20
AW082SNCHA AW102SNCHA
L N
【
Electrical wiring diagram
】
B
Power supply
W
GND
AC-N
AC-L
LI
LO
U
V
W
COMP
R
B
W
Temp
CN8
CN6
PE
Reactor
0150553639
CN1
W
ACN-OUT
P9
ACL-OUT
P10
CN42
W
T6.3A/250VAC
FUSE1
T6.3
A/250
VAC
FUSE2
CN41
W
M
CN12
DCFAN1
R
CN16
CN25
HEATER1
4WV
G
BL
CN21
CN10
R
CN7 CN3 CN6
CN29 CN28
P
HPS
LEVa
M
CN8
TS
TA TD
Y
R
B
BL R
W
W
R
G
CN18
R
R CN1
CN40
R
W
CN1
SMG1
SMG2
SW4 SW5 SW6 SW7
UP DW EXIT ENTER
W
CN2
P
Q
Main board
[1] [2] [3] [4] [5] [6] [7] [8]
1
0
0 0
0
BM1
BM
Model
0
1
0
102
82
0
0
0
0
Remarks
【
BM Indication
】
Display
board
Pd
Ps
0 - OFF
ACL
ACN
HEATER
4WV
DCFAN1
Symbol Signification
live Wire
neutral wire
4 way valve
fan
TD
TE(1)
TS
TA
LEVa
Ps
low pressure sensor
compressor discharge sensor
defrost temp sensor
compressor suction sensor
ambient temp sensor
electronic expansion valve
Symbol Signification
Colours
B :-Black BL: Blue
Y : Yellow G : Green
R : Red
W: White
CN24
W
SV2
heater
HPS
high pressure switch
Pd
high pressure sensor
BM1
N
O
1
2
3
4
5
6
7
8
0
1
0
0
1 - ON
P11
FUSE2
FUSE1
T20AL/250V
Indoor connect
115
voltage too high of DC bus line
116
communication abnormal between transducer
and control PCB
117
transducer over current(software)
118
compressor startup failure
119
current detecting circuit abnormal of transducer
121
power supply of inverter board is abnormal
22
discharging temp.sensor(Td)failure
21
suction temp.sensor(Ts)failure
20
ambient temp.sensor(Ta)failure
26
defrosting temp.sensor(Te)failure
23
indoor communication failure
Code
Error Code Definition
【
FAILURE CODE
】
Notes:Please refer to the manual for detailed instructions
w
w
CN4
TE
BL
CN17
W
Y/G
BL
R
CN31
Y/X
MODBUS
BL
CN2-1
5V
G
A
B
PC
W
B
Program
B
