Printed circuit board connector wiring diagrams
11 Domestic air conditioner
6. Printed circuit board connector wiring diagram
Connectors
PCB(1) (Control PCB) for 1U24RE8ERA
1) CN1,CN2 Connector for power N and L
2) CN3 Connector for ground
3) CN23 Connector for DC POWER 15Vand 5V to the module board
4) CN9,CN10 Connector for CN2,CN1 on the module board
5) CN22 Connector for fan motor
6) CN11 Connector for four way valve coil
7) CN17,CN18,CN19, CN47 Connector for thermistors
8)CN24 Connector for communicate between the control board and the module board
9) CN28,CN25 Connector to P and N of the module board
10) CX2 Connector for communicate and power N between indoor and outdoor unit
11) CN15 Connector for electric expansion valves
PCB (2) (Module PCB) For 1U24RE8ERA
CN10 Connector for the DC power 5V and 15V form the control PCB
CN11 Connector for communicate between the control board and the module board
P (CN1), N (CN5) Connector for capacitance board
LI (CN7), LO (CN6) Connector for reactor
CN2, CN3, CN4 Connector for the U, V, W wire of the
compressor
Notes: Other Designations
PCB (1) (Control PCB)
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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