502
20.5 Wiring diagram
Wired controller is available
Symbol
Description
Ambient
T
emperature Sensor
Gas Pipe
Temperature Sensor
Liquid Pipe
T
emperature Sensor
Terminal Block of
P
ower and Control
A PCB
DC Fan Motor
B PCB
Electronic Expansion
V
alve
TA
TC1
TC2
TW
FM
PMV
SM
Primary PCB
Subsidiary PCB
2
PQ
C
N15
1
4
3
2
1
TATC
CN18
3
2
1
TC
CN19
10
9
8
7
6
5
4
3
21
FLASH CN30
2
1
43
2
1
PC CN26
CN34
SW08
4
3
2
1
CN7
8
7
6
5
4
3
2
1
CN21
A
PCB
PCB
CON12
250
VAC/T3.15A
FUSE
TC1
TA
TC2
M
SM
LED5
LED4
LED3
B
(CON5)
CON3
310V
CON11
L
N
(CON8)
CON10
CON4
(CON13)
15V
1
2
3
CN2
DCFAN
4
5
6
7
SWING CN11
2
1
2
1
4
3
5
2
1
4
3
5
6
PMV
ON
1
2
2
1
CN16
RK
Motor
SWITCH
CON5
(CON3)
CON8)
(CON10)
CON13
(CON4)
L
L
L
CN1
SW03
ON
1
2
3
4
5 6
7
8
CON6 L
CON7 N
SW01
ON
1
2
3
4
5
6
7
8
PMV CN10
CN22
C
B
A
SW02
ON
1
2
34
3
2
1
FS
CN13
4
3
21
CN5
Wired Remote Controller
CN22-1
C
B
A
1.Wired controller connects to CN22 on PCB.
2.Under group control with one wired controller,
the wired controller connects to CN22 on PCB
of master unit, then connects all of CN22-1 ports
from master PCB to all slave PCB in serial.In this
group, the max qty of indoor units is 16.
3.If two wired controllers control one indoor unit,
master controller connects to CN22 while slave
controller connects to CN22-1.
FLZ/PUMP
PM
L
3
4
N
TW
Transmission Wiring
（To O.D unit）
To Power
Supply
Y/G
CON1
CON2
PM
Water Pump
AS072/092/122/162MGERA PCB code: 0010451751AF
Swing Motor
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