9-1-5. Wiring and Setting of Remote Controller Control
• When connected 2 remote controllers
operate the twin
Terminal block for 
remote controller cables
Remote controller 
cables (Procured locally)
Indoor unit
Outdoor unit
Remote controller
(Follower)
Remote controller
(Header)
Sold
separately
213
213
BA
BBAA
Sold
separately
Terminal block for 
remote controller cables
Indoor unit 1
Outdoor unit
Remote controller
(Follower)
Remote controller
(Header)
Sold
separately
213
213
BA
BBAA
Indoor unit 2
213
BA
Sold
separately
Remote controller
inter-unit wire
(Procured locally)
Inter-unit wiring 
between indoor units 
(Procured locally)
[Operation]
1. The operation contents can be changed by Last-push-priority.
2. Use the timer function on the Header remote controller.
2-remote controller control
(Controlled by 2 remote controllers)
This control is to operate 1 or multiple indoor units are operated by 2 remote controllers.
(Max. 2 remote controllers are connectable.)
• When connected 2 remote controllers
operate an indoor unit
<Wired remote controller>
RBC-ASCU1
∗∗
∗∗
∗
Remove the rear cover of the remote controller and
change the DIP switch.
* Be sure to turn off the breaker first.
How to set remote controller as follower remote controller
1
ON
DIP switch
(Factory default)
23456
NOTE:
• For details on how to operate other remote controllers, refer to the remote controller manual.
bit 1:
OFF= Header remote controller
(Factory default)
ON = Follower remote controller
<Wireless remote controller>
RBC-AXU31C-E
Remove the rear cover of the remote controller and 
change the DIP switch.
* Be sure to turn off the breaker first.