Indoor Unit - Daikin FTXG-J Service Manual

SiBE041012_B

1. Indoor Unit

Control PCB
1) S21
2) S25
3) S32
4) S41
5) S42
6) S46
7) S200
8) H1, H2, H3,
9) FG
10) JB
11) LED A
12) F1U
13) V1
H1 FG
F1U
V1
Caution Replace the PCB if you accidentally cut the jumpers other than JB and JC.
Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of
them.
Printed Circuit Board Connector Wiring Diagram
Connector for centralized control (HA)
Connector for INTELLIGENT EYE sensor PCB
Connector for indoor heat exchanger thermistor
Connector for swing motors
Connector for reduction motor (front panel mechanism) and limit switch
Connector for signal receiver / display PCB
Connector for fan motor
Connector for terminal board (indoor - outdoor transmission)
Connector for terminal board (frame ground)
Fan speed setting when compressor stops for thermostat OFF
JC Power failure recovery function (auto-restart)
∗ Refer to page 130 for detail.
LED for service monitor (green)
Fuse (3.15 A, 250 V)
Varistor
H2 H3
S32
S200
S21 LED A S25
Indoor Unit
S41
S42
JB
JC
S46
2P254830-1
15