Printed Circuit Board Connector Wiring Diagram SiBE06-70812 Printed Circuit Board Connector Wiring Diagram1. Printed Circuit Board Connector Wiring Diagram1.1 Indoor UnitConnectors PCB(1) (Sensor PCB)PCB(2) (Control PCB)PCB(3) (Service PCB)PCB(4) (Display PCB)Note: Other DesignationsPCB(2) (Control PCB)PCB(3) (Service PCB)PCB(4) (Display PCB)1) S49 Connector for control PCB1) S1 Connector for fan motor2) S21 Connector for centralized control3) S26 Connector for service PCB4) S41 Connector for lower air outlet motor5) S42 Connector for swing motor6) S46 Connector for display PCB7) S48 Connector for sensor PCB1) S27 Connector for control PCB1) S47 Connector for control PCB1) V1 Varistor2) JA Address setting jumperJB Fan speed setting when compressor is OFF on thermostatJC Power failure recovery function∗ Refer to page 189 for detail.3) FU1 Fuse (3.15A)4) LED A LED for service monitor (green)1) SW2 Changing upward air flow limit switch2) SW4 Discharge changeover switch1) SW1 (S1W) Forced operation ON/OFF switch2) LED1 LED for operation (green)3) LED2 LED for timer (yellow)
