Daikin 4MXS-R Series Service Manual page 258

Field Settings
After Setting
Stick the Unit No. label on the receiver and the back of the wireless remote controller.
Note: Set the Unit No. of the receiver and the wireless remote controller to be the equal. If the settings
differ, the signal from the remote controller cannot be transmitted.
245
Unit No. label (5)
Wireless remote
controller (2)
SiUS121736EA
(R25081)
Trial Operation and Field Settings