Outdoor Unit
SiUS121632EA
32
Printed Circuit Board Connector Wiring Diagram
4. Outdoor Unit
Main PCB
(PCB1)
1) S
Connector for terminal board (indoor - outdoor transmission)
2) S15
Connector for COOL/HEAT mode lock
∗
Refer to page 212 for details.
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 (24 class)
6) S40
Connector for overload protector
7) S70
Connector for DC fan motor
8) S80
Connector for four way valve coil
9) S90
Connector for thermistors
(outdoor temperature, outdoor heat exchanger, discharge pipe)
10) S92
Connector for gas pipe thermistor
11) S93
Connector for liquid pipe thermistor
12) S201, S202
Connector for service monitor PCB (PCB2)
13) HL1, HN1
Connector for terminal strip (power supply)
14) E1, E2
Connector for ground wire
15) U, V, W
Connector for compressor
16) FU1, FU2
Fuse (3.15 A, 250 V)
17) FU3
Fuse (30 A, 250 V)
18) V2, V3, V401
Varistor