Functions and control
Domestic air conditioner
Wiring diagrams
1
6
0010534175A
AC-N OUT
CN9
CN10
AC-L OUT
CN11
4-WAY VALVE
M
CN22
CN15
VALVE A
CN3
PE
P
O
W
E
R
BL(OR W)
Y/G
CN36
COMB
COMA
N
R
CN1
CN2
AC-N
AC-L
FUSE1
T25A 250VAC
CN24
CN23
MODULE COM
MODULE POWER
TO
IN
D
O
O
R
U
N
IT
CN3
CN10
B
BL
BL
OR
CN5
CN1
CN4
CN8 CN9
CN2
CN11
CN6 CN7
REACTOR
B
M
R(U)
S(V)
C(W)
B
W
R
DC FAN
OUTDOOR PCB
MOUDLE PCB
ELECTRIC
EXPANSION
Y/
G
Y/G
1
2
3(
C
)
BL(OR W)
BL
U
V
W
P
N
AC-L
LI
AC-N
L0
CN25
N
P
CN28
2(
L)
1(
N
)
GR
GR
BR(OR B)
CAP
M
VALVE
MOTOR
WARNING
CAUTION
OUTDOOR UNIT WIRING DIAGRAM
CAP
COMPRESSOR
DON'T TOUCH CAPACITOR, EVEN AFTER PLUG-OFF ( DANGER OF ELECTRIC SHOCK)!
CN7
CN6
AC-N OUT
AC-L OUT
BR(OR B)
BL(OR W)
BL(OR W)
BR(OR B)
Note:The dotted parts are optional.
The @1 and the @2 cannot exist at the time,
but must keep one of them.
B: Black W: White
R: Red Y/G: Yellow/Green
BR: Brown OR: Orange
BL: Blue GR:Gray
THE CAPACITOR RETAINS HIGH VOLTAGE EVEN AFTER THE PLUG-OFF. FOR YOUR
SAFETY, BE SURE TO WAIT AT LEAST 5 MINUTES.AFTER PLUG OFF AND USE A
TESTER TO CONFIRM THE VOLTAGE BETWEEN CONNECTOR CN25 AND CN28(ON
MAIN PCB BOARD) IS LESS THAN DC 10V BEFORE START SERVICING OR LED2
EXTINGUISHED.
CN50
DRED LINE
AM
B
IE
N
T
TE
M
P
.S
E
N
S
O
R
D
EF
R
O
ST
TE
M
P.
S
EN
SO
R
C
O
M
P.
TE
M
P
.S
E
N
S
OR
TC
CS
HW
CN17
CN18
CN19
@1
AM
B
IE
N
T
TE
M
P.
S
EN
SO
R
TE
M
P.
S
EN
SO
R
D
EF
R
O
ST
C
O
M
P.
TE
M
P
.S
E
N
S
OR
CN17
HW
CS
TC
@2
XQ
CN47
TEMP.SENSOR
SUCTION
M
AC FAN
MOTOR
~
CN43
AC FAN
CN48
BOTTOM ELECTRIC HEATER
