Outdoor Unit SiUS121827E
54 Part 3 Printed Circuit Board Connector Wiring Diagram
6. Outdoor Unit
Main PCB (PCB1)
1) S, S10 Connector for terminal block (indoor - outdoor transmission)
2) S15 Connector for COOL/HEAT lock
∗ Refer to page 275 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
6) S23 (yellow) Connector for electronic expansion valve coil D port
7) S24 (white) Connector for electronic expansion valve coil E port (5MXS-T only)
8) S25 (red) Connector for electronic expansion valve coil for bypass circuit
9) S40 Connector for overload protector
10) S70 Connector for DC fan motor
11) S80 Connector for four way valve coil
12) S90 Connector for thermistors
(outdoor temperature, outdoor heat exchanger, discharge pipe)
13) S92 Connector for gas pipe thermistor
14) S93 Connector for liquid pipe thermistor
15) S201, S202 Connector for service monitor PCB (PCB2)
16) HL1, HN1 Connector for terminal strip (power supply)
17) E1, E2, E3 Connector for ground wire
18) U, V, W Connector for compressor
19) FU1 Fuse (3.15 A, 250 V)
20) FU2 Fuse (5 A, 250 V)
21) FU3 Fuse (56 A, 250 V)
22) FU10 Fuse (10 A, 250 V)
23) V3, V4, V401 Varistor
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