Functions And Control; Wiring Diagrams; Outdoor Unit Wiring Diagram; Outdoor Pcb - Haier 1U82SA2ERA Service Manual

Wiring diagrams

OUTDOOR UNIT WIRING DIAGRAM

COMPRESSOR
M
R(U) C(W)
S(V)
B
W
R
U P
V W
CN5 CN6 CN7 CN8 CN9
MOUDLE PCB
CN3
CN1
CN2
LI AC-L AC-N
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
P
CN28
OR
CAP
CN25
BL
N
B
B CN24
CN11 MODULE COM
N
BL
BL
CN23
CN10
MODULE POWER
CN4
CN19
L0 CN17
CN18
TC
HW CS TC
GR
@1
CAP
FUSE1
T25A 250VAC

OUTDOOR PCB

AC-L OUT
BR(OR B) CN10
BL(OR W)
CN17
CN43
CN47
CS
HW
XQ AC FAN
SUCTION
AC FAN
MOTOR
TEMP.SENSOR
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
@2
MAIN PCB BOARD) IS LESS THAN DC 10V BEFORE START SERVICING OR LED2
EXTINGUISHED.
1

Functions and control

BR(OR B)
AC-L
CN2
BL(OR W)
CN1
AC-N
CN36
COMB
R
COMA
BL(OR W)
N
AC-L OUT
BR(OR B)
CN7
AC-N OUT
CN6 BL(OR W)
CN9
AC-N OUT
PE
Y/G
CN50
CN3
CN15
CN11
VALVE A CN22
M
M
ELECTRIC
4-WAY VALVE
DC FAN
EXPANSION
MOTOR
VALVE
WARNING
CAUTION
Domestic air conditioner
Y/G
DRED LINE