MXS Service Manual

SiUS121736EA Field Settings
Trial Operation and Field Settings 232
5.2 RA Indoor Unit
5.2.1 Model Type Setting
ARC452A21, ARC452A23
The remote controller is common to the heat pump model and cooling only model.
Make sure the DIP switch is set to the left side. The heating operation will not be available when
the DIP switch is set to the right side.
ARC466A21, ARC466A36
The remote controller is common to the heat pump model and cooling only model.
Caution Replace the remote controller if you cut the jumper on the left side.
The heating operation will not be available when the jumper on the left side is cut.
(R18201)
DIP switch
Heat pump model Cooling only model
DIP switch
Never cut this jumper.
(R23955)