19
AW042SSCHA AW062SSCHA
CN37
CN34
CN13
CN15
CN9
W
U
Compressor
R
V
B
W
Y/G
Y/G
Inverter
module
Reactor
A
C-L
A
C-N
U
W
V
BL CN10
BL
R
W
N
P
CN19
CN27
B CN11
N-OUT
L-OUT
AC-N
PE
HPS
AC-L
CN35
PE
Y/G
BL
R
CN1
R
CN28
B
R
CN4
B
TE
(1)
CN6
CN7
TAO
TS
Y
B
R CN21
Power supply
BM1
N
O
1
2
3
4
5
6
7
8
CN16
CN17
CN25
H
E
ATER 1
4WV
G
R
W
CN12
DC-
FAN
W
M
BL CN33
W CN10
LO
LI
INV-POWER
【
Electrical wiring diagram
】
Main board
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
0
0
0
0
0
0
BM1
BM
Model
【
BM Indication
】
0
0
062
0 means
OFF,
1 means
ON
042
P
CN3
Td1
R
B
W
B
W
W
COM
R CN40
LEVA1
M
R CN8
SV2
0
0
0
1
0
0
0
Remarks
W
CN1
SMG1
SMG2
SW4
SW5
SW6
SW7
UP
DW
EXIT
ENTER
Display board
1(L)
2(N)
W CN24
0150553638
Colours
:
B : Blac
k
BL: Blu
e
Y :
Yello
w
G : Gree
R : Re
d
W
: Whit
e
PD
W
CN2
P
G
Q
A
B
12V
3(G)
BL
R
FUSE2
FUSE1
T3.15A/250VAC
T25A/250VAC
Indoor connect
0
discharging temp.sensor(Td)failure
suction temp.sensor(T
s)failure
ambient temp.sensor(T
a)failure
defrosting temp.sensor(T
e)failure
indoor communication failure
Err
or
Code Definition
Code
20
21
22
23
24
FAILURE CODE
】
【
11
7
transducer over current(software)
11
8
compressor startup failure
11
9
current detecting circuit abnormal of transducer
121
power supply of inverter board is abnormal
Notes:Please refer to the manual for detailed instructions
BL
CN2-1
Program
5V
G
A
B
PC
CN31 Y
Y/X
MODBUS