Wiring Diagram Au04/05/062Fpera - Haier AU042FPERA Service Manual

5. Wiring
Diagram
AU04/05/062FPERA
HPS
P
ACL
6.3A 250VAC
FUSE1
CN1
ACN
CN19
PTC
BM2
CN18
CN17
SV1
CN16
4WV
HEATER
CN25
ACFAN2
CN15
ACFAN1
CN14
DCFAN1
DCFAN2
P M V2
CN7
CN5
0151800273
CN11
<WARNING>
Please power off firstly for about 10
minutes before checking control box,
and make sure the voltage between
P and N below 20V.
<NOTES>
Please check the power firstly before test, and make
sure the crankcase heater powering on for 12 hours
at least to protecting compressor.
Forbid connecting the power wire to the "P" and
"Q" otherwise the control board will be damaged.
Please make sure the earth wire connecting the grou-
nding hole on the electric box firmly.
TD TE(1) TS TA
Ps
CN2 CN3 CN4CN5 CN6 CN7
CN29 CN28
BM1
LED4 LED2
CONTROL
BOARD
CN31
CN33
SW3 SW1
SW4 SW2
CN12
CN13
M M
Tc1
CN31-1
0151800303
Tc2
CN11-1
CN31-2 CN1 CN34
G B A
12V
Pd
CN13 CN12
CN30
CN21
CN9
B
C O MP
W
CN20
R
EEV
M
CN8
CN24
LD1
DISPLAY
CN10
BOARD
CN11
!
SW01
CN31 CN32
PQ
Symbol Signification
ACL
Power Line
Power Zero Line
ACN
SV1
Unloading Valve
Spray Valve
SV2
4WV
Four-way Valve
LED1-4 Lights
DCFAN2
DC Fan Motor
DCFAN1
DC Fan Motor
High Pressure
HPS
Switch
High/low Pressure
PS/Pd
Switch
Electric
HEATER
Heating Tape
Digital
LD1-3
Display Tubes
SW01,02 Thumbwheels
PC Monitor
10
0150518287
B
R
AC-L
AC-N
ACL
PE
ACN
INV BOARD
DK1
DK2
W
CN8
V
Tfin
U
JP3
CN1
LD2 LD3
CN30
SW02
L N
Symbol Signification
Compressor
Ts
Inhale Sensor
Compressor
Td
Vent Sensor
Ambient
Ta Temperature
Sensor
Defrost
TE(1) Temperature
Sensor
Pipe Sensor
Tc1/Tc2
Ipm Temperature
Tfin
Sensor
Electronic
EEV
Expend Valve
SW1-4
Button
BM1,2
Dial Switch