Wiring diagrams
Domestic air conditioner
6. Printed Circuit Board Connector Wiring Diagram
11
PCB (1) (Outdoor Control PCB)
1) CN1, CN2 Connector for power N and L
2) CN3 Connector for ground
3) CN23 Connector for DC POW ER 15Vand 5V to the m odule
board
4) CN9, CN10 Connector for CN2,CN1 on the m odule board
5) CN 22 Connector for fan m otor
6) CN11 Connector for four way valve coil
7) CN17, CN47 Connector for therm istors
8) CN24 Connector for com m unicate between the control board and the m odule
board
9) CN26, CN27
Connector to P and N of the m odule board
10) CN36 Connector for com m unicate between indoor and outdoor unit
11) CN15 Connector for electric expansion valves
12) CN50 RED
Note: 09K -12K series needn’t connect with CN6 and CN7
O ther 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
unit