SiBE121135_A Outdoor Unit
Printed Circuit Board Connector Wiring Diagram 44
1. Outdoor Unit
Main PCB
40/50/52/58 class
1) S10 Connector for terminal board (indoor - outdoor transmission)
2) S15 Connector for COOL / HEAT mode lock
∗ Refer to page 251 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 wire
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)
V3 V11AC1 FU2
HR1
HR2
FU3
2P165232-2
2P165232-4
2P165232-7
S40
S20
S70
S90
S93
S92
S23
S21S22
S51
S10
AC2
S15
S101
V5
S80
V6
V2
FU1
E1 E2
W V U
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