Setting And Using Method; Power Supply And Indoor Unit Connection - LG PQDSB Owners & Installation Manual

Setting and using method

Setting and using method
You must press the RESET switch when you are completed with all the settings to reflect the
settings.

1. Power supply and indoor unit connection

I When using the Dry contact for communication independently
Indoor unit
PCB
I When using with the central controller (Only when the indoor
unit PCB is a non-communication model)
Indoor unit
PCB
8 Dry contact for communication
CN_INDOOR CN_INDOOR
CN_INDOOR CN_INDOOR
CN_PI485
PI485: Connect to central controller