LG PQRCHCA0QW Engineering Product Data Book

1.2 Control System List
TM
HVAC Solution
General Information _ 3
General Information
Outline of system
1. Installation Method
ڸ
ڹں
※
ڸ+ڹ+ں : AWG#24
Black
Yellow
Red
Signal
GND
12 V
Please check if connector is normally connected.
Connecting cable
Indoor Unit side
⇒ The total cable length must not exceed 50m. (It can cause communication error.)
2. Group Control
Master Slave Slave
DC 12 V
GND
GND Signal
DC 12 V
Signal
⇒ When controlling multiple indoor units with one remote controller, you must change the master/slave setting
from the indoor units.
3. Interlocked operation with the ventilation
Master(IDU) Master(Ventilation)
GND
DC 12 V
Signal
⇒ When installing interlocked scene with wired remote controller, use group control cable.

LG PQRCHCA0QW Specifications

General

Brand	LG
Model	PQRCHCA0QW
Category	Controller
Language	English