4-2. wired remote controller
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Modification history
Date Ver. Modifier Modified detail Remarks
10 Nov 14 1.0 Ken Song - Issued based on Online training contents.
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Start up
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The installation of the air conditioners in the new building has been completed.
The next step is to connect the indoor unit and the Wired R/C.
Let’s take a look.
Situation
Situation 1
Start 》
Which ports should the wires be connected to?
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Now that installation is
done, try wiring the indoor unit and the
Wired R/C.
Ok.
I’ll give it a try.
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The Wired R/C has
2 connecters in the back…
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Hmm... the indoor unit has a lot of connecters!
Is it F3, F4? Or V1, V2?
Which ports
should the
wires be
connected to?
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Let’s take a look at the MWR-WE10N R/C and the PCB of the indoor units.
Please click/link all the parts of the indoor unit to each of the Wired remote
controller connection points.
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Display & keys
Overview
In this course, you are going to take a look at the Wired remote controller,
MWR-WE10N.
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Overview
Display & keys
Time and schedule (7 days)
Indoor unit status
Keys for indoor unit control
Keys for common function setting
Keys for common ERV control
ERV status
Common status
Direct keys
Displaying operation status of the indoor unit and ERV
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Overview
Display & keys
Communication and power cables are unified. (4 wires→2 wires)
Temperature sensor
Power/ Communication unified connector
Software upgrade connector (20-Pin, S-converter)
Backup battery for current time keeping
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Learning objectives
Below are the learning objectives of the course.
Please read carefully before proceeding.
The outline and contents of this course are listed below.
Course Outline Contents
Start up
Learn up
Wrap up
Situation
Overview
Learning objectives
General Introduction
Installation
Advanced setting
Quiz
Summary
More resources
Outro
Chapter 1
Chapter 2
• Identify and understand the functions, structure, connections, and settings
of the MWR-WE10N
• Know how to use the MWR-WE10N R/C
By the end of this course, you will be able to
Chapter 3
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Learn up
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General instruction
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Main function and features Wired R/C(MWR-WE10N)
Control &
Monitoring
- Individual or group control : Maximum 16 units - A/C, ERV, ERV+
- Control, monitoring and error display
- Filter replacement alarm display and reset
Schedule - Weekly operating schedule: A/C only, ERV only, A/C + ERV
Convenient
functions
- Built-in room temperature sensor
- Clear and bright screen with LCD backlight
- Wireless remote control restriction
- Child lock with different button permission levels.
- Quiet and sleep mode
- Real-time clock function: Current time/day display, summer time
- Individual blade control (4-way cassette type)
- Purifier mode: Virus doctor (S-Plasma ion)
Energy saving
- Setting temperature limit : The lowest/highest limit
- Automatic operation stop function
- Energy saving operation mode with ERV
- Motion detection sensor function (4-way cassette (600 x 600))
Environment
Setting - User mode
- Service mode
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Connection Individual control
Connection
Control
Display
Error occurrence
1:1
Connected indoor unit
Operation status of the connected indoor unit
Displays an indoor unit error
Control 1 indoor unit with 1 Wired remote controller
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Connection
Connection
Control
Display
Error occurrence
1 : N (Max. 16 units)
All connected indoor units
Operation status of connected View master indoor unit
Displays the error if an error occurs in one of indoor unit
Group control
Control multiple indoor units with 1 Wired remote controller
1:N (Max. 16 units)
Length of transmission wiring
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Connection Length of transmission wiring
- Refer to the installation manual - No polarity
Maximum distance between the farthest indoor unit and the Wired remote controller : 100 m
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Connection
Connection
Control
Display
Error occurrence
Control multiple indoor units that are connected to
different outdoor units with 1 Wired remote controller.
1 : N (Max. 16 units)
All connected indoor units
Operation status of connected View master indoor unit
Displays error if it occurs in one indoor unit
Group control
Precaution
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Connection
Connection
Control
Display
Error occurrence
Control multiple indoor units that are connected to
different outdoor units with 1 Wired remote controller.
1 : N (Max. 16 units)
All connected indoor units
Operation status of connected View master indoor unit
Displays error if it occurs in one indoor unit
Group control
Precaution
• Main addresses of multiple indoor units should be set differently.
• Or outdoor units` addresses should be set differently.
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Connection
Connection
Control
Display
Error occurrence
Control multiple indoor units with 2 Wired remote controllers
2 : N (Max. 16 units)
All connected indoor units
Two Wired remote controllers identically display the operation status of the indoor unit.
Displays error if it occurs in one indoor unit
Group control
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Connection
Connection
Control
Display
Error occurrence
Control multiple indoor units and ERVs (New Protocol)
with 1 Wired remote controller
1 : N (Max. 16 units)
All connected indoor units and ERVs
Operation status of connected View master indoor unit and ERV
Displays error if it occurs in one indoor unit or ERV
Group control
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Connection
Connection
Control
Display
Error occurrence
Control multiple indoor units and ERVs (New Protocol)
with 2 Wired remote controllers
2 : N (Max. 16 units)
All connected indoor units and ERVs
Two Wired remote controllers identically display the operation status of the indoor unit and ERV.
Displays error if it occurs in one indoor unit or ERV
Learn More : Display priority +
Group control
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Connection Display priority
Case 1 Case 2
View master indoor unit
Wired R/C display State display of the indoor unit that is set as View master indoor unit
(Service mode menu: 7-1 ).
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Connection Display priority
Case 1 Case 2
Wired R/C display State display of the indoor unit with the lowest Main address
If a View master indoor unit is not selected,
the lowest Main address IDU's state will be displayed.
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Installation
This section is about installation and deals with the following issues below.
You can identify their functions, structure, connections, and ways to use and
set codes.
• Installation
• Wiring
• Tracking
• Error display
Introduction
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Installation
Installation on the wall
Push the two hooks at the bottom of your Wired remote controller at the same
time, and then pull up the front cover to separate it from the rear cover.
Disassembly Mounting Reassembly Arrangement
Insert a flat head screwdriver into the square groove in the upper
area of the hook to disassemble it easily.
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Installation
Installation on the wall
Disassembly Mounting Reassembly Arrangement
Arrange the power cable and the communication cable so that they fit in the
housing along with the edges of the rear cover.
When the cable is not concealed When the cable is concealed
If you need more space for the wiring work, you can take it off.
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Installation
Installation on the wall
Disassembly Mounting Reassembly Arrangement
Using more than two screws, firmly affix the rear cover of the remote controller to
the wall and connect the communication cable (F3,F4), making sure these
cables have reasonable length, to the terminal at the back of the cover.
Before fixing the rear cover, secure at least 10
mm (0.4 inch) of space in the upper side,
left side, right side, as well as 50 mm (2 inches)
of space at the bottom.
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Installation
Installation on the wall
Disassembly Mounting Reassembly Arrangement
Using more than two screws, firmly affix the rear cover of the remote controller to
the wall and connect the communication cable (F3,F4), making sure these
cables have reasonable length, to the terminal at the back of the cover.
You must fit the screws into the screw holes.
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Installation
Installation on the wall
Disassembly Mounting Reassembly Arrangement
Using more than two screws, firmly affix the rear cover of the remote controller to
the wall and connect the communication cable (F3,F4), making sure these
cables have reasonable length, to the terminal at the back of the cover.
Do not tighten the screws
on the PCB terminal with
excessive force.
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Installation
Installation on the wall
Disassembly Mounting Reassembly Arrangement
Reassemble your Wired remote controller. Align the controller with the upper
groove and insert it by turning it downward as shown in figure A.
After the assembly, check and confirm that
no wires are stuck in the gap between the rear
and front covers.
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Wiring
1 indoor unit with 1 Wired remote controller
Indoor unit
PCB terminal
Power comm. Wire (field wiring)
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Wiring
Multiple indoor units with 1 Wired remote controller
Connect to all F3-F4 terminals.
Do not connect to V1 and V2.
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Tracking
There are four procedures often used to connect the Wired R/C to indoor units.
MWR-WE10N
Tracking procedures
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Tracking
Tracking procedures
Power reset
01
Registration
(Start)
02
Registration
(Success)
Normal
operation
03 04
All the LCD
segments are ON for
one second.
Two segments on the
temperature display
rotate clockwise to
search for indoor unit
registration process.
Then, the power
resets automatically.
Displays all
connected unit
quantities (AC + ERV).
Displays the
connected unit
operation state.
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Tracking
Reset function
When we need to reset the Wired R/C, we can use the reset function.
No need to turn power OFF and ON again to restart.
* After reset, all of LCD segments are
turned OFF and ON again.
And then the tracking procedure starts.
Press keys together for 5 seconds
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Error display
Error display priority
Priority of error display is “Wired R/C error > Indoor unit error > ERV error.”
If the indoor unit and the Wired R/C have errors at the same time,
the Wired R/C displays its error.
Wired R/C Indoor unit ERV
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Error display
Error display priority
Wired R/C error Indoor unit error ERV error
E6** : Error code
Communication error between Wired R/C
and indoor/ERV units after successful
communication.
E601 error code
Wired R/C (MWR-WE10N) error codes +
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Error display
Error display priority
Wired R/C error Indoor unit error ERV error
Indoor unit Main address: 07, Error code: E101
Wired R/C (MWR-WE10N) error codes +
Indoor unit Outdoor
unit address Error code
Indoor unit address
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Error display
Error display priority
Wired R/C error Indoor unit error ERV error
ERV unit Main address: 07, Error code: E121
Wired R/C (MWR-WE10N) error codes +
Ventilator(ERV) ERV unit address Error code
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Wired R/C(MWR-WE10N) error codes
Display Description
601 Communication error between the Wired remote controller and the
indoor/ERV units after successful communication.
602 No communication between master (main) and slave (sub) Wired
R/Cs.
604 No communication between the Wired remote controller and the
indoor/ERV units
618 Over 16 indoor/ERV indoor units installed.
627 Two or more Wired R/Cs set as slave (sub).
653 Temperature sensor open/short error.
654 EEPROM read, write error
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Service mode
This section is about the main features of each model,
dealing with the following issues:
Introduction
• Service mode (configuration and entering service mode)
• Built-in temperature sensor
• User setting mode
• Practice (limit upper/lower temperature, all locking)
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Service mode
The Wired remote controller (MWR-WE10N) is divided into two sections.
Main features and functions
Menu and setting value are displayed. During option setting the direction keys,
set and ESC keys are mainly used.
Change the setting value.
Select the setting value.
Exit to normal mode.
Save the setting value.
Menu display Setting value
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Service mode
To enter service setting mode,
press “Esc” and “Set” keys together for 3 seconds.
How to use
Service mode menu +
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Service mode menu
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Built-in temperature sensor
The room temperature sensor in the Wired R/C can be applied to all the connected
indoor units so that indoor units operate based on the room temperature of the Wired
R/C instead of those own sensors. Also, the average temperature between indoor
units and the Wired R/C can be another selection.
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Set the service mode value of wired R/C(service mode 1-2, 1-5)
1) room temp. sensing : from wired RC / default display of temp. : room
2) Room temperature compensation : - 2.5 ℃
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Built-in temperature sensor
The setting status of built-in temperature sensor can be set and monitored in service mode. (1-2 menu) When using the average temperature between indoor and Wired R/C (factory setting is 00100), choose the right code for it.
Correct! Using the Wired R/C's sensor: 00100 (Factory setting) 01100
Data bit of using the average temperature is 2. No. 1 means using the average temperature.
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User setting mode
To enter user setting mode, press “User set” key.
User setting mode menu +
How to use
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Set the current date & time of wired R/C (user setting mode 4-1, 4-2)
Set the auto stop time : 2 hours (user setting mode 1)
Set the desire temperature limits (user setting mode 2)
- Lowest temperature : 22 ℃
- Highest temperature : 26 ℃
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Wrap up
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Quiz
P1 Set the desired temperature limits as follows:
(User setting mode 2-1, 2-2)
- Lowest temperature: 22℃
- Highest temperature: 26℃
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Summary
General introduction
· Controllers to enable individual control
on each indoor unit.
· Main user : General user
Installation Advanced setting
Wired remote controller (MWR-WE10N)
Control and Monitoring
- Individual or group control: Maximum 16 units - A/C, ERV, ERV+
- Control, monitoring, and error display
- Filter replacement alarm display and reset
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Summary
General introduction
Individual control system
· Controllers to enable individual control
on each indoor unit.
· Main user : General user
Installation Advanced setting
Wired remote controller (MWR-WE10N)
Schedule
-Weekly operating schedule : A/C only, ERV only, A/C + ERV
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Summary
General introduction
Individual control system
· Controllers to enable individual control
on each indoor unit.
· Main user : General user
Installation Advanced setting
Wired remote controller (MWR-WE10N)
Convenient function
- Built-in room temperature sensor
- Clear and bright screen with LCD backlight
- Wireless remote control restriction
- Child lock with different key permission levels
- Quiet and sleep mode
- Real-time clock function: Current time/day display, summer time
- Individual blade control (4-way cassette type)
- Purifier mode: Virus doctor (S-Plasma ion)
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Summary
General introduction
Individual control system
· Controllers to enable individual control
on each indoor unit.
· Main user : General user
Installation Advanced setting
Wired remote controller (MWR-WE10N)
Energy saving
- Setting temperature limit : The lowest/highest limit
- Automatic operation stop function
- Energy saving operation mode with ERV
- Motion detection sensor function (4-way cassette (600 x 600))
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Summary
General introduction
Individual control system
· Controllers to enable individual control
on each indoor unit.
· Main user : General user
Installation Advanced setting
Wired remote controller (MWR-WE10N)
Environment setting
- User mode
- Service mode
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Summary
General introduction
Individual control system
· Controllers to enable individual control
on each indoor unit.
· Main user : General user
Installation Advanced setting
Wired remote controller (MWR-WE10N)
Wiring - 1 indoor unit with 1 Wired remote controller
Indoor unit
PCB terminal
Power comm. Wire (field wiring)
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Summary
General introduction
Individual control system
Installation Advanced setting
Wired remote controller (MWR-WE10N)
Wiring - Multiple indoor units with 1 Wired remote controller
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Summary
General introduction Installation Advanced setting
Wired remote controller (MWR-WE10N)
Entering service mode and user setting mode
User setting mode: Press “User set” Key.
Service mode: Press “ESC + Set” keys together for 3 seconds.
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