Outdoor Main Control Board - Haier AW09ES2VHB Service Manual

PCB (1) (Outdoor Control PCB)
1
CN1, CN2 - Connector for power N and L
2
CN3 - Connector for ground
CN23 - Connector for DC POWER
3
15V and 5V to the module board
CN9, CN8 - Connector for
4
CN2,CN1 on the module board
5
CN22 - Connector for fan motor
6
CN11 - Connector for four way valve coil
CN17, CN47 - Connector for
7
thermistors
CN24 - Communication connector for
8
control board and the module board
CN28, CN25 - Connector to
9
P and N of the module board
CN36 - Connector for communicate
10
between indoor and outdoor unit
CN15 - Connector for
11
electric expansion valves
12
CN50 - Connector for DRED-control
13
FUSE 1: (25A, 250VAC); FUSE 2:(1A, 250VAC)
LED 1 - Constant ON is normal operation, flashing
14
indicates alarm.
15
RV1, RV2, RV3 Varistor
16 Base Pan Heater Connection
17
BM2-1, BM2-2 - Defrost DIP Switches
PCB (2) (Module PCB for 09-12K )
CN10 - Connector for the DC power 5V and 15V
18
form the control PCB
CN11 - Connector for communicate between the
19
control board and the module board
20
P (CN1), N (CN5) - Connector for capacitance board
21
LI (CN7), LO (CN6) - Connector for reactor
CN2, CN3, CN4 - Connector for the U, V, W
22
wire of the compressor
PCB (3) (Module PCB for 18-24K )
CN10 - Connector for the DC power 5V
23
and 15V form the control PCB
CN11 - Connector for communicate between the
24
control board and the module board
25
P (CN8), N (CN9) - Connector for capacitance board
26
LI (CN3), LO (CN4) - Connector for reactor
CN5, CN6, CN7 - Connector for the U, V, W
27
wire of the compressor
Outdoor Control Board
10
4
OUTDOOR UNIT CONTROLS & COMPONENTS
1
13
2
11
6 7
21
09-12
22
20
18-24
26
25
27
5
12
19
23
PAGE 9
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