Outdoor Unit SiBE121135
38 Printed Circuit Board Connector Wiring Diagram
1. Outdoor Unit
Connectors and
Other Parts
PCB (1): Main PCB
PCB (2): Service Monitor PCB
1) S10 Connector for terminal board (indoor - outdoor transmission)
2) S15 Connector for COOL / HEAT mode lock
∗ Refer to page 413 for detail.
3) S20 (white) Connector for electronic expansion valve coil A port
4) S21 (red) Connector for electronic expansion valve coil B port
5) S22 (blue) Connector for electronic expansion valve coil C port
6) S23 (yellow) Connector for electronic expansion valve coil D port (for 4 and 5-room
model)
7) S24 (green) Connector for electronic expansion valve coil E port (for 5-room model
only)
8) S40 Connector for overload protector
9) S51, S101 Connector for service monitor PCB
10)S70 Connector for outdoor fan motor
11)S80 Connector for four way valve coil
12)S90 Connector for thermistors
(outdoor temperature, outdoor heat exchanger, discharge pipe
temperature)
13)S92 Connector for gas pipe thermistors
14)S93 Connector for liquid pipe thermistors
15)AC1, AC2 Connector for terminal board (power supply)
16)HR1, HR2 Connector for reactor
17)E1, E2 Connector for earth
18)U, V, W Connector for compressor
19) FU1 Fuse (30 A, 250 V)
20)FU2, FU3 Fuse (3.15 A, 250 V)
21)V2, V3, V5 Varistor
V6, V11 (for 40 - 58 class)
V9, V100 (for 68 - 90 class)
1) S52, S102 Connector for main PCB
2) LED A LED for service monitor (green)
3) LED1 - LED4 LED for service monitor (red)
4) LED 5 LED for service monitor (red) (for 5-room model only)
5) SW1 Forced operation [ON/OFF] switch
∗ Refer to page 405 for detail.
6) SW2 Operation mode switch
∗ Refer to page 405 for detail.
7) SW3 Wiring error check switch
∗ Refer to page 406 for detail.
8) SW4 Priority room setting switch
∗ Refer to page 412 for detail.
9) SW5 NIGHT QUIET mode setting switch
∗ Refer to page 414 for detail.
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