Indoor Unit SiBE121135
52 Printed Circuit Board Connector Wiring Diagram
2.5 FVXG25/35/50K2V1B
Connectors and
Other Parts
PCB (1): Main PCB
PCB (2): Display PCB
PCB (3): Service PCB
1) S1 Connector for fan motor
2) S2 Connector for terminal board
3) S6 Connector for swing motor
4) S21 Connector for centralized control (HA)
5) S26 Connector for service PCB
6) S30 Connector for indoor electronic expansion valve coil (motor operated
valve coil)
7) S32 Connector for indoor heat exchanger thermistor
8) S33 Connector for room temperature thermistor
9) S34 Connector for radiant panel thermistors
10)S46 Connector for display PCB
11)FG Connector for earth
12)V1 Varistor
13)JB Fan speed setting when compressor stops for thermostat OFF
JC Power failure recovery function
∗ Refer to page 418 for detail.
14)F1U Fuse (3.15A, 250V)
15)LED A LED for service monitor (green)
1) S56 Connector for main PCB
2) S1W Forced cooling operation [ON/OFF] button
3) H1P LED for operation (green)
4) H2P LED for timer (yellow)
5) H3P LED for RADIANT operation (red)
1) S27 Connector for main PCB
2) S2W-1 Address setting switch
∗ Refer to page 415 for detail.
∗ Keep the other switches as factory setting (OFF).
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