evapco eco-cooler overview
DESCRIPTION
With the improvements made by EVAPCO customers can now save water and energy by running fluid coolers in dry mode operation.TRANSCRIPT
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eco-Coolers
Environmentally Conscious Operation
Featuring Water & Energy Conserving Technology
The NEW Family of Closed Circuit Coolers
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eco-ATW
Ellipti-fin™ Spiral Fin Coil!
NEW!
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New Ellipti-fin™ Coil Technology
• Spiral Fins Applied to the Thermal-Pak Coil!
• All Rows are Finned!
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New Ellipti-fin™ Coil Technology
Increases Evaporative Capacity In the Wet Mode…Energy Savings!
• 3 Fins Per Inch• Increased
Evaporative Capacity
• Same Footprint• Less Horsepower• Increased Dry
Capacity
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eco-ATW
Two Modes of Operation:
Evaporative Mode
(Latent Heat Transfer)
Energy Savings
Dry Mode
(Sensible Heat Transfer)Water Savings
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Wet Operation: Dry Operation:
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eco-ATWE
Water Efficient Mode (Combined Evaporative and Dry Mode)
Third Mode of Operation:
• Two Pumps• Two Water Distribution
Systems• Two Ellipti-fin™ Coils• Air Tight Partition
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Hybrid Operation:
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eco-ATWE
• Dedicated Pump and Water
Distribution System
per Coil
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eco-ATWE
• Air Tight Partition
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eco-ATWE
The Ideal Solution for:
• Lower Energy Consumption
• Reduced Water Usage
• High Dry Bulb Switchover Points
• Built in Redundancy
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Water & Energy Conservation
Ensures Predicted Water and Energy Usage
• The NEW ® Water and Energy Conservation Control System is Available with the eco-ATW!
• The NEW ® Water and Energy Conservation Control System is Standard on eco-ATWE!
• Can Be Programmed With Energy Savings or Water Savings Priority
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Water & Energy Conservation
• A NEMA 4 Painted Steel Enclosure
• Single Point Power with Main Disconnect
• Transformer for Low Voltage
• UL & cUL Approval
• Climate Controlled
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Water & Energy Conservation
• 10” Touch Screen with Color Display
• Weather Enclosure for HMI
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Water & Energy Conservation
• Allen-Bradley PLC
• One VFD per Fan Motor
• One Starter per Spray Pump Motor
• Four Temperature Sensors: – 1) Fluid In– 2) Fluid Out– 3) Ambient Dry Bulb Temperature– 4) Basin Water Temperature
• Interface to BAS via MODBUS
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• Manual Bypass Connectors Around VFD
• Heater Control Package w/ Contactor and Overload Protection and Fusing
• 5-Probe Electronic Water Level Control Package
• High Water Level Alarm Contact(s)
• Low Water Level Alarm Contact(s)
• Fan Motor: Space Heater
Standard Features Additional Features• Discharge Hood Damper
Actuator
• Vibration Switch
• Pulse~Pure
Water & Energy Conservation
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• Since the Sage panel uses a PLC, it can adjust the various mode of operation switch points as the system load changes throughout the day by measuring and analyzing the following data points:
• Inlet Temperature, Outlet Temperature, Dry Bulb Temperature, VFD Speed, Fan RPM, Pump Status – On/Off.
Water & Energy Conservation
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– Manually Enable De-Icing Sequence– Automatic De-Icing Sequence
• Program Temperature Set points• Program Duration for Sequence• Set Time Requirement Between De-Icing Sequences of
Operation
Water & Energy Conservation
De-Icing Sequence
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• Manual Operation of Pumps and Fans
• Ability to Enable or Disable Make-Up Valve for Winter Operation
• Power Failure Recovery Timer With The Ability To Restart At Previous Operating Set Points
• Ability to Perform Bump Test
• Visual Status Display of All Unit Components and Accessories
• Contacts and Counter With an Analog Signal for (Customer Supplied) Make-Up and Drain Water Meter(s)
• Contacts and Analog Signal for (customer supplied) Conductivity Meter
• Backup with User Settings and Factory Settings
• Pump Run Time Recorder
• Fan Motor Run Time Recorder
Additional Programming Benefits
Water & Energy Conservation
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Water & Energy Conservation
• Heater
• Intake/Exhaust Fan
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Performance
• Constant Load (Minneapolis, MN)• 650 gpm (water) 95°F / 85°F / 78°F EWB• Reduce Pump HP vs. ESWA• Reduced Total HP and Footprint vs. ATWB
eco-ATW
12-6L12-Zeco-ATWE
12-6L12-Z ESWA 144-34L ATWB 17-5K12-Z
Fan Motor HP 25 25 25 (2) 20
Spray Pump HP 5 (2) 2 10 (2) 3
Box Size (ft) 12x12 12x12 12x12 17x12
Weight (lbs.) 37,530 38,115 24,880 39,700
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Load Profile – Commercial HVAC
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Eco-ATWE (Water Savings Priority)
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UnitTotal Pump
(HP)Total Fan
(HP) Footprint HeightDrybulb
SwitchoverWater Usage
(gal)% Water Savings
Energy Usage (KW-hr)
% Energy Savings
ESWA 102-46K 7.5 20 8.5'x12' 17' 4" N/A 1,122,902 N/A 56,160 N/AATWB 17-3J12-Z 6 30 17'x12' 11' 11-3/4" 2.7 830,902 26% 31,253 44%eco-ATW 10-3J18 7.5 15 10'x18' 13' 5-7/8" 33.5 520,858 54% 19,877 65%
eco-ATWE 10-3J18 6 15 10'x18' 13' 5-7/8" 33.5 407,314 64% 17,967 68%
Buffalo630 GPM (30%PG), 95/85/75 F
Performance
• Pump hp Savings
• Fan hp Savings
• Footprint Savings
• Height Savings
• Higher Dry Bulb Switchover
• Water Usage Savings
• Energy Usage Savings