Indoor Unit SiBE18-821_C
48 Printed Circuit Board Connector Wiring Diagram
3.4 Duct Connected Type
3.4.1 FDXS25/35EAVMB, FDXS50/60CVMB
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,
GND
Connector for terminal board
7) JA Address setting jumper
∗
Refer to page 154 for detail.
JB Fan speed setting when compressor stops for thermostat OFF
JC Power failure recovery function (auto-restart)
Refer to page 157 for detail.
8) LED A LED for service monitor (green)
9) FU1 (F1U) Fuse (3.15 A, 250 V)
10) 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
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