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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).