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