I System Wiring Drawing - LG PQCSB101S0 Installation Manual

System Wiring Drawing
System Wiring Drawing
1. Simple central controller installation case 1.
MAIN PCB
C C
D D
VCC VCC
PI 485
GND GND
A A
B
B
Outdoor unit
MAIN PCB
C C
D D
VCC
VCC
PI 485
GND
GND
A A
B
B
Outdoor unit
Function controller and PI 485 are sold separately.
8 Simple Central Controller
001 002 003
Vcc GND
CN_REMO
Central
controller1
Connection
of indoor
unit
Connection
between
master and slave
101 102
Vcc GND
CN_REMO
Central
controller2
Connection
of indoor
unitUnit
Indoor Unit
. . .
004 005
C D
Function
controller
Master
103 104 105
<Group Number 2 >
C D
Slave
014 015 016
<Group Number 1 >
Dip switch
. . .
115 116
Dip swtich