Operation Procedure Si39-303
212 Operation Manual
6.5 Setting the Master Remote Controller
!
When the system is installed, it is necessary to designate one of the remote controllers as
the master remote controller.
For RXYQ series
When one outdoor unit is connected with several indoor units.
For REYQ series
!
Only the master remote controller can select heating and cooling or automatic (only REYQ
series) operation.
!
The displays of slave remote controllers show “ ” (changeover under control) and
they automatically follow the operation mode directed by the master remote controller.
However, it is possible to changeover to program dry with slave remote controllers if the system
is in cooling operation set by the master remote controller.
How to designate the master remote controller
RXYQ series REYQ series
Press the operation mode selector button of the current master remote controller for 4
seconds.
The display showing “ ” (changeover under control) of all slave remote
controllers connected to the same outdoor unit or BS unit flashes.
Press the operation mode selector button of the controller that you wish to designate as
the master remote controller. Then designation is completed. This remote controller is
designated as the master remote controller and the display showing “ ”
(changeover under control) vanishes.
The displays of other remote controllers show “ ” (changeover under control).
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