SiENBE05-722_A Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 131. Printed Circuit Board Connector Wiring Diagram1.1 Indoor UnitConnectors andOther PartsPCB (1): Control PCBPCB (2): Power Supply PCBPCB (3): Display PCBPCB (4): Signal Receiver PCB1) S6 Connector for swing motor (horizontal swing)2) S7 Connector for AC fan motor3) S21 Connector for centralized control (HA)4) S24 Connector for display PCB5) S26 Connector for signal receiver PCB6) S32 Connector for indoor heat exchanger thermistor7) S37 Connector for power supply PCB8) JA Address setting jumper∗ Refer to page 209 for detail.JB Fan speed setting when compressor stops for thermostat OFFJC Power failure recovery function∗ Refer to page 212 for detail.9) SW2 Select switch for installation (ceiling or floor)∗ Refer to page 212 for detail.10) LED A LED for service monitor (green)1) S36 Connector for control PCB2) H1, H2, H3 Connector for terminal board3) H4, H5, H6 Connector for AC fan motor4) V1 Varistor5) FU1 Fuse (3.15A, 250V)1) S25 Connector for control PCB2) LED1 (H1P) LED for operation (green)3) LED2 (H2P) LED for timer (yellow)4) LED3 (H3P) LED for HOME LEAVE operation (red)1) S27 Connector for control PCB2) S31 (RTH) Connector for room temperature thermistor3) SW1 (S1W) Forced operation ON/OFF button