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