Service manual

Outdoor Unit SiBE05-722_C

18 Printed Circuit Board Connector Wiring Diagram

2. Outdoor Unit

2.1 RK(X)S25/35E2V1B

Main PCB

Caution Replace the PCB if you accidentally cut the jumpers other than J5 and J8.

Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of

them.

1) S10 Connector for filter PCB

2) S20 Connector for electronic expansion valve coil

3) S30 Connector for compressor

4) S40 Connector for overload protector

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) HC3, HC4

HL3, HN3

Connector for filter PCB

9) HR2 Connector for reactor

10)FU1, FU2 Fuse (3.15 A, 250 V)

11)LED A LED for service monitor (green)

12)V1 Varistor

13)J5 Jumper for improvement of defrost performance

∗ Refer to page 115 for detail.

14)J8 Jumper for facility setting

∗ Refer to page 113 for detail.

15)SW1 Forced cooling operation ON/OFF button

∗ Refer to page 110 for detail.

2P143284-6

S90LED AS40S10

S30

HC3

HN3

S20 S80 V1 FU1 HL3

HC4

HR2

FU2

S70

SW1