Wiring Diagram; Notes - Haier AV08NMSETA Service Manual

5. Wiring Diagram

6.3A 250VAC
FUSE1
HEATER2
CN26
SV2
CN18
SV1
CN17
4WV
CN16
HEATER
CN25
ACFAN2
M
CA
W
B
Earth Wire
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.The
switch BM1-1 is used for locking the indoor units
number, the initial situation is "OFF". After power on,
the display board will display【U**】,"**"indicates
the number of indoor units that the outdoor unit
can communicate with. If it can match the actual
number of indoor units, please change "OFF" to
"ON", or else fix the communication problem firstly.
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 grounding
hole on the electric box firmly.
HPS Td Te1 Te2 Ts Ta
CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN29 CN28 CN30
BM1 BM2
LED4 LED2
CONTROL BOARD
SW3 SW1
SW4 SW2
LED3
M
LED1
DCFAN1
R
W
B
L1 L2 L3 N E
Noise Filter
L1 L2 L3 N E
L1 L2 L3 N
R W BL B
Ps Pd Toil
CN21
CN9
CN20
EEV
M
CN8
CN24
INV Board
CN10
B
CN11
P
N
W
R1 R2
REACTOR
W
CB1 CB2
Y
PTC
Y
T3 L3
B B
T2 L2
T1 L1
W
AC Contactor
PQ
SYMBOL
Symbol Signification
Crankcase
HEATER,
2
heater
Unloading
SV1
valve
SV2 Spray valve
4WV 4-way valve
CA Capacitor
ACFAN2 AC fan motor
DCFAN1 DC fan motor
High pressure
HPS
switch
Discharging
Td
temp. sensor
Defrost
Te1, 2 temperature
sensor
14 14
0150513195
LD1 LD2 LD3
CN32
LED
CN31
DISPLAY
CN30
SW01 SW02
Tfin
CN2
CN3
CN1
CN7 CN8
U V W
R W B
COMP
Signification
Symbol
Suction
Ts temperature
sensor
Ambient
Ta temperature
sensor
High pressure
Pd
sensor
Low pressure
Ps
sensor
Oil temperature
Toil
sensor
Electronic
EEV
expansion valve
IPM temperature
Tfin
sensor
Electrolytic
CB1, 2
capacitor
R Red
W White
BL Blue
B Black
Y Yellow