No. Name Description
Master/Slave setting switch
(Address switch)
It is used for 2 remote controllers.
Option switches
It is possible to set additional functions for wired remote
controller.
Communication wiring terminal Connection to indoor unit (F3/F4).
Power wiring terminal (12VDC) Connection to indoor unit (V1/V2).
1
2
3
4
1
2
4 3
(4) Additional functions
1-3. Wired remote controller
4) MWR-VH01
(3) Description of buttons and functions
Switch No.
SW 1
SW 2
SW 3
SW 4
OFF
No automatic ventilation
When set to OFF, it is not possible to select Auto in the
operation mode.
No air purification
When set to OFF, it is not possible to select “air purification” in
the operation mode.
No synchronous operation
No Sleep function
When set to OFF, it is not possible to select “Sleep” in the
operation mode.
ON
Use automatic ventilation
When set to ON, it is possible to select Auto in the operation
mode.
Use air purification
When set to ON, it is possible to select “air purification” in the
operation mode.
Synchronous operation with an air conditioner.
Use Sleep function
When set to ON, it is possible to select “sleep” in the
operation mode.
It is possible to set additional functions for ERV remote controller with 4 option switches
on the ERV remote controller PCB.
❈ Initially, switch setting is all OFF.
Function keys
Option switch
Tracking function
Function
➊
If an additional ERV is connected to the ERV remote controller,
❷
if an connected ERV is removed,
❸
if ERV remote controller is replaced, it is compulsory to carry out Tracking in the ERV remote controller for ERVs.
Control
Press both Fan speed and Mode button on the ERV remote controller for 5 seconds. Then LCD backlight is
turned on and a sign of Tracking (Eb) appears on the time display.
After tracking, if the operation is started, operation mode is turned to “heat exchange” while Fan speed is turned
to “high”. (ERV does not support blackout recovery Function)
<Tracking screen>
05-1_control systems(002~045) 3/15/08 4:09 Page 32
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