Indoor Unit - Daikin FTX50GV1B Service Manual

SiBE041029EB

1. Indoor Unit

PCB (1): Control
PCB
1) S1
2) S6
3) S8
4) S21
5) S26
6) S28
7) S32
8) S35
9) H1, H2, H3
10)FG
11)JA
12)JB
13)LED A
14)FU1 (Fu)
15)V1
Caution Replace the PCB if you accidentally cut the jumpers other than JA, 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 fan motor
Connector for swing motor (horizontal blades)
Connector for swing motor (vertical blades)
Connector for centralized control (HA)
Connector for buzzer PCB
Connector for signal receiver PCB
Connector for indoor heat exchanger thermistor
Connector for INTELLIGENT EYE sensor PCB
Connector for terminal board (indoor - outdoor transmission)
Connector for terminal board (frame ground)
Address setting jumper
∗
Fan speed setting when compressor stops for thermostat OFF
JC Power failure recovery function (auto-restart)
∗
LED for service monitor (green)
Fuse (3.15 A, 250 V)
Varistor
H1
S21
S35
LED A
Refer to page 106 for detail.
Refer to page 108 for detail.
JA JB JC
Indoor Unit
H2
H3
FG
S1
S32
V1
FU1
S6
S8
2P099167-1
S28 S26
10