Outdoor Unit
SiBE121021_C
80
Printed Circuit Board Connector Wiring Diagram
3. 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 460 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 rooms)
7) S24 (green)
Connector for electronic expansion valve coil E port (for 5 rooms)
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 thermistor
14) S93
Connector for liquid pipe thermistor
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 50 - 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 rooms)
5) SW1
Forced operation ON/OFF switch
∗
Refer to page 440 for detail.
6) SW2
Operation mode switch
∗
Refer to page 440 for detail.
7) SW3
Wiring error check switch
∗
Refer to page 441 for detail.
8) SW4
Priority room setting switch
∗
Refer to page 459 for detail.
9) SW5
NIGHT QUIET mode setting switch
∗
Refer to page 461 for detail.
