No. Name Description
Option switches
It is possible to set additional functions for
wired remote controller.
Master / Slave setting switch
It is used for “2-Remote controller”.
(Address switch)
Communication wiring terminal Connection to indoor unit (F3/F4).
Power wiring terminal (12VDC) Connection to indoor unit (V1/V2).
1
2
3
4
Switch No.
SW 1
SW 2
SW 3
SW 4
SW 5
OFF
For cooling model only (If the operation mode is
selected, heating operation display is skipped.)
Connect the wired remote controller to an
indoor unit communication line, COM2(F3/F4).
Temperature display in Celsius (°C)
Able to use both wireless remote controller and
wired remote controller for indoor unit control.
Set the RMC address of the connected indoor unit
with the wired remote controller.
ON
For cooling and heating model
Connect the wired remote controller to an
indoor unit communication line, COM1 (F1/F2).
Temperature display in Fahrenheit (°F)
Unable to use wireless remote control for
indoor unit control.
Cancel the indoor unit's RMC address set by
the wired remote controller then use indoor unit PCB
setting.
➊
When 1 indoor unit or 1 group is connected with 1 wired remote controller; set to 0
(Default: 0)
❷
When 1 indoor unit or 1 group is connected with 2 wired remote controllers; One wired
remote controller must be set as Master and the other as Slave.
❈ Except SW1, the default switch settings are all OFF.
• MASTER : Set the switch to 0
• SLAVE : Set the switch to 1
1
2
34
Option switch
Master/Slave setting switch (Address switch)
PCB Description
05-1_control systems(002~045) 3/15/08 4:09 Page 13
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