Service manual

SiBE12-816_D Indoor Unit
Printed Circuit Board Connector Wiring Diagram 44
1.4 Duct Connected Type
1.4.1 FDK(X)S25/35EAVMB, FDK(X)S50CVMB
Connectors and
Other Parts
PCB (1): Control PCB
PCB (2): Display PCB
1) S1 Connector for AC fan motor
2) S7 Connector for AC fan motor (Hall IC)
3) S21 Connector for centralized control (HA)
4) S26 Connector for display PCB
5) S32 Connector for indoor heat exchanger thermistor
6) H1, H2, H3 Connector for terminal board
7) GND Connector for terminal board (earth)
8) JA Address setting jumper
Refer to page 303 for detail.
JB Fan speed setting when compressor stops for thermostat OFF
JC Power failure recovery function (auto-restart)
Refer to page 306 for detail.
9) LED A LED for service monitor (green)
10) FU1 (F1U) Fuse (3.15A, 250V)
11) V1 (V1TR) Varistor
1) S1 Connector for control PCB
2) SW1 (S1W) Forced operation ON/OFF button
3) LED1 (H1P) LED for HOME LEAVE operation (red)
4) LED2 (H2P) LED for timer (yellow)
5) LED3 (H3P) LED for operation (green)
6) RTH1 (R1T) Room temperature thermistor