LG PQDSBC Owner's Manual - Page 8

Power supply and indoor unit connection

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

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Setting and using method
Setting and using method
8
Dry contact for communication
1. Power supply and indoor unit connection
You must press the RESET switch when you are completed with all the settings to reflect the
settings.
■
When using the Dry contact for communication independently
■
When using with the central controller (Only when the indoor
unit PCB is a non-communication model)
Indoor unit
PCB
Indoor unit
PCB
PI485: Connect to central controller
CN_PI485
CN_INDOOR
CN_INDOOR
CN_INDOOR
CN_INDOOR