.9 398.7 19.8 331.2 5.9 42.6
80 96.7 374.7 26.4 284.8 4.2 37.3 91.1 378.8 25.9 290.6 4.3 41.5 88.5 382.8 25.4 296.1 4.4 43.4
100 115.9 356.6 32.2 246.7 3.2 39.0 110.6 361.8 31.6 254.0 3.4 42.5 108.2 366.8 31.0 261.0 3.5 44.2
120 135.0 338.6 38.1 208.6 2.6 40.7 130.1 344.9 37.3 217.4 2.7 43.6 127.8 350.9 36.6 225.9 2.8 45.0
90
60 77.9 402.6 20.6 332.2 5.7 35.2 71.9 405.7 20.3 336.5 5.9 40.1 69.1 408.7 19.9 340.7 6.0 42.4
80 97.1 384.1 26.5 293.5 4.2 37.0 91.4 388.3 26.1 299.4 4.4 41.2 88.7 392.4 25.6 305.0 4.5 43.2
100 116.2 365.6 32.5 254.8 3.3 38.7 110.9 370.9 31.8 262.3 3.4 42.3 108.4 376.0 31.2 269.4 3.5 44.0
120 135.4 347.1 38.4 216.1 2.7 40.4 130.4 353.5 37.6 225.1 2.8 43.4 128.0 359.7 36.9 233.8 2.9 44.8
70
45
60 80.7 465.4 21.8 391.1 6.3 52.6 73.8 469.1 21.4 396.0 6.4 58.4 70.5 472.5 21.0 400.7 6.6 61.1
80 99.7 443.1 27.5 349.3 4.7 54.5 93.2 448.0 27.0 355.9 4.9 59.5 90.1 452.7 26.5 362.2 5.0 62.0
100 118.7 420.8 33.2 307.5 3.7 56.3 112.6 427.0 32.6 315.8 3.8 60.7 109.6 432.8 32.0 323.8 4.0 62.8
120 137.7 398.5 38.9 265.7 3.0 58.2 131.9 405.9 38.2 275.7 3.1 61.9 129.2 413.0 37.4 285.3 3.2 63.7
68
60 81.2 478.0 22.0 403.1 6.4 52.1 74.2 481.7 21.6 408.1 6.5 58.0 70.8 485.2 21.2 412.9 6.7 60.8
80 100.2 455.1 27.7 360.5 4.8 54.0 93.5 460.1 27.2 367.3 5.0 59.2 90.3 464.9 26.7 373.7 5.1 61.7
100 119.2 432.2 33.5 318.0 3.8 55.9 112.9 438.5 32.8 326.4 3.9 60.4 109.9 444.5 32.2 334.6 4.0 62.6
120 138.2 409.3 39.2 275.4 3.1 57.8 132.3 416.8 38.5 285.6 3.2 61.6 129.4 424.1 37.7 295.4 3.3 63.4
90
60 81.8 489.9 22.1 414.5 6.5 51.6 74.5 493.8 21.7 419.6 6.7 57.7 71.1 497.4 21.4 424.5 6.8 60.6
80 100.7 466.5 27.9 371.2 4.9 53.5 93.9 471.6 27.4 378.1 5.0 58.9 90.6 476.5 26.9 384.7 5.2 61.5
100 119.7 443.0 33.7 327.9 3.9 55.4 113.2 449.4 33.1 336.6 4.0 60.1 110.1 455.6 32.5 344.9 4.1 62.3
120 138.6 419.5 39.5 284.7 3.1 57.3 132.6 427.3 38.7 295.1 3.2 61.3 129.7 434.7 38.0 305.1 3.4 63.2
90
45
60 84.4 548.4 23.2 469.1 6.9 69.1 76.3 552.7 22.8 474.8 7.1 76.0 72.4 556.8 22.5 480.2 7.3 79.3
80 103.2 521.4 28.8 423.0 5.3 71.2 95.5 527.1 28.3 430.5 5.5 77.3 91.8 532.6 27.8 437.7 5.6 80.3
100Operation not recommended
120
68
60 85.0 563.2 23.4 483.3 7.0 68.5 76.7 567.6 23.0 489.0 7.2 75.6 72.7 571.8 22.6 494.5 7.4 79.0
80 103.8 535.4 29.1 436.2 5.4 70.6 95.9 541.3 28.5 444.0 5.6 76.9 92.2 547.0 28.0 451.3 5.7 80.0
100 122.6 507.7 34.7 389.2 4.3 72.7 115.1 515.1 34.1 398.9 4.4 78.3 111.6 522.1 33.4 408.1 4.6 80.9
120 Operation not recommended
90
60 85.7 577.3 23.6 496.8 7.2 67.9 77.1 581.8 23.2 502.7 7.4 75.2 73.0 586.1 22.8 508.3 7.5 78.7
80 104.4 548.9 29.3 448.9 5.5 70.0 96.3 554.9 28.7 456.8 5.7 76.6 92.5 560.7 28.2 464.3 5.8 79.7
100 123.1 520.4 35.0 401.1 4.4 72.2 115.5 528.0 34.3 410.9 4.5 77.9 111.9 535.2 33.7 420.4 4.7 80.7
120 Operation not recommended
NOTE: For part load operation, divide capacity by 2.
45
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW360 Performance Data cont.Cooling
Source Load Flow - 45 GPM Load Flow - 68 GPM Load Flow - 90 GPM
EST°F
FlowGPM
ELT°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
LLT°F
TCMBTUH
PowerkW
HRMBTUH
EERLST°F
30
45
50 36.1 313.2 14.3 362.0 21.9 46.1 40.4 325.3 14.5 374.8 22.4 46.7 42.5 336.8 14.7 387.1 22.8 47.2
70 53.8 364.6 15.2 416.6 24.0 48.5 58.9 378.7 15.5 431.4 24.5 49.2 61.3 392.1 15.7 445.6 25.0 49.8
90 71.5 416.0 16.2 471.1 25.8 50.9 77.3 432.1 16.4 488.0 26.3 51.7 80.1 447.4 16.7 504.2 26.9 52.4
110 89.2 467.5 17.1 525.7 27.4 53.4 95.7 485.5 17.3 544.6 28.0 54.2 98.8 502.7 17.6 562.7 28.6 55.0
68
50 35.2 334.1 13.6 380.6 24.5 41.2 39.8 347.4 13.8 394.7 25.1 41.6 42.0 360.2 14.1 408.2 25.6 42.0
70 52.7 389.4 14.5 438.9 26.8 42.9 58.1 404.7 14.7 455.0 27.4 43.4 60.7 419.4 15.0 470.5 28.0 43.8
90 70.2 444.7 15.4 497.3 28.9 44.6 76.4 462.0 15.6 515.4 29.5 45.2 79.4 478.5 15.9 532.7 30.1 45.7
110 87.8 500.1 16.3 555.6 30.7 46.3 94.7 519.3 16.5 575.7 31.4 46.9 98.1 537.7 16.8 595.0 32.0 47.5
90
50 34.3 354.0 13.0 398.3 27.2 38.9 39.2 368.7 13.2 413.7 27.9 39.2 41.5 382.7 13.4 428.4 28.6 39.5
70 51.6 413.1 13.8 460.3 29.8 40.2 57.4 429.7 14.1 477.6 30.6 40.6 60.1 445.5 14.3 494.2 31.2 41.0
90 69.0 472.1 14.7 522.2 32.2 41.6 75.6 490.7 14.9 541.5 32.9 42.0 78.7 508.4 15.1 560.0 33.6 42.4
110 86.4 531.2 15.5 584.2 34.2 43.0 93.8 551.7 15.8 605.4 35.0 43.5 97.3 571.2 16.0 625.8 35.7 43.9
50
45
50 36.7 298.4 18.4 361.3 16.2 66.1 40.9 309.9 18.7 373.8 16.5 66.6 42.9 320.9 19.0 385.7 16.9 67.1
70 54.5 349.3 19.6 416.3 17.8 68.5 59.3 362.7 19.9 430.8 18.2 69.1 61.7 375.6 20.2 444.7 18.6 69.8
90 72.2 400.2 20.8 471.3 19.2 70.9 77.8 415.6 21.2 487.8 19.6 71.7 80.4 430.3 21.5 503.6 20.0 72.4
110 90.0 451.1 22.0 526.2 20.5 73.4 96.2 468.4 22.4 544.8 20.9 74.2 99.2 485.0 22.7 562.5 21.4 75.0
68
50 35.9 317.5 17.6 377.6 18.0 61.1 40.3 330.2 17.9 391.2 18.4 61.5 42.4 342.4 18.2 404.3 18.8 61.9
70 53.5 372.0 18.8 436.1 19.8 62.8 58.6 386.7 19.1 451.7 20.3 63.3 61.1 400.7 19.3 466.7 20.7 63.7
90 71.0 426.6 19.9 494.5 21.4 64.5 77.0 443.2 20.2 512.2 21.9 65.1 79.8 459.1 20.5 529.1 22.4 65.6
110 88.6 481.2 21.0 553.0 22.9 66.3 95.3 499.7 21.4 572.7 23.4 66.8 98.5 517.4 21.7 591.5 23.9 67.4
90
50 35.1 335.7 16.8 393.1 19.9 58.7 39.7 349.6 17.1 407.9 20.4 59.1 41.9 362.9 17.4 422.1 20.9 59.4
70 52.5 393.8 17.9 455.0 22.0 60.1 58.0 409.6 18.2 471.7 22.5 60.5 60.6 424.8 18.5 487.8 23.0 60.8
90 69.9 451.9 19.0 516.8 23.8 61.5 76.2 469.7 19.3 535.5 24.3 61.9 79.2 486.6 19.6 553.5 24.8 62.3
110 87.3 510.1 20.1 578.7 25.4 62.9 94.4 529.7 20.4 599.4 25.9 63.3 97.8 548.5 20.7 619.2 26.5 63.8
70
45
50 37.4 283.6 22.6 360.7 12.6 86.0 41.3 294.5 22.9 372.8 12.8 86.6 43.2 305.0 23.3 384.4 13.1 87.1
70 55.2 334.0 24.1 416.0 13.9 88.5 59.8 346.8 24.4 430.2 14.2 89.1 62.0 359.1 24.8 443.7 14.5 89.7
90 72.9 384.3 25.5 471.4 15.1 91.0 78.3 399.1 25.9 487.6 15.4 91.7 80.8 413.3 26.3 503.0 15.7 92.4
110 Operation not recommended
68
50 36.6 300.9 21.6 374.6 13.9 81.0 40.8 312.9 21.9 387.8 14.3 81.4 42.8 324.5 22.3 400.4 14.6 81.8
70 54.2 354.7 23.0 433.2 15.4 82.7 59.2 368.7 23.4 448.4 15.8 83.2 61.5 382.0 23.7 463.0 16.1 83.6
90 71.8 408.6 24.4 491.8 16.7 84.5 77.5 424.4 24.8 509.0 17.1 85.0 80.2 439.6 25.2 525.5 17.5 85.5
110 Operation not recommended
90
50 35.9 317.4 20.7 387.9 15.4 78.6 40.3 330.5 21.0 402.1 15.7 78.9 42.4 343.1 21.3 415.8 16.1 79.2
70 53.4 374.5 22.0 449.6 17.0 80.0 58.5 389.6 22.4 465.8 17.4 80.4 61.0 404.0 22.7 481.4 17.8 80.7
90 70.8 431.7 23.3 511.4 18.5 81.4 76.8 448.6 23.7 529.6 18.9 81.8 79.7 464.8 24.1 546.9 19.3 82.2
110 Operation not recommended
90
45
50 38.1 268.8 26.7 360.0 10.1 106.0 41.8 279.2 27.2 371.8 10.3 106.5 43.6 289.1 27.6 383.1 10.5 107.0
70 55.8 318.7 28.5 415.8 11.2 108.5 60.3 330.9 28.9 429.6 11.4 109.1 62.4 342.6 29.4 442.8 11.7 109.7
90 73.6 368.5 30.2 471.5 12.2 111.0 78.7 382.7 30.7 487.3 12.5 111.7 81.2 396.2 31.1 502.5 12.7 112.3
110 Operation not recommended
68
50 37.4 284.3 25.6 371.6 11.1 100.9 41.3 295.7 26.0 384.3 11.4 101.3 43.2 306.6 26.4 396.6 11.6 101.7
70 55.0 337.4 27.3 430.4 12.4 102.7 59.7 350.7 27.7 445.1 12.7 103.1 61.9 363.4 28.1 459.2 12.9 103.5
90 72.6 390.5 28.9 489.1 13.5 104.4 78.1 405.6 29.4 505.9 13.8 104.9 80.7 420.2 29.8 521.9 14.1 105.3
110 Operation not recommended
90
50 36.7 299.1 24.5 382.6 12.2 98.5 40.8 311.4 24.9 396.3 12.5 98.8 42.8 323.3 25.3 409.5 12.8 99.1
70 54.2 355.3 26.1 444.3 13.6 99.9 59.1 369.5 26.5 460.0 13.9 100.2 61.5 383.2 26.9 474.9 14.2 100.6
90 71.7 411.5 27.7 505.9 14.9 101.2 77.4 427.6 28.1 523.6 15.2 101.6 80.2 443.1 28.5 540.4 15.5 102.0
110 Operation not recommended
110
45
50 38.7 254.0 30.9 359.4 8.2 126.0 42.2 263.8 31.4 370.8 8.4 126.5 43.9 273.2 31.8 381.7 8.6 127.0
70 56.5 303.3 32.9 415.5 9.2 128.5 60.7 315.0 33.4 429.0 9.4 129.1 62.8 326.2 33.9 441.8 9.6 129.6
90Operation not recommended
110
68
50 38.1 267.7 29.6 368.6 9.1 120.8 41.8 278.4 30.0 380.9 9.3 121.2 43.6 288.7 30.5 392.7 9.5 121.5
70 55.8 320.0 31.5 427.5 10.2 122.6 60.2 332.6 32.0 441.8 10.4 123.0 62.3 344.7 32.5 455.5 10.6 123.4
90Operation not recommended
110
90
50 37.5 280.7 28.3 377.4 9.9 118.4 41.4 292.4 28.8 390.5 10.2 118.7 43.3 303.5 29.2 403.1 10.4 119.0
70 55.1 336.0 30.2 439.0 11.1 119.8 59.7 349.5 30.6 454.1 11.4 120.1 61.9 362.4 31.1 468.5 11.7 120.4
90Operation not recommended
110
NOTE: For part load operation, divide capacity by 2.
46
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW540 Performance DataHeating
Load Flow - 68 GPM Load Flow - 108 GPM Load Flow - 135 GPM
EST°F
FlowGPM
ELT°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
LLT°F
HCMBTUH
PowerkW
HEMBTUH
COPLST°F
30
108
60 74.4 490.2 29.3 390.2 4.9 18.5 69.2 494.7 28.7 396.6 5.0 22.7 67.4 497.7 28.3 401.0 5.1 24.1
80 93.8 470.7 38.7 338.6 3.6 20.0 88.8 476.7 37.9 347.5 3.7 23.6 87.1 480.8 37.3 353.6 3.8 24.8
100 113.3 451.1 48.1 287.0 2.7 21.6 108.5 458.8 47.0 298.4 2.9 24.5 106.9 464.0 46.3 306.1 2.9 25.5
120 Operation not recommended
135
60 74.7 500.3 29.5 399.6 5.0 18.2 69.3 504.8 28.9 406.2 5.1 22.5 67.5 507.9 28.5 410.7 5.2 23.9
80 94.1 480.3 38.9 347.5 3.6 19.8 89.0 486.5 38.1 356.5 3.7 23.4 87.3 490.7 37.5 362.7 3.8 24.6
100 113.5 460.4 48.4 295.3 2.8 21.3 108.7 468.3 47.3 306.9 2.9 24.3 107.0 473.6 46.6 314.7 3.0 25.3
120 Operation not recommended
50
68
60 77.3 588.3 31.5 480.8 5.5 35.9 71.0 593.6 30.9 488.3 5.6 41.0 68.8 597.2 30.4 493.4 5.8 42.7
80 96.6 564.1 40.4 426.3 4.1 37.5 90.6 571.4 39.5 436.5 4.2 41.9 88.5 576.3 38.9 443.4 4.3 43.4
100 115.9 539.9 49.3 371.8 3.2 39.1 110.2 549.2 48.2 384.7 3.3 42.9 108.2 555.4 47.4 393.5 3.4 44.2
120 135.2 515.8 58.2 317.2 2.6 40.7 129.8 526.9 56.8 333.0 2.7 43.8 127.9 534.5 55.9 343.6 2.8 44.9
108
60 77.8 606.8 31.8 498.3 5.6 35.3 71.3 612.3 31.1 506.0 5.8 40.6 69.1 616.0 30.7 511.2 5.9 42.4
80 97.1 581.8 40.8 442.7 4.2 37.0 90.9 589.3 39.9 453.3 4.3 41.6 88.8 594.4 39.3 460.3 4.4 43.2
100 116.4 556.9 49.7 387.2 3.3 38.6 110.5 566.4 48.6 400.5 3.4 42.6 108.5 572.8 47.9 409.5 3.5 43.9
120 135.6 532.0 58.7 331.6 2.7 40.2 130.1 543.5 57.4 347.8 2.8 43.6 128.2 551.3 56.5 358.6 2.9 44.7
135
60 78.2 619.2 32.0 510.1 5.7 35.0 71.6 624.9 31.3 517.9 5.8 40.4 69.3 628.7 30.9 523.2 6.0 42.2
80 97.5 593.8 41.0 453.9 4.2 36.7 91.1 601.5 40.1 464.5 4.4 41.4 89.0 606.6 39.5 471.8 4.5 43.0
100 116.7 568.4 50.0 397.6 3.3 38.3 110.7 578.1 48.9 411.1 3.5 42.4 108.7 584.6 48.2 420.3 3.6 43.8
120 136.0 542.9 59.1 341.4 2.7 40.0 130.3 554.7 57.7 357.7 2.8 43.4 128.3 562.6 56.8 368.8 2.9 44.5
70
68
60 80.6 701.3 33.9 585.4 6.1 52.8 73.1 707.7 33.3 594.2 6.2 59.0 70.5 712.0 32.8 600.0 6.4 61.1
80 99.8 671.9 42.4 527.1 4.6 54.5 92.6 680.6 41.5 538.9 4.8 60.0 90.2 686.4 40.9 546.8 4.9 61.9
100 118.9 642.5 50.9 468.7 3.7 56.2 112.1 653.5 49.8 483.6 3.8 61.0 109.8 660.9 49.0 493.6 4.0 62.7
120 138.0 613.1 59.4 410.4 3.0 57.9 131.6 626.4 58.1 428.3 3.2 62.1 129.4 635.4 57.1 440.4 3.3 63.5
108
60 81.3 723.3 34.3 606.4 6.2 52.2 73.5 729.9 33.6 615.4 6.4 58.6 70.9 734.3 33.1 621.4 6.5 60.8
80 100.4 693.0 42.8 546.9 4.7 53.9 93.0 702.0 41.9 559.0 4.9 59.6 90.5 708.0 41.3 567.1 5.0 61.6
100 119.5 662.7 51.4 487.4 3.8 55.7 112.5 674.0 50.2 502.6 3.9 60.7 110.1 681.7 49.5 512.9 4.0 62.4
120 138.6 632.4 60.0 427.8 3.1 57.4 132.0 646.1 58.6 446.2 3.2 61.7 129.7 655.3 57.6 458.6 3.3 63.2
135
60 81.7 738.2 34.5 620.6 6.3 51.7 73.8 744.9 33.8 629.7 6.5 58.3 71.1 749.4 33.3 635.8 6.6 60.6
80 100.8 707.3 43.1 560.3 4.8 53.5 93.3 716.4 42.2 572.5 5.0 59.4 90.7 722.6 41.5 580.8 5.1 61.4
100 119.9 676.3 51.7 499.9 3.8 55.3 112.7 687.9 50.5 515.4 4.0 60.5 110.3 695.7 49.8 525.9 4.1 62.2
120 139.0 645.4 60.3 439.6 3.1 57.1 132.2 659.4 58.9 458.3 3.3 61.5 129.9 668.8 58.0 470.9 3.4 63.0
90
68
60 83.9 814.3 36.4 690.1 6.6 69.7 75.2 821.7 35.7 700.0 6.8 77.0 72.2 826.7 35.2 706.7 6.9 79.5
80 102.9 779.7 44.5 627.9 5.1 71.5 94.6 789.8 43.5 641.2 5.3 78.1 91.8 796.5 42.9 650.2 5.4 80.4
100Operation not recommended
120
108
60 84.7 839.9 36.7 714.6 6.7 69.0 75.7 847.5 36.0 724.7 6.9 76.6 72.6 852.7 35.5 731.6 7.0 79.2
80 103.7 804.2 44.9 651.0 5.3 70.9 95.1 814.6 43.9 664.7 5.4 77.7 92.2 821.6 43.3 673.9 5.6 80.0
100 122.6 768.5 53.0 587.5 4.2 72.7 114.5 781.6 51.9 604.7 4.4 78.8 111.7 790.5 51.1 616.3 4.5 80.9
120 Operation not recommended
135
60 85.2 857.1 36.9 731.1 6.8 68.5 76.0 864.9 36.2 741.4 7.0 76.3 72.9 870.2 35.7 748.4 7.1 78.9
80 104.1 820.7 45.2 666.7 5.3 70.4 95.4 831.3 44.2 680.5 5.5 77.4 92.4 838.5 43.5 689.9 5.6 79.8
100 123.1 784.3 53.4 602.2 4.3 72.3 114.8 797.7 52.2 619.7 4.5 78.5 112.0 806.7 51.4 631.5 4.6 80.6
120 Operation not recommended
NOTE: For part load operation, divide capacity by 2.
47
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
NXW540 Performance Data cont.Cooling
NOTE: For part load operation, divide capacity by 2.
Source Load Flow - 68 GPM Load Flow - 108 GPM Load Flow - 135 GPM
ESTºF
FlowGPM
ELTºF
LLTºF
TCMBTUH
PowerkW
HRMBTUH
EERLSTºF
LLTºF
TCMBTUH
PowerkW
HRMBTUH
EERLSTºF
LLTºF
TCMBTUH
PowerkW
HRMBTUH
EERLSTºF
30
68
50 34.4 531.7 22.3 607.8 23.8 47.9 39.7 555.6 22.7 633.1 24.5 48.6 41.5 571.7 23.0 650.2 24.9 49.1
70 53.3 568.6 24.9 653.7 22.8 49.2 59.0 594.2 25.4 680.8 23.4 50.0 60.9 611.4 25.7 699.1 23.8 50.6
90 72.2 605.5 27.6 699.6 22.0 50.6 78.3 632.7 28.1 728.5 22.5 51.4 80.4 651.1 28.4 748.1 22.9 52.0
110 91.1 642.4 30.2 745.5 21.3 51.9 97.6 671.3 30.8 776.2 21.8 52.8 99.8 690.8 31.1 797.0 22.2 53.4
108
50 33.1 573.1 21.1 645.0 27.2 41.9 38.9 600.1 21.5 673.3 27.9 42.5 40.8 618.3 21.7 692.5 28.4 42.8
70 52.0 613.6 23.6 694.1 26.0 42.9 58.1 642.0 24.0 724.0 26.7 43.4 60.2 661.2 24.3 744.1 27.2 43.8
90 70.8 654.2 26.1 743.1 25.1 43.8 77.3 684.0 26.5 774.6 25.8 44.3 79.6 704.1 26.9 795.8 26.2 44.7
110 89.6 694.7 28.6 792.2 24.3 44.7 96.6 726.0 29.1 825.2 25.0 45.3 98.9 747.0 29.4 847.5 25.4 45.7
135
50 32.3 601.0 20.3 670.1 29.6 39.9 38.3 630.1 20.6 700.5 30.5 40.4 40.4 649.7 20.9 721.0 31.1 40.7
70 51.1 644.0 22.7 721.3 28.4 40.7 57.5 674.3 23.1 753.1 29.2 41.2 59.7 694.8 23.4 774.5 29.7 41.5
90 69.8 687.0 25.1 772.5 27.4 41.4 76.7 718.6 25.5 805.7 28.2 41.9 79.0 739.9 25.8 828.0 28.6 42.3
110 88.5 730.1 27.5 823.7 26.6 42.2 95.9 762.9 28.0 858.2 27.3 42.7 98.4 785.0 28.3 881.6 27.7 43.1
50
68
50 35.5 491.8 28.9 590.2 17.0 67.4 40.5 513.9 29.4 614.1 17.5 68.1 42.2 528.8 29.8 630.3 17.8 68.5
70 54.4 528.9 31.5 636.2 16.8 68.7 59.8 552.7 32.0 662.0 17.3 69.5 61.6 568.7 32.4 679.4 17.5 70.0
90 73.4 566.1 34.1 682.3 16.6 70.1 79.0 591.5 34.7 709.8 17.1 70.9 81.0 608.7 35.1 728.5 17.3 71.4
110 92.3 603.2 36.7 728.3 16.5 71.4 98.3 630.3 37.3 757.7 16.9 72.3 100.4 648.6 37.8 777.5 17.2 72.9
108
50 34.5 528.6 27.4 621.9 19.3 61.5 39.7 553.5 27.9 648.6 19.9 62.0 41.6 570.3 28.2 666.5 20.2 62.3
70 53.3 569.2 29.8 671.0 19.1 62.4 59.0 595.6 30.4 699.2 19.6 62.9 60.9 613.4 30.7 718.2 20.0 63.3
90 72.1 609.9 32.3 720.0 18.9 63.3 78.2 637.6 32.9 749.8 19.4 63.9 80.3 656.4 33.3 769.9 19.7 64.3
110 90.9 650.5 34.7 769.0 18.7 64.2 97.4 679.7 35.4 800.4 19.2 64.8 99.6 699.4 35.8 821.6 19.5 65.2
135
50 33.7 553.5 26.3 643.3 21.0 59.5 39.3 580.3 26.8 671.8 21.6 60.0 41.1 598.4 27.2 691.0 22.0 60.2
70 52.5 596.4 28.7 694.4 20.8 60.3 58.4 624.5 29.2 724.3 21.4 60.7 60.5 643.5 29.6 744.5 21.7 61.0
90 71.2 639.4 31.1 745.4 20.6 61.0 77.6 668.8 31.6 776.8 21.1 61.5 79.8 688.6 32.0 797.9 21.5 61.8
110 89.9 682.4 33.4 796.5 20.4 61.8 96.8 713.1 34.1 829.3 20.9 62.3 99.1 733.8 34.5 851.4 21.3 62.6
70
68
50 36.7 451.8 35.4 572.6 12.8 86.8 41.3 472.1 36.1 595.2 13.1 87.5 42.8 485.8 36.5 610.4 13.3 88.0
70 55.6 489.2 38.0 618.8 12.9 88.2 60.5 511.2 38.7 643.2 13.2 88.9 62.2 526.0 39.2 659.6 13.4 89.4
90 74.5 526.6 40.5 664.9 13.0 89.6 79.8 550.2 41.3 691.1 13.3 90.3 81.6 566.2 41.8 708.8 13.5 90.8
110 Operation not recommended
108
50 35.8 484.1 33.6 598.8 14.4 81.1 40.6 506.9 34.2 623.8 14.8 81.6 42.3 522.3 34.7 640.6 15.1 81.9
70 54.6 524.8 36.0 647.8 14.6 82.0 59.8 549.1 36.7 674.4 15.0 82.5 61.6 565.5 37.2 692.3 15.2 82.8
90 73.4 565.5 38.5 696.8 14.7 82.9 79.1 591.3 39.2 725.0 15.1 83.4 81.0 608.7 39.7 744.0 15.3 83.8
110 Operation not recommended
135
50 35.1 506.0 32.4 616.5 15.6 79.1 40.2 530.5 33.0 643.1 16.1 79.5 41.9 547.0 33.4 661.0 16.4 79.8
70 53.9 548.9 34.7 667.4 15.8 79.9 59.4 574.7 35.4 695.5 16.2 80.3 61.2 592.2 35.8 714.4 16.5 80.6
90 72.6 591.8 37.1 718.3 16.0 80.6 78.5 619.0 37.8 747.9 16.4 81.1 80.6 637.3 38.2 767.8 16.7 81.4
110 Operation not recommended
90
68
50 37.9 411.8 42.0 555.0 9.8 106.3 42.0 430.3 42.7 576.2 10.1 106.9 43.4 442.8 43.3 590.5 10.2 107.4
70 56.8 449.5 44.5 601.3 10.1 107.7 61.3 469.7 45.3 624.3 10.4 108.4 62.8 483.3 45.9 639.8 10.5 108.8
90 75.7 487.1 47.0 647.6 10.4 109.0 80.6 509.0 47.9 672.4 10.6 109.8 82.2 523.7 48.5 689.2 10.8 110.3
110 Operation not recommended
108
50 37.1 439.7 39.9 575.7 11.0 100.7 41.5 460.4 40.6 599.0 11.3 101.1 43.0 474.4 41.1 614.6 11.5 101.4
70 55.9 480.4 42.3 624.7 11.4 101.6 60.7 502.7 43.1 649.6 11.7 102.0 62.3 517.7 43.6 666.4 11.9 102.3
90 74.7 521.2 44.7 673.7 11.7 102.5 79.9 544.9 45.5 700.2 12.0 103.0 81.7 560.9 46.1 718.1 12.2 103.3
110 Operation not recommended
135
50 36.5 458.5 38.5 589.7 11.9 98.7 41.1 480.7 39.2 614.3 12.3 99.1 42.7 495.7 39.7 630.9 12.5 99.3
70 55.3 501.3 40.8 640.5 12.3 99.5 60.3 524.9 41.5 666.6 12.6 99.9 62.0 540.9 42.0 684.3 12.9 100.1
90 74.0 544.2 43.1 691.3 12.6 100.2 79.5 569.2 43.9 719.0 13.0 100.7 81.3 586.1 44.4 737.7 13.2 100.9
110 Operation not recommended
110
68
50 39.1 371.9 48.5 537.5 7.7 125.8 42.8 388.6 49.4 557.2 7.9 126.4 44.1 399.9 50.0 570.6 8.0 126.8
70 57.9 409.7 51.0 583.9 8.0 127.2 62.1 428.2 52.0 605.5 8.2 127.8 63.5 440.6 52.6 620.1 8.4 128.2
90Operation not recommended
110
108
50 38.4 395.2 46.1 552.6 8.6 120.2 42.3 413.8 47.0 574.2 8.8 120.6 43.7 426.4 47.6 588.7 9.0 120.9
70 57.2 436.0 48.5 601.6 9.0 121.1 61.6 456.2 49.4 624.8 9.2 121.6 63.0 469.8 50.0 640.5 9.4 121.9
90Operation not recommended
110
135
50 37.9 411.0 44.5 562.9 9.2 118.3 42.0 430.9 45.3 585.6 9.5 118.7 43.4 444.3 45.9 600.9 9.7 118.9
70 56.7 453.8 46.8 613.5 9.7 119.1 61.2 475.1 47.7 637.8 10.0 119.4 62.7 489.5 48.3 654.2 10.1 119.7
90Operation not recommended
110
48
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Wiring Schematics208-230/60/3
24V
Transformer
SFS
LFS
ES
John
son
FX-1
0
5VD
C
AI3
35 36 37 38
+- AI5
- + AI4
- + AI6 AI2
AI1
5VD
C
5VD
C
LED
- - -+ + +
24VAC
24VAC Com
GROUND
39 40 41
PW
M2
PW
M2
Com
PW
M1
42 43 44 45 46 47 48
24V
AC
Com
DI1
2
DI1
1
DI1
0
DI9
DI8
DI7
49 50 51 52 53 54 55 56
DI 3
/4/5
/6/ C
om
DI6
DI5
DI4
DI3
DI2
DI1
9VD
C
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
D09
D08
D07 D0 6
D05
D04
D03
D02
D01
J8 J2 J10
J9
J7
NO
TE 7
A21A12
A25 A22
A32
A31A35
A23
A13
A11
A15
A14
A24
A34
A33
34
HP-
B
HP-
A
LP-A
LP-B
313029282726252423222120
AI4 EXP5Vdc Com
J2
5Vdc5Vdc Com
AI3 EXP5Vdc
5Vdc ComAI2 EXP
5Vdc5Vdc Com
AI1 EXP5Vdc
1716151413121110
DO324 Vac
DO4DO5
DO6
24 Vac24 Vac Com
J3
24 Vac
J1Main Board Connection
A41
A31
A23
A13
A43
A42
A32
A33
A21
A22
A12
A11
4
3
2
1
D02
D01
6
D07 5
8
D08 7
John
son
FX10
Expa
nsio
n B
oard
Uni
t Pow
er S
uppl
y20
8-23
0/60
/3
GP
B1 2 31
( Circ
uit A
)C
ompr
esso
r
CC
1 L1L2
L3
T1T2
T3
Blac
k (1
0)R
ed (1
2)
Whi
te (1
1)
T1T2
S2 S1
Co
mp
ress
or
Pro
tect
ion
Mo
du
le #
1
(CP
M1
)
Blu
e
Blu
e
T1
T2
T3
S1 S2
Cur
rent
Sw
itch
CS1
Bla
ck
Bla
ck
Ear
th G
roun
d
Grn
/Yel
l (88
)
CC
2 L1L2
L3
T1T2
T3
Blac
k (1
3)R
ed (1
5)
T1T2
S2
S1
Com
pres
sor
Prot
ectio
n
Mod
ule
#2
(CPM
2)
Blu
e
Blu
e
( Circ
uit B
)T1
T2
T3
S1
S2
Whi
te (1
4)
Cur
rent
Sw
itch
CS2
Bla
ck
Bla
ck
Com
pres
sor
Earth
Gro
und
Grn
/Yel
l (89
)
Bla
ck (F
1)
Bla
ck (F
2)
Bla
ck (F
3)
Bla
ck (F
4)
Bla
ck (F
5)
Bla
ck (F
6)
Bla
ck (F
7)
Bla
ck (F
8)
Bla
ck (F
9)
Bla
ck (F
10)
Bla
ck (F
11)
Bla
ck (F
12)
Bla
ck (F
13)
Bla
ck (F
14)
Bla
ck (F
15)
Bla
ck (F
16)
Bla
ck (F
17)
Bla
ck (F
18)
Bla
ck (F
19)
Bla
ck (F
20)
1234578910 611121316 15 141720 19 18
PB
L1L2
L3
A
33323130292827262524231 6 2 7 3 4 9 5 108
Whi
te/R
ed (8
0)
Whi
te/R
ed (8
1)
Whi
te/B
lue
(33
)W
hite
/Blu
e (3
4)
Yel
low
/Red
(35)
Yel
low
/Red
(36)
Yel
low
/Blu
e (3
7)
Yel
low
/Blu
e (3
8)
Tan
/Bla
ck (8
4)
Tan
/Bla
ck (8
5)
Whi
te/R
ed (
80)
Whi
te/R
ed (
81)
T T TT
Whi
te/B
lue
(33)
Whi
te/B
lue
(34)
Yel
low
/Red
(35
)
Yel
low
/Red
(36
)
TY
ello
w/B
lue
(37)
Yel
low
/Blu
e (3
8)
Tan
/Bla
ck (8
4)
Tan
/Bla
ck (8
5)
S-W
CT
Circ
uit
A
L-W
CT
Circ
uit
A
S-W
CT
Circ
uit
B
L-W
CT
Circ
uit
B
LLT
Tran
sfor
mer
Sw
itch 1 3
2
Bla
ck
Red
208V
Blu
e23
0V
Bla
ck/W
hite
Yel
low
Yel
low Y
ello
w
Yel
low
Yel
low
(24
)
Bla
ck (9
5)
Gre
en/Y
ello
w (2
3)
Yel
low
(21)
Bla
ck/W
hite
(22
)
Y1C
OM
P 1
LC1
Com
p A
Ala
rm
RS
DO
-9
X2D
O-7
R24
VA
C
SSD
O-8
LC2
Com
p B
Ala
rm
X1A
cc
C24
VA
C C
OM
TON
OT
US
ED
SCN
OT
US
ED
AIC
NO
T U
SE
D
LN
OT
US
ED
O/B
RE
V V
ALV
E
GN
OT
US
ED
Y2C
OM
P 2
1612829410 7531114 6 13151
TB
Bla
ck (S
S)
Bla
ck (C
)
Bla
ck (R
S)
Bla
ck (R
)
Bla
ck (X
2)
Bla
ck (L
C2
)
Bla
ck (L
C1
)
Bla
ck (X
1)
Bla
ck (Y
1)
Bla
ck (Y
2)
Bla
ck (O
/B)
Bla
ck (G
)
Bla
ck (A
IC)
Bla
ck (S
C)
Bla
ck (L
)
Bla
ck (T
O)
B
2/27
/09
Bla
ck/W
hite
(26)
Bla
ck (3
0)
Bla
ck (3
0)
Bla
ck (2
9)
Bla
ck (2
9)
Yel
low
(25)
Yel
low
(25
)
Bla
ck (2
8)
Bla
ck (2
8)
Bro
wn
(53)
Bro
wn
(53)
Bro
wn
(52)
Bro
wn
(52)
Blu
e (5
1)
Blu
e (5
1)
Bla
ck (7
5A)
Bla
ck/O
rg (7
5B)
Blac
k/Org
(73B
)
Bla
ck/O
rg (7
4B)
CC
-B
CC
-A
Bla
ck (7
3A)
Bla
ck (7
4A)
Viol
et (6
7)
Viol
et (6
6)B
lack
/Whi
te (6
3)
Bla
ck/W
hite
(62
)
Bla
ck/W
hite
(62
)
2 31P
B2
Bla
ck (5
4)
Red
(55)
Gra
y (5
6)
Pin
k (5
8)
Bro
wn
(57)
Gra
y (5
9)
14 6 7 16 9 8 17 14 518 13 4 1 31210 11 2T
ES
T
Brn
/Wht
(86)
Brn
/Wht
(87)
TLS
T
Brn
/Blk
(41)
Brn
/Blk
(42)
BlackBlack
CS
-AC
ircui
t A
BlackBlack
CS
-BC
ircui
t B
Blu
e (4
5)
Blu
e (4
5)
Blu
e (4
6)
Blu
e (4
6)
Blu
e (4
5)
Blu
e (4
6)
Ora
nge
(47)
Ora
nge
(47)
Ora
nge
(47)
Gra
y (4
8)C
onne
ct t
o R
on
TB
Whi
te (6
7)
Whi
te (6
7)
Whi
te (6
7)
Whi
te (6
6)
Whi
te (6
6)
Whi
te (
66)
Blu
e (5
0)N
ot U
sed
Ora
nge
(60)
Ora
nge
(60)
Ora
nge
(60)
Tan
/Whi
te (
82)
Tan
/Whi
te (8
3)
Vio
let (
90)
Black (A)Black (A)
White (B)White (B)
Ora
nge
(61A
)
Ora
nge
(61A
)
Ora
nge
(61B
)
RV
1
RV
2
Ora
nge
(60A
)
Ora
nge
(61A
)
Ora
nge/
Wht
(60
B)
Ora
nge/
Wht
(61
B)
TE
LT
Tan
/Whi
te (
82)
Tan
/Whi
te (8
3)
Tan
/Whi
te (
82)
Tan
/Whi
te (
83)
Bla
ck (4
9)
Blu
e (7
6A)
Blu
e (7
6A)
Blu
e (7
6B)
Blu
e (7
6B)
Blu
e (4
9A)
Blu
e (7
6A)
Blu
e/W
ht (4
9B)
Blu
e/W
ht (7
6B)
BLA
CK
WIR
E H
AR
NE
SS
Bla
ck(1
)
Whi
te (
2)
Red
(3)
Bla
ck(4
)Whi
te (5
)
Red
(6)
Bla
ck(7
)W
hite
(8)
Red
(9)
CPM
1M
2M
1B
lack
(70A
)
CPM
2M
2M
1B
lack
/Org
(70
B)
Yel
low
(80)
Bla
ck (7
2A)
Blac
k (69
B)
Yel
low
(17
)Bla
ck/W
hite
(18
)
Yel
low
(19)
Bla
ck/W
hite
(20
)
NOTE
1
NO
TE 2
NO
TE 3
Not
es
3 -
Dis
conn
ect f
or 15
deg
ree
load
sid
e fre
eze
dete
ctio
n se
tpoi
nt.
4 -
Acc
outp
ut is
cyc
led
with
the
lead
com
pres
sor.
5 -
If no
flow
pro
ving
sw
itch
is b
eing
use
d on
the
load
sid
e, th
e in
put m
ust b
e ju
mpe
red
to P
B2
-2 fo
r the
uni
t to
oper
ate.
2 -
Dis
conn
ect f
or 15
deg
ree
sour
ce s
ide
freez
e de
tect
ion
setp
oint
.
7 -
Jum
pers
mus
t be
set a
s sh
own
for c
orre
ct c
ontro
l ope
ratio
n. If
a c
omm
unic
atio
n
car
d is
pre
sent
, it m
ust b
e re
mov
ed to
che
ck th
e ju
mpe
rs.
6 -
If us
ing
a so
urce
sid
e flo
w p
rovi
ng s
witc
h, h
ook
up a
s sh
own.
If n
o flo
w p
rovi
ng
switc
h is
bei
ng u
sed
on th
e so
urce
sid
e, th
e in
put m
ust b
e ju
mpe
red
to R
for t
he
un
it to
ope
rate
.
1 -
Plac
e sw
itch
to 20
8V p
ositi
on to
ope
rate
uni
t at 2
08V.
8 -
Rev
ersi
ng V
alve
will
be e
nerg
ized
for h
eatin
g m
ode.
10 -M
1 an
d M
2 ar
e lo
cate
d on
the
com
pres
sor p
rote
ctio
n m
odul
es (C
PM1
and
CPM
2)
in
side
of t
he c
ompr
esso
r jun
ctio
n Bo
xes.
Onl
y us
ed o
n 36
0 an
d 54
0 m
odel
s.
9 -
Use
d fo
r Em
erge
ncy
Shut
dow
n in
con
junc
tion
with
a n
orm
ally
ope
n re
layN
OTE
4
NO
TE 5
NO
TE 6
NO
TE 8
NO
TE 8
NO
TE 9
NO
TE 1
0
NO
TE 1
0
Gro
und
Lege
ndC
C –
Com
pres
sor C
onta
ctor
CS
– C
urre
nt S
witc
hEL
T –
Ente
ring
Load
Tem
pES
– E
mer
genc
y Sh
utdo
wn
EST
– En
terin
g So
urce
Tem
pH
P –
Hig
h Pr
essu
reLF
S –
Load
Flo
w S
witc
hLL
T –
Leav
ing
Load
Tem
p
LP –
Low
Pre
ssur
eLS
T –
Leav
ing
Sour
ce T
emp
L-W
CT
– Lo
ad W
ater
Coi
l Tem
pPB
– P
ower
Blo
ck
RV
– R
ever
sing
Val
veSF
S –
Sour
ce F
low
Sw
itch
S-W
CT
– So
urce
Wat
er C
oil T
emp
TB –
Ter
min
al B
oard
PGM
– P
hase
Gua
rd M
onito
r
CPM
– C
ompr
esso
r Pro
tect
ion
Mod
ule
Fact
ory
low
vol
tage
wiri
ngFa
ctor
y lin
e vo
ltage
wiri
ngFi
eld
low
vol
tage
wiri
ngFi
eld
line
volta
ge w
iring
Opt
iona
l blo
ckFi
eld
Supp
lied
Opt
ion
Ther
mis
tor
Rel
ay c
oil
T
Ope
n Ju
mpe
r
Clo
sed
Jum
per
¼” Q
uick
Con
nect
or
NO
TE 1
1
11 -
Onl
y us
ed o
n th
e36
0 an
d 54
0 m
odel
s.
NO
TE 1
1
PGM
81
54
3Phas
eG
uard
Mon
itor
(PG
M)
49
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Wiring Schematics cont.460/60/3
24V
Transformer
SFS
LFS
ES
John
son
FX-1
0
5VD
C
AI3
35 36 37 38
+- AI5
- + AI4
- + AI6 AI2
AI1
5VD
C
5VD
C
LED
- - -+ + +
24VAC
24VAC Com
GROUND
39 40 41
PW
M2
PW
M2
Com
PW
M1
42 43 44 45 46 47 48
24V
AC
Com
DI1
2
DI1
1
DI1
0
DI9
DI8
DI7
49 50 51 52 53 54 55 56
DI 3
/4/5
/6/ C
om
DI6
DI5
DI4
DI3
DI2
DI1
9VD
C
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
D09
D08
D07 D0 6
D05
D04
D03
D02
D01
J8 J2 J10
J9
J7
NO
TE 6
A21A12
A25 A22
A32
A31A35
A23
A13
A11
A15
A14
A24
A34
A33
34
HP-
B
HP-
A
LP-A
LP-B
313029282726252423222120
AI4 EXP5Vdc Com
J2
5Vdc5Vdc Com
AI3 EXP5Vdc
5Vdc ComAI2 EXP
5Vdc5Vdc Com
AI1 EXP5Vdc
1716151413121110
DO324 Vac
DO4DO5
DO6
24 Vac24 Vac Com
J3
24 Vac
J1Main Board Connection
A41
A31
A23
A13
A43
A42
A32
A33
A21
A22
A12
A11
4
3
2
1
D02
D01
6
D07 5
8
D08 7
John
son
FX10
Expa
nsio
n B
oard
Uni
t Pow
er S
uppl
y46
0/60
/3
GP
B1 2 31
( Circ
uit A
)C
ompr
esso
r
CC
1 L1L2
L3
T1T2
T3
Blac
k (1
0)R
ed (1
2)
Whi
te (1
1)
T1T2
S2 S1
Com
pres
sor
Prot
ectio
n
Mod
ule
#1
(CPM
1)
Blu
e
Blu
e
T1
T2
T3
S1 S2
Cur
rent
Sw
itch
CS1
Bla
ck
Bla
ck
Earth
Gro
und
Grn
/Yel
l (88
)
CC2
L1L2
L3
T1T2
T3
Blac
k (1
3)R
ed (1
5)
T1T2
S2
S1
Com
pres
sor
Prot
ectio
n
Mod
ule
#2
(CPM
2)
Blu
e
Blu
e
( Circ
uit B
)T1
T2
T3
S1
S2
Whi
te (1
4)
Cur
rent
Sw
itch
CS2
Bla
ck
Bla
ck
Com
pres
sor
Earth
Gro
und
Grn
/Yel
l (89
)
Bla
ck (F
1)
Bla
ck (F
2)
Bla
ck (F
3)
Bla
ck (F
4)
Bla
ck (F
5)
Bla
ck (F
6)
Bla
ck (F
7)
Bla
ck (F
8)
Bla
ck (F
9)
Bla
ck (F
10)
Bla
ck (F
11)
Bla
ck (F
12)
Bla
ck (F
13)
Bla
ck (F
14)
Bla
ck (F
15)
Bla
ck (F
16)
Bla
ck (F
17)
Bla
ck (F
18)
Bla
ck (F
19)
Bla
ck (F
20)
1234578910 611121316 15 141720 19 18
PB
L1L2
L3
A
33323130292827262524231 6 2 7 3 4 9 5 108
Whi
te/R
ed (8
0)
Whi
te/R
ed (8
1)
Whi
te/B
lue
(33
)W
hite
/Blu
e (3
4)
Yel
low
/Red
(35)
Yel
low
/Red
(36)
Yel
low
/Blu
e (3
7)
Yel
low
/Blu
e (3
8)
Tan
/Bla
ck (8
4)
Tan
/Bla
ck (8
5)
Whi
te/R
ed (
80)
Whi
te/R
ed (
81)
T T TT
Whi
te/B
lue
(33)
Whi
te/B
lue
(34)
Yel
low
/Red
(35
)
Yel
low
/Red
(36
)
TY
ello
w/B
lue
(37)
Yel
low
/Blu
e (3
8)
Tan
/Bla
ck (8
4)
Tan
/Bla
ck (8
5)
S-W
CT
Circ
uit
A
L-W
CT
Circ
uit
A
S-W
CT
Circ
uit
B
L-W
CT
Circ
uit
B
LLT
Bla
ck
Bla
ck/W
hite
Yello
w
Yel
low Y
ello
w
Yel
low
Yel
low
(24
)
Bla
ck (9
5)
Gre
en/Y
ello
w (2
3)
Yel
low
(21)
Bla
ck/W
hite
(22
)
Y1C
OM
P 1
LC1
Com
p A
Ala
rm
RS
DO
-9
X2D
O-7
R24
VA
C
SSD
O-8
LC2
Com
p B
Ala
rm
X1A
cc
C24
VA
C C
OM
TON
OT
US
ED
SCN
OT
US
ED
AIC
NO
T U
SE
D
LN
OT
US
ED
O/B
RE
V V
ALV
E
GN
OT
US
ED
Y2C
OM
P 2
1612829410 7531114 6 13151
TB
Bla
ck (S
S)
Bla
ck (C
)
Bla
ck (R
S)
Bla
ck (R
)
Bla
ck (X
2)
Bla
ck (L
C2
)
Bla
ck (L
C1
)
Bla
ck (X
1)
Bla
ck (Y
1)
Bla
ck (Y
2)
Bla
ck (O
/B)
Bla
ck (G
)
Bla
ck (A
IC)
Bla
ck (S
C)
Bla
ck (L
)
Bla
ck (T
O)
B
2/27
/09
Bla
ck/W
hite
(26)
Bla
ck (3
0)
Bla
ck (3
0)
Bla
ck (2
9)
Bla
ck (2
9)
Yel
low
(25)
Yel
low
(25
)
Bla
ck (2
8)
Bla
ck (2
8)
Bro
wn
(53)
Bro
wn
(53)
Bro
wn
(52)
Bro
wn
(52)
Blu
e (5
1)
Blu
e (5
1)
Bla
ck (7
5A)
Bla
ck/O
rg (
75B)
Bla
ck/O
rg (7
3B)
Bla
ck/O
rg (
74B)
CC
-B
CC
-A
Bla
ck (7
3A)
Bla
ck (7
4A)
Vio
let
(67)
Vio
let (
66)
Bla
ck/W
hite
(63)
Bla
ck/W
hite
(62
)
Bla
ck/W
hite
(62
)
2 31P
B2
Blac
k (54
)
Red
(55)
Gra
y (56
)
Pink
(58)
Brow
n (57
)
Gra
y (59
)
14 6 7 16 9 8 17 14 518 13 4 1 31210 11 2T
ES
T
Brn
/Wht
(86)
Brn
/Wht
(87)
TLS
T
Brn
/Blk
(41)
Brn
/Blk
(42)
BlackBlack
CS
-AC
ircui
t A
BlackBlack
CS
-BC
ircui
t B
Blu
e (4
5)
Blue
(45)
Blu
e (4
6)
Blue
(46)
Blu
e (4
5)
Blu
e (4
6)
Ora
nge
(47)
Ora
nge
(47)
Ora
nge
(47)
Gra
y (48
)C
onne
ct to
R o
n TB
Whi
te (6
7)
Whi
te (6
7)
Whi
te (6
7)
Whi
te (6
6)
Whi
te (6
6)
Whi
te (
66)
Blu
e (5
0)N
ot U
sed
Ora
nge
(60)
Ora
nge
(60)
Ora
nge
(60)
Tan/
Whi
te (8
2)
Tan/
Whi
te (8
3)
Black (A)Black (A)
White (B)White (B)
Ora
nge
(61A
)
Ora
nge
(61A
)
Ora
nge
(61B
)
RV
1
RV
2
Ora
nge
(60A
)
Ora
nge
(61A
)
Ora
nge/
Wht
(60
B)
Ora
nge/
Wht
(61
B)
TE
LT
Tan
/Whi
te (
82)
Tan
/Whi
te (8
3)
Tan
/Whi
te (
82)
Tan
/Whi
te (
83)
Bla
ck (4
9)
Blue
(76A
)
Blu
e (7
6A)
Blue
(76B
)
Blu
e (7
6B)
Blu
e (4
9A)
Blu
e (7
6A)
Blu
e/W
ht (4
9B)
Blu
e/W
ht (7
6B)
BLAC
KW
IRE
HAR
NES
S
Bla
ck(1
)
Whi
te (
2)
Red
(3)
Bla
ck(4
)Whi
te (5
)
Red
(6)
Bla
ck(7
)W
hite
(8)
Red
(9)
CPM
1M
2M
1B
lack
(70A
)
CPM
2M
2M
1B
lack
/Org
(70
B)
Yel
low
(80)
Bla
ck (7
2A)
Bla
ck (6
9B)
Yel
low
(17
)Bla
ck/W
hite
(18
)
Yel
low
(19)
Bla
ck/W
hite
(20
)
NO
TE 1
NO
TE 2
Not
es
2 -D
isco
nnec
t for
15
degr
ee lo
ad s
ide
freez
e de
tect
ion
setp
oint
.
3 -A
cc o
utpu
t is
cycl
ed w
ith th
e le
ad c
ompr
esso
r.4
-If n
o flo
w p
rovi
ng s
witc
h is
bei
ng u
sed
on th
e lo
ad s
ide,
the
inpu
t mus
t be
jum
pere
d
to
PB
2 -2
for t
he u
nit t
o op
erat
e.
1 -D
isco
nnec
t for
15
degr
ee s
ourc
e si
de fr
eeze
det
ectio
n se
tpoi
nt.
6 -J
umpe
rs m
ust b
e se
t as
show
n fo
r cor
rect
con
trol o
pera
tion.
If a
com
mun
icat
ion
c
ard
is p
rese
nt, i
t mus
t be
rem
oved
to c
heck
the
jum
pers
.
5 -I
f usi
ng a
sou
rce
side
flow
pro
ving
sw
itch
, hoo
k up
as
show
n. I
f no
flow
pro
ving
sw
itch
is b
eing
use
d on
the
sour
ce s
ide,
the
inpu
t mus
t be
jum
pere
d to
R fo
r the
unit
to o
pera
te.
7 -R
ever
sing
Val
ve w
ill be
ene
rgiz
ed fo
r hea
ting
mod
e.
9 -M
1 an
d M
2 ar
e lo
cate
d on
the
com
pres
sor p
rote
ctio
n m
odul
es (C
PM1
and
CPM
2)
in
side
of t
he c
ompr
esso
r jun
ctio
n Bo
xes.
Onl
y us
ed o
n 36
0 an
d 54
0 m
odel
s.
8 -U
sed
for E
mer
genc
y Sh
utdo
wn
in c
onju
nctio
n w
ith a
nor
mal
ly o
pen
rela
yNO
TE 3
NO
TE 4
NO
TE 5
NO
TE 7
NO
TE 7
NO
TE 8
NO
TE 9
NO
TE 9
Gro
und
Lege
ndC
C –
Com
pres
sor C
onta
ctor
CS
– C
urre
nt S
witc
hEL
T –
Ente
ring
Load
Tem
pES
– E
mer
genc
y Sh
utdo
wn
EST
– En
terin
g So
urce
Tem
pH
P –
Hig
h Pr
essu
reLF
S –
Load
Flo
w S
witc
hLL
T –
Leav
ing
Load
Tem
p
LP –
Low
Pre
ssur
eLS
T –
Leav
ing
Sour
ce T
emp
L-W
CT
– Lo
ad W
ater
Coi
l Tem
pPB
– P
ower
Blo
ck
RV
– R
ever
sing
Val
veSF
S –
Sour
ce F
low
Sw
itch
S-W
CT
– So
urce
Wat
er C
oil T
emp
TB –
Ter
min
al B
oard
PGM
– P
hase
Gua
rd M
onito
r
CPM
– C
ompr
esso
r Pro
tect
ion
Mod
ule
Fact
ory
low
vol
tage
wiri
ngFa
ctor
y lin
e vo
ltage
wiri
ngFi
eld
low
vol
tage
wiri
ngFi
eld
line
volta
ge w
iring
Opt
iona
l blo
ckFi
eld
Supp
lied
Opt
ion
Ther
mis
tor
Rel
ay c
oil
T
Ope
n Ju
mpe
r
Clo
sed
Jum
per
¼” Q
uick
Con
nect
or
NO
TE 1
0
10 -
Onl
y us
ed o
n th
e 36
0 an
d 54
0 m
odel
s.
NO
TE 1
0
PGM
81
Blu
e
54
3Phas
eG
uard
Mon
itor
(PG
M)
50
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Wiring Schematics cont.575/60/3
24V
Transformer
SFS
LFS
ES
John
son
FX-1
0
5VD
C
AI3
35 36 37 38
+- AI5
- + AI4
- + AI6 AI2
AI1
5VD
C
5VD
C
LED
- - -+ + +
24VAC
24VAC Com
GROUND
39 40 41
PW
M2
PW
M2
Com
PW
M1
42 43 44 45 46 47 48
24V
AC
Com
DI1
2
DI1
1
DI1
0
DI9
DI8
DI7
49 50 51 52 53 54 55 56
DI 3
/4/5
/6/ C
om
DI6
DI5
DI4
DI3
DI2
DI1
9VD
C
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
D09
D08
D07 D0 6
D05
D04
D03
D02
D01
J8 J2 J10
J9
J7
NO
TE 6
A21A12
A25 A22
A32
A31A35
A23
A13
A11
A15
A14
A24
A34
A33
34
HP-
B
HP-
A
LP-A
LP-B
313029282726252423222120
AI4 EXP5Vdc Com
J2
5Vdc5Vdc Com
AI3 EXP5Vdc
5Vdc ComAI2 EXP
5Vdc5Vdc Com
AI1 EXP5Vdc
1716151413121110
DO324 Vac
DO4DO5
DO6
24 Vac24 Vac Com
J3
24 Vac
J1Main Board Connection
A41
A31
A23
A13
A43
A42
A32
A33
A21
A22
A12
A11
4
3
2
1
D02
D01
6
D07 5
8
D08 7
John
son
FX10
Expa
nsio
n B
oard
Uni
t Pow
er S
uppl
y57
5/60
/3
GP
B1 2 31
( Circ
uit A
)C
ompr
esso
r
CC
1 L1L2
L3
T1T2
T3
Blac
k (1
0)R
ed (1
2)
Whi
te (1
1)
T1T2
S2 S1
Com
pres
sor
Prot
ectio
n
Mod
ule
#1
(CPM
1)
Blue
Blue
T1
T2
T3
S1 S2
Cur
rent
Sw
itch
CS1
Blac
k
Blac
k
Earth
Gro
und
Grn
/Yel
l (88
)
CC2
L1L2
L3
T1T2
T3
Blac
k (1
3)R
ed (1
5)
T1T2
S2
S1
Co
mp
ress
or
Pro
tect
ion
Mo
du
le #
2
(CP
M2
)
Blu
e
Blu
e
( Circ
uit B
)T1
T2
T3
S1
S2
Whi
te (1
4)
Cur
rent
Sw
itch
CS2
Bla
ck
Bla
ck
Com
pres
sor
Ear
th G
roun
d
Grn
/Yel
l (89
)
Bla
ck (F
1)
Bla
ck (F
2)
Bla
ck (F
3)
Bla
ck (F
4)
Bla
ck (F
5)
Bla
ck (F
6)
Bla
ck (F
7)
Bla
ck (F
8)
Bla
ck (F
9)
Bla
ck (F
10)
Bla
ck (F
11)
Blac
k (F
12)
Blac
k (F1
3)
Blac
k (F1
4)
Blac
k (F
15)
Blac
k (F1
6)
Blac
k (F1
7)
Blac
k (F
18)
Blac
k (F
19)
Blac
k (F
20)
1234578910 611121316 15 141720 19 18
PB
L1L2
L3
A
33323130292827262524231 6 2 7 3 4 9 5 108
Whi
te/R
ed (8
0)
Whi
te/R
ed (8
1)
Whi
te/B
lue
(33
)W
hite
/Blu
e (3
4)
Yello
w/R
ed (3
5)
Yello
w/R
ed (3
6)
Yello
w/B
lue (
37)
Yello
w/B
lue (
38)
Tan/
Blac
k (84
)
Tan/
Blac
k (85
)
Whi
te/R
ed (8
0)
Whi
te/R
ed (8
1)T T TT
Whi
te/B
lue (
33)
Whi
te/B
lue (
34)
Yello
w/R
ed (3
5)
Yello
w/R
ed (3
6)
TYe
llow
/Blu
e (37
)
Yello
w/B
lue (
38)
Tan
/Bla
ck (8
4)
Tan
/Bla
ck (8
5)
S-W
CT
Circ
uit
A
L-W
CT
Circ
uit
A
S-W
CT
Circ
uit
B
L-W
CT
Circ
uit
B
LLT
Bla
ck
Bla
ck/W
hite
Yel
low
Yello
w Yello
w
Yello
w
Yello
w (2
4)
Blac
k (95
)
Gre
en/Y
ello
w (2
3)
Yel
low
(21)
Bla
ck/W
hite
(22
)
Y1C
OM
P 1
LC1
Com
p A
Ala
rm
RS
DO
-9
X2D
O-7
R24
VA
C
SSD
O-8
LC2
Com
p B
Ala
rm
X1A
cc
C24
VA
C C
OM
TON
OT
US
ED
SCN
OT
US
ED
AIC
NO
T U
SE
D
LN
OT
US
ED
O/B
RE
V V
ALV
E
GN
OT
US
ED
Y2C
OM
P 2
1612829410 7531114 6 13151
TB
Bla
ck (S
S)
Bla
ck (C
)
Bla
ck (R
S)
Bla
ck (R
)
Bla
ck (X
2)
Bla
ck (L
C2
)
Bla
ck (L
C1
)
Bla
ck (X
1)
Bla
ck (Y
1)
Bla
ck (Y
2)
Bla
ck (O
/B)
Bla
ck (G
)
Bla
ck (A
IC)
Bla
ck (S
C)
Bla
ck (L
)
Bla
ck (T
O)
B
2/27
/09
Bla
ck/W
hite
(26)
Blac
k (30
)
Blac
k (30
)
Blac
k (29
)
Blac
k (29
)
Yello
w (2
5)
Yello
w (2
5)
Blac
k (28
)
Bla
ck (2
8)
Brow
n (53
)
Bro
wn
(53)
Bro
wn
(52)
Brow
n (52
)
Blue
(51)
Blu
e (5
1)
Bla
ck (7
5A)
Bla
ck/O
rg (
75B)
Bla
ck/O
rg (7
3B)
Bla
ck/O
rg (
74B)
CC
-B
CC
-A
Bla
ck (7
3A)
Bla
ck (7
4A)
Vio
let
(67)
Vio
let (
66)
Bla
ck/W
hite
(63)
Bla
ck/W
hite
(62
)
Blac
k/W
hite
(62)
2 31P
B2
Blac
k (54
)
Red
(55)
Gra
y (56
)
Pink
(58)
Brow
n (57
)
Gra
y (59
)
14 6 7 16 9 8 17 14 518 13 4 1 31210 11 2T
ES
T
Brn
/Wht
(86)
Brn
/Wht
(87)
TLS
T
Brn
/Blk
(41)
Brn
/Blk
(42)
BlackBlack
CS
-AC
ircui
t A
BlackBlack
CS
-BC
ircui
t B
Blue
(45)
Blue
(45)
Blu
e (4
6)
Blue
(46)
Blue
(45)
Blue
(46)
Ora
nge
(47)
Ora
nge
(47)
Ora
nge
(47)
Gra
y (48
)C
onne
ct to
R o
n TB
Whi
te (6
7)
Whi
te (6
7)
Whi
te (6
7)
Whi
te (6
6)
Whi
te (6
6)
Whi
te (
66)
Blu
e (5
0)N
ot U
sed
Ora
nge
(60)
Ora
nge
(60)
Ora
nge
(60)
Tan/
Whi
te (8
2)
Tan/
Whi
te (8
3)
Black (A)Black (A)
White (B)White (B)
Ora
nge
(61A
)
Ora
nge
(61A
)
Ora
nge
(61B
)
RV
1
RV
2
Ora
nge
(60A
)
Ora
nge
(61A
)
Ora
nge/
Wht
(60
B)
Ora
nge/
Wht
(61
B)
TE
LT
Tan
/Whi
te (
82)
Tan
/Whi
te (8
3)
Tan
/Whi
te (
82)
Tan
/Whi
te (
83)
Bla
ck (4
9)
Blue
(76A
)
Blu
e (7
6A)
Blue
(76B
)
Blu
e (7
6B)
Blu
e (4
9A)
Blu
e (7
6A)
Blu
e/W
ht (4
9B)
Blu
e/W
ht (7
6B)
BLAC
KW
IRE
HAR
NES
S
Bla
ck(1
)
Whi
te (
2)
Red
(3)
Blac
k(4)W
hite
(5)
Red
(6)
Bla
ck(7
)W
hite
(8)
Red
(9)
CPM
1M
2M
1B
lack
(70A
)
CPM
2M
2M
1B
lack
/Org
(70
B)
Yello
w (8
0)
Bla
ck (7
2A)
Bla
ck (6
9B)
Yel
low
(17
)Bla
ck/W
hite
(18
)
Yello
w (1
9)
Blac
k/W
hite
(20)
NO
TE 1
NO
TE 2
Not
es
2 -D
isco
nnec
t for
15
degr
ee lo
ad s
ide
freez
e de
tect
ion
setp
oint
.3
-Acc
out
put i
s cy
cled
with
the
lead
com
pres
sor.
4 -I
f no
flow
pro
ving
sw
itch
is b
eing
use
d on
the
load
sid
e, th
e in
put m
ust b
e ju
mpe
red
to P
B2
-2 fo
r the
uni
t to
oper
ate.
1 -D
isco
nnec
t for
15
degr
ee s
ourc
e si
de fr
eeze
det
ectio
n se
tpoi
nt.
6 -J
umpe
rs m
ust b
e se
t as
show
n fo
r cor
rect
con
trol o
pera
tion.
If a
com
mun
icat
ion
c
ard
is p
rese
nt, i
t mus
t be
rem
oved
to c
heck
the
jum
pers
.
5 -I
f usi
ng a
sou
rce
side
flow
pro
ving
sw
itch,
hoo
k up
as
show
n. I
f no
flow
pro
ving
sw
itch
is b
eing
use
d on
the
sour
ce s
ide,
the
inpu
t mus
t be
jum
pere
d to
R fo
r the
u
nit t
o op
erat
e.
7 -R
ever
sing
Val
ve w
ill be
ene
rgiz
ed fo
r hea
ting
mod
e.
9 -
M1
and
M2
are
loca
ted
on th
e co
mpr
esso
r pro
tect
ion
mod
ules
(CPM
1 an
d C
PM2)
insi
de o
f the
com
pres
sor j
unct
ion
Boxe
s. O
nly
used
on
360
and
540
mod
els.
8 -U
sed
for E
mer
genc
y Sh
utdo
wn
in c
onju
nctio
n w
ith a
nor
mal
ly o
pen
rela
y.NO
TE 3
NO
TE 4
NO
TE 5
NO
TE 7
NO
TE 7
NO
TE 8
NO
TE 9
NO
TE 9
Gro
und
Lege
ndC
C –
Com
pres
sor C
onta
ctor
CS
– C
urre
nt S
witc
hEL
T –
Ente
ring
Load
Tem
pES
– E
mer
genc
y Sh
utdo
wn
EST
– En
terin
g So
urce
Tem
pH
P –
Hig
h Pr
essu
reLF
S –
Load
Flo
w S
witc
hLL
T –
Leav
ing
Load
Tem
p
LP –
Low
Pre
ssur
eLS
T –
Leav
ing
Sour
ce T
emp
L-W
CT
– Lo
ad W
ater
Coi
l Tem
pPB
– P
ower
Blo
ck
RV
– R
ever
sing
Val
veSF
S –
Sour
ce F
low
Sw
itch
S-W
CT
– So
urce
Wat
er C
oil T
emp
TB –
Ter
min
al B
oard
PGM
– P
hase
Gua
rd M
onito
r
CPM
– C
ompr
esso
r Pro
tect
ion
Mod
ule
Fact
ory
low
vol
tage
wiri
ngFa
ctor
y lin
e vo
ltage
wiri
ngFi
eld
low
vol
tage
wiri
ngFi
eld
line
volta
ge w
iring
Opt
iona
l blo
ckFi
eld
Supp
lied
Opt
ion
Ther
mis
tor
Rel
ay c
oil
T
Ope
n Ju
mpe
r
Clo
sed
Jum
per
¼” Q
uick
Con
nect
or
NO
TE 1
0
10 -
Onl
y us
ed o
n th
e 36
0 an
d 54
0 m
odel
s.
NO
TE 1
0B
lue
PGM
Y-O
UT
Y C
L3L2
L1Phas
eG
uard
Mon
itor
(PG
M)
51
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
GeneralThe liquid source Reversible Chiller water-to-water heat
pump shall be a single packaged reverse-cycle heating/
cooling unit. The unit shall be listed by a nationally
recognized safety-testing laboratory or agency, such as
ETL Testing Laboratory, Underwriters Laboratory (UL), or
Canadian Standards Association (CSA). The unit shall be
rated in accordance with Air Conditioning, Heating, and
Refrigeration Institute/International Standards Organization
(AHRI/ISO) and Canadian Standards Association (CSA-US).
The liquid source Reversible Chiller water to water heat
pump unit, as manufactured by WaterFurnace International,
Fort Wayne, Indiana, shall be designed to operate with
source liquid temperatures between 30°F [1.1°C] and 110°F
[43.3°C] in cooling, and between 20°F [-6.7°C] and 90°F
[32.2°C] in heating.
Factory Quality
Each unit shall be run tested at the factory using water.
Quality control system shall automatically perform via
computer: triple leak check, pressure tests, evacuate and
accurately charge system, perform detailed heating and
cooling mode tests, and quality cross check all operational
and test conditions to pass/fail criteria. Units tested
without water flow are not acceptable. The units shall be
warranted by the manufacturer against defects in materials
and workmanship for a period of 12 months from startup or
18 months from shipment.
Optional Extended Warranty - Extended warranty
coverage shall be available.
Frame and Cabinet
Each unit shall be pallet mounted. The frame shall be 10
gauge welded steel coated with gloss black polyester
powder coat paint. Paint shall be rated for 1,000 hours of
salt spray using ASTM B117.
Optional Enclosure - Optional painted sheet metal
enclosure shall be factory installed. The optional
acoustical enclosure shall be constructed of heavy
gauge G60 galvanized sheet metal (Top panel – 18
gauge, Corner panels – 18 gauge, and side panels – 20
gauge) and polyester, powder coated, gloss white.
Paint shall be rated for 1,000 hours of salt spray using
ASTM B117. All panels shall be lined with 1/2 inch [12.7
mm] thick, 1-1/2 lb./cu. ft. density, acoustic type, glass
fiber insulation. All insulation must meet NFPA 90A.
This material shall also provide acoustical benefit. The
unit must have a minimum of three access panels for
serviceability of the compressor compartment. Units
having only one access panel to compressor/heat
exchangers/expansion device/refrigerant piping shall
not be acceptable.
The control box shall have separate holes and knockouts
for entrance of line voltage and low voltage control
wiring. All factory-installed wiring passing through factory
knockouts and openings shall be protected from sheet
metal edges at openings by plastic ferrules.
Refrigerant Circuit
All units shall contain 2 sealed refrigerant circuits, each
containing a hermetic motor scroll compressor,
bidirectional, thermal expansion valve assemblies, reversing
valve, braze plate heat exchangers, factory installed high
and low pressure safety switches, freeze detection, service
ports, and liquid line filter dryers. Compressors shall be
designed for heat pump duty with internal isolation and
mounted on rubber vibration isolators. Compressor motors
shall have internal overload protection. A high density
sound attenuating blanket shall be factory installed around
the compressor to reduce sound. The water to refrigerant
heat exchangers shall be interlaced copper-brazed and
316 stainless steel plate, capable of withstanding 650
psig [4489 kPa] working pressure on the refrigerant side
and 450 psig [3108 kPa] on the water side. The thermal
expansion valve assembly shall provide proper superheat
over the liquid temperature range with minimal “hunting.”
The assembly shall operate bidirectionally without the use
of check valves. Externally mounted pressure controlled
water regulating flow valves are not acceptable.
Piping and Connections
The units shall have one set of water in and water out
connections (heat exchangers are internally piped in
parallel). The connection shall be a 2 in. [50.8 mm] Victaulic
type grooved mechanical fitting. Grooved couplings shall
meet the requirements of ASTM F-1476. Pipes shall be
carbon steel, A-53B/A-106B. Pipe ends to be grooved in
accordance with standards conforming to ANSI/AWWA
C-606. Coupling shall be cast of ductile iron conforming to
ASTM A-536, Grade 65-45-12 or malleable iron conforming
to ASTM A-47, Grade 32510. Gaskets shall be Grade “E”
EPDM compound conforming to ASTM D-2000 Designation
2CA615A25B24F17Z.
Electrical
Controls and safety devices will be factory wired and
mounted within the unit. Controls shall include 24 Volt
activated compressor contactors, 24VAC-75VA transformer
with built in circuit breaker, reversing valve coils, and
anti short-cycle protection. A terminal block with screw
in terminals will be provided for field control wiring.
To prevent short cycling when the safety controls are
activated, the reset relay shall provide a lockout circuit that
requires resetting of low voltage supply or main circuit
breaker. A lockout signal shall be provided to the display
to indicate a lockout situation. Units shall be name-plated
Engineering Guide Specifications
52
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Engineering Guide Specifications cont.for use with time delay fuses or HACR circuit breakers. Unit
controls shall be 24 Volt and provide heating or cooling as
required by the remote thermostat/sensor. Phase Guard
protection shall be added to each unit to protect the
compressor against loss of phase and reverse rotation.
Phase guard control shall be factory installed.
Microprocessor ControlThe unit shall be controlled using an FX10 microprocessor
which sequences all functions and modes of operations.
The control shall interface with a (Y,B) thermostat,
mechanical or electronic. The control shall have the ability
to communicate with N2 Open, BacNet or LonWorks
protocols with optional communication card. The control
system shall have the following features:
Anti-short cycle time delay on compressor operation, 1.
time delay shall be a minimum of 5 minutes
Random start on power up mode2.
Low voltage protection3.
High voltage protection4.
Unit shutdown on high or low refrigerant pressures5.
Unit shutdown for freeze detection6.
Source and Load heat exchanger freeze detection 7.
setpoint selectable for water or antifreeze
Automatic intelligent reset (Unit will automatically 8.
reset 5 minutes after trip if the fault has cleared. Should
a fault reoccur 3 times sequentially then permanent
lockout will occur.)
A 4 x 20 digit backlit LCD to display the following: 9.
a. Entering and leaving water temperatures
b. High pressure, low pressure, low voltage, high
voltage, freeze detection setpoint, and control
status
The low pressure shall not be monitored for the first 120 10.
seconds after a compressor start command to prevent
nuisance safety trips
Remote fault indication on the thermostat11.
An accessory relay output tied to each compressor 12.
selectable for normally open or normally closed
Optional N2 Open, BacNet or LonWorks - Units shall
have all the features listed above and the control board
will be supplied with a interface card of choice. This will
permit all units to be daisy chain connected by a 2-wire
twisted pair shielded cable. The following points must
be available at a central or remote computer location:
1. Space temperature
2. Source leaving water temperature
3. Load leaving water temperature
4. Command of temperature setpoint
5. Cooling status
6. Heating status
7. Unoccupied/Occupied command
8. Compressor shutdown (load shedding) command
9. Emergency shutdown command
10. Cooling command
11. Heating command
AccessoriesHeavy Duty Mounting Springs
WaterFurnace P/N - IS-325-01 (NXW096-360), IS-750-01 (NXW540)Heavy duty mounting springs shall be available for corner
mounting and 3 dBA noise reduction. Springs shall be field
adjustable and load rated for application.
Flow Proving Switch
WaterFurnace P/N - FPS300A flow proving switch shall be available utilizing high
reliability flow sensing technology.
Strainer Connection Kit
WaterFurnace P/N - CKNDW1A strainer connection kit shall be available and includes a
2 in. [50.8 mm] Y-strainer with self-aligning screen and 1
in. [25.4 mm] blow-off port to reduce debris that will enter
the heat exchanger. Strainers should be made of a brass
body with a 316 stainless steel screen. Connection kit shall
also include two 2 in. [50.8 mm] wrought copper tees with
integral pressure/temperature port.
Adaptors
WaterFurnace P/N - CKV160FPT (2" FPT Adaptor)* CKV160FL (2" Flange Pipe Adaptor)* TKC16S-4 (2" MPT/2" Victaulic Hose)* *Includes 4 adaptorsAccessory adaptors shall be available to connect the
Victaulic type fitting to a 2 in. [50.8 mm] IPT and to a 2 in.
[50.8 mm] bolted flange. Accessory adaptors shall also be
available to connect the Victaulic type fitting to a 2 in. MPT
through a braided stainless steel flexible hose with a 400
psi burst rating and a 2 in. pipe union.
53
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Notes
54
NXW REVERSIBLE CHILLER SPECIFICATION CATALOG
Notes
Manufactured by
WaterFurnace International, Inc.
9000 Conservation Way
Fort Wayne, IN 46809
www.waterfurnace.com
©2010 WaterFurnace International, Inc., 9000 Conservation Way, Fort Wayne, IN 46809-9794. WaterFurnace has a policy of continual product research and development
and reserves the right to change design and specifications without notice.
Product: Envision NXW
Type: Reversible Chiller - 60 Hz
Size: 8-50 Tons
Document: Specification CatalogSC1002WN 02/10