SiUS04-924_A Outdoor Unit
10 Printed Circuit Board Connector Wiring Diagram
2. 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) S20 Connector for 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
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
V9, V100
Varistor
1) S52, S102 Connector for main PCB
2) LED A LED for service monitor (green)
3) SW1 Forced cooling operation ON/OFF switch
4) SW4-B
SW4-C
Switch for facility setting
Refer to page 187 for detail
Switch for improvement of defrost performance
Refer to page 187 for detail.
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