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2U14CS1ERA-SM

Connector wiring diagram

Domestic Air Conditioner

4.2 ᧶outdoor unit

Connectors

PCB(1) (Control PCB)

1) CN1,CN2 Connector for power N and L

2) CN3ǃCN8 Connector for ground

3) CN23 Connector for DC POWER 15Vand 5V to the module board

4) CN9,CN10 Connector for CN9,CN8 on the module board

5) CN22 Connector for fan motor

6) CN11 Connector for four way valve coil

7) CN17,CN18,CN19,CN20,CN21ǃCN47 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) CN36 Connector for communicate between indoor and outdoor unit

11) CN15ǃCN16 Connector for electric expansion valves

PCB(2) (module PCB)

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 CN28,CN25 on the control board

LO (CN6),LI(CN7) Connector for reactor

AC_L(CN8),AC_N(CN9) Connector for CN10,CN9 on the control board

CN2(U), CN3(V), CN4(W) connector for the compressor

Note: Other Designations

PCB(1) (Control PCB)

1) FUSE 1, Fuse (25A,250VAC)

2)LED 1 keep light representative normal ,if keep flash interval representative trouble Alarm

3)RV1,RV2,RV3 Varistor

Haier 2U14CS1ERA User Manual

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