Service manual

Outdoor Unit SiBE061121_A

14 Printed Circuit Board Connector Wiring Diagram

2.2 RXG50K2V1B

Main PCB

Service Monitor

PCB

 SW4-A and SW4-B have no function and keep them off.

1) S10 Connector for terminal board (indoor - outdoor transmission)

2) S20 Connector for outdoor electronic expansion valve coil

3) S40 Connector for overload protector

4) S51, S101 Connector for service monitor PCB

5) S70 Connector for fan motor

6) S80 Connector for four way valve coil

7) S90 Connector for thermistors

(outdoor temperature, outdoor heat exchanger, discharge pipe)

8) AC1, AC2 Connector for terminal board (power supply)

9) E1, E2 Connector for earth wire

10)HR1, HR2 Connector for reactor

11)U, V, W Connector for compressor

12)FU1 Fuse (30 A, 250 V)

13)FU2, FU3 Fuse (3.15 A, 250 V)

14)V2, V3, V5 V6, V11 Varistor

V3 V11

AC1

FU2E1 E2

FU3 W

2P282217-1

S40S20S80 V US70S90 S51

S10

AC2

S101

FU1

HR1

HR2

1) S52, S102 Connector for main PCB

2) LED A LED for service monitor (green)

3) SW1 Forced cooling operation ON/OFF switch

∗ Refer to page 120 for detail.

4) SW4-C Switch for improvement of defrost performance

∗ Refer to page 126 for detail.

S102SW1

3P169059-1

LED A

SW4-C

S52