Fvxg25/35/50K2V1B - Daikin 3MKS50E3V1B Service Manual

Indoor Unit
2.5

FVXG25/35/50K2V1B

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