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Outdoor Unit
SiMT041311E
9
Printed Circuit Board Connector Wiring Diagram
2. Outdoor Unit
PCB Detail
1) S20
Connector for electronic expansion valve coil
2) S21
Connector for humidifying rotor motor and humidifying
thermistor
3) S22
Connector for damper motor
4) S40
Connector for overload protector
5) S45
Connector for thermal fuse (102°C)
6) S70
Connector for DC fan motor
7) S72
Connector for humidifier fan motor
8) S80
Connector for four way valve coil
9) S90
Connector for thermistors (outdoor temperature, outdoor
heat exchanger, discharge pipe)
10)S91
Connector for liquid pipe thermistor
11)S101
Connector for humidifying heater
12)S501
Connector for limit switch
13)HR1, HR2, HR3,
HR4
Connector for reactor
14)HK1, HK2, HK3
Connector for hygroscopic fan motor
15)HL1, HN1, S
Connector for terminal board
16)E1, E2
Connector for earth wire
17)U, V, W
Connector for compressor
18)FU1, FU2
Fuse (3.15 A, 250 V)
19)FU3
Fuse (30 A, 250 V)
20)V3, V5
Varistor
21)LED A
LED for service monitor (green)