SiUS122226E Outdoor Unit
Part 3 Printed Circuit Board Connector Wiring Diagram 47
6.2 5MXS-WVJU9, 4MXL-WVJU9, 4MXLH-WVJU9
Main PCB (PCB1)
1) S, S10 Connector for terminal block (indoor - outdoor transmission)
2) S15 Connector for COOL/HEAT lock
Refer to page 269 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 (48 class)
8) S25 (red) Connector for electronic expansion valve coil for bypass circuit
9) S40 Connector for overload protector and high pressure switch
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 Wire harness for terminal strip (power supply)
17) E1, E2, E3 Wire harness for ground wire
18) DP1, DP2 Wire harness for drain pan heater
19) U, V, W Wire harness for compressor
20) FU1 Fuse (3.15 A, 250 V)
21) FU2 Fuse (5 A, 250 V)
22) FU3 Fuse (56 A, 250 V)
23) FU10 Fuse (10 A, 250 V)
24) V3, V4, V401 Varistor
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