Haier 1U24SE3ERA Service Manual page 16

Wiring diagrams
OUTDOOR UNIT WIRING DIAGRAM
COMPRESSOR
M
C(W)
R(U)
S(V)
B
W
R
U
V W P N
CN5 CN6 CN7 CN8 CN9
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
P
CN28
OR
CAP
CN25
BL
N
B
B CN24
CN11 MODULE COM
BL
BL
CN23
CN10
MODULE POWER
CN19 CN17
CN17
CN18
TC CS
HW TC
CS
@1
CAP
FUSE1
T25A 250VAC
OUTDOOR PCB
AC-L OUT
BR(OR B)
CN10
BL(OR W)
CN48
CN47
HW
XQ AC FAN
SUCTION
MOTOR
TEMP.SENSOR
BOTTOM ELECTRIC HEATER
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.
16
Functions and control
0010534175A
BR(OR B)
AC-L
CN2
BL(OR W)
CN1
AC-N
CN36
COMB
R
COMA
N
AC-L OUT
BR(OR B)
CN7
AC-N OUT
CN6 BL(OR W)
CN9
AC-N OUT
Y/G PE
CN50
CN3
CN43
CN15
CN11
VALVE A CN22
M
M
M
~
AC FAN
ELECTRIC
4-WAY VALVE
DC FAN
EXPANSION
MOTOR
VALVE
WARNING
CAUTION
Domestic air conditioner
Y/G
BL(OR W)
DRED LINE