SiBE07-618_D Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 151.2 Outdoor UnitConnectors andOther PartsPCB (1): Main PCBPCB (2): Service Monitor PCB1) S10 Connector for terminal board (indoor - outdoor transmission)2) S20 Connector for electronic expansion valve coil3) S40 Connector for overload protector4) S51, S101 Connector for service monitor PCB5) S70 Connector for fan motor6) S80 Connector for four way valve coil7) S90 Connector for thermistors(outdoor temperature, outdoor heat exchanger, discharge pipe)8) AC1, AC2 Connector for terminal board (power supply)9) HR1, HR2 Connector for reactor10) E1, E2 Connector for earth11) U, V, W Connector for compressor12) FU1 Fuse (30 A, 250 V)13) FU2, FU3 Fuse (3.15 A, 250 V)14) V2, V3, V5, V6, V11 Varistor1) S52, S102 Connector for main PCB2) LED A LED for service monitor (green)3) SW1 Forced operation ON/OFF button4) SW4-B Switch for facility setting∗ Refer to page 131 for detail.5) SW4-C Switch for improvement of defrost performance∗ Refer to page 131 for detail.