System Structure - LG V-net PQDSBCDVM0 Installation Manual

2. System structure

I When outdoor unit has RS-485 communication function
(Master Mode)
I When outdoor unit doesnʼt have RS-485 communication function
(Slave Mode)
CN_OUT
TTL
Notes
This dry contact module is available after MultiV3 series.
RS-485
BUS_A
BUS_B
Multi-V
WIRE ASSY 1(1EA)
Setting and using method
Installation manual 9