Wiring Diagrams - Haier 1U50S2SJ2FA Service Manual

OUTDOOR UNIT WIRING DIAGRAM
COMPRESSOR
M
C(W)
R(U)
S(V)
B W
R
CN11
U
V P N
W
CN5 CN6 CN7 CN8 CN9
BL
CN10
MOUDLE PCB
CN3
CN4
CN1
CN2
AC-L AC-N L0
LI
GR GR
REACTOR
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

Wiring diagrams

INDOOR UNIT
P
CN28
OR
CAP
CN25
BL
N
B
B CN24
MODULE COM
OUTDOOR PCB
BL
CN23
MODULE POWER
BR(OR B)
BL(OR W)
CN19 CN17
CN17
CN18
TC
CS HW
HW TC
CS
@2
@1
AC-L CN2
CAP
CN1
AC-N
FUSE1
T25A 250VAC
AC-L OUT
AC-L OUT
CN10
CN9
AC-N OUT
CN43
CN15
CN47
XQ AC FAN
VALVE A
M
~
SUCTION
AC FAN
ELECTRIC
MOTOR
TEMP.SENSOR
EXPANSION
VALVE
DON'T TOUCH CAPACITOR, EVEN AFTER PLUG-OFF ( DANGER OF ELECTRIC SHOCK)!
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.
13
Functions and control
0010534175
BR(OR B)
BL(OR W)
CN36
COMB
R
COMA
BL(OR W)
N
BR(OR B)
CN7
AC-N OUT
CN6 BL(OR W)
PE
Y/G
CN50
DRED LINE
CN3
CN11
CN22
M
M
4-WAY VALVE
DC FAN
MOTOR
WARNING
CAUTION
Domestic air conditioner
Y/G