Wiring diagrams
11
Domestic air conditioner
6.Printed Circuit Board Connector Wiring Diagram
Connectors
PCB (1) (Outdoor Control PCB)
1 CN1
Connector for power N and L
2 CN2
3 CN3 Connector for ground
4 CN23 Connector for DC POWER 15Vand 5V to the module board
5 CN9
Connector for CN2,CN1 on the module board
6 CN10
7 CN22 Connector for fan moto
8 CN11 Connector for four way valve coil
9 CN17
Connector for thermistors
10 CN47
11 CN24 Connector for communicate between the control board and the module board
12 CN26
Connector to P and N of the module board
13 CN25
14 CN36 Connector for communicate between indoor and outdoor unit
15 CN15 Connector for electric expansion valves
16 CN50 Connector for DRED-control
17 CN45 Connector for heating- protect wire of terminal block
18 CN48 underpan electric heating wire
19 CN49 compressor electric heating belt
Note: 09K -12Kseries needn’t connect with CN6 and CN7
Other Designations
1) FUSE 1, (25A, 250VAC); FUSE 2(1A, 250VAC)
2) LED 1 Keep light representative normal, if keep flash interval representative trouble Alarm
3) RV1, RV2, RV3 Varistor
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