Haier 1U82SA2ERA, Service Manual

Page: 16 / 56

Functions and control
Domestic air conditioner
Wiring diagrams
1
$
AC-N OUT
CN9
CN10
AC-L OUT
CN11
4-WAY VALVE
M
CN22
CN15
VALVE A
CN3
PE
PO
W
ER
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
T
O
INDO
O
R
UN
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
A
M
BI
ENT
T
EM
P.
SENSO
R
DEF
R
O
S
T
T
E
M
P
.S
ENSO
R
CO
M
P
.T
EM
P.
SENSO
R
TC CS HW
CN17
CN18
CN19
@1
A
M
BI
ENT
T
E
M
P
.S
ENSO
R
T
E
M
P
.S
ENSO
R
DEF
R
O
S
T
CO
M
P
.T
EM
P.
SENSO
R
CN17
HW CS
TC
@2
XQ
CN47
TEMP.SENSOR
SUCTION
0
AC FAN
MOTOR
a
CN43
AC FAN