Outdoor Unit SiUS041111
18 Printed Circuit Board Connector Wiring Diagram
2.2 15/18/24 Class
Connectors and
Other Parts
PCB (1): Filter PCB
PCB (2): Main PCB
1) S11 Connector for [S10] on main PCB
2) HL1, HN1, S Connector for terminal board
3) E1, E2 Terminal for ground
4) HL2, HN2 Connector for [HL3] [HN3] on main PCB
5) HL4, HN4 Connector for [S12] on main PCB
6) FU1 Fuse (3.15 A, 250 V)
7) FU3 Fuse (30 A, 250 V)
8) V2, V3 Varistor
9) SW1 Forced cooling operation ON/OFF switch
1) S10 Connector for [S11] on filter PCB
2) S12 Connector for [HL4] [HN4] on filter PCB
3) S20 Connector for electronic expansion valve coil
4) S40 Connector for overload protector
5) S70 Connector for fan motor
6) S80 Connector for four-
way valve coil
7) S90 Connector for thermistors
(outdoor temperature, outdoor heat exchanger, discharge pipe)
8) HL3, HN3 Connector for [HL2] [HN2] on filter PCB
9) U, V, W Connector for compressor
10)FU2 Fuse (3.15 A, 250 V)
11)LED A LED for service monitor (green)
12)V1 Varistor
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