Indoor Unit SiUS091133
19 Printed Circuit Board Connector Wiring Diagram
1.3 FDXS09/12LVJU
Connectors and
Other Parts
A1P: Control PCB
A2P: 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) FG (GND) Connector for terminal board (ground)
8) JA Address setting jumper
Refer to page 388 for detail.
9) JB Fan speed setting when compressor stops for thermostat OFF
JC Power failure recovery function (auto-restart)
Refer to page 390 for detail.
10) LED A LED for service monitor (green)
11) FU1 (F1U) Fuse (3.15 A, 250 V)
12) V1 (V1TR) Varistor
1) S1 Connector for control PCB
2) SW1 (S1W) Forced cooling operation [ON/OFF] button
Refer to page 384 for detail.
3) LED2 (H2P) LED for timer (yellow)
4) LED3 (H3P) LED for operation (green)
5) RTH1 (R1T) Room temperature thermistor