LG Multi V CRUN Series Service Manual page 205

Wiring Diagram for Simple Central Control
Outdoor Unit 1
Control box
001
Control Board
C C
D D
Sub
PCB G G
V V
A A
B B
TB6
Outdoor Unit 2
Control box
101
Control Board
C C
D D
Sub
PCB
G G
V V
A A
B B
TB6
PC Borad of Simple Cental Control
Group Number Setting S/W
Master /Slave Mode Select S/W
002 003 004 005
Vcc GND C D
Central
Control
Unit 1
For Master the First switch of DIP switch should be ON and the
other three switches can be On or Off (Don 't Care Condition)
The connection of Master and Slave
102 103 104
Vcc GND C D
Central
Control
Unit 2
For Slave the First switch of DIP switch should be OFF and the
other three switches can be On or Off (Don 't Care Condition)
Vcc
006 007 008
< Group Number 0 >
DIP
Master
SWITCH
105 106 107
< Group Number 1 >
DIP
Slave
SWITCH
GND C D
Installation
108
Service Manual 205