35/42/50 Class - Daikin FTXM-K Series Service Manual

SiBE041434E
1.2

35/42/50 Class

Control PCB
(PCB1)
1) S1
2) S21
3) S25
4) S32
5) S41
6) S46
7) S47
8) H1, H2, H3,
9) JA
10) JB
11) JC
12) LED A
13) FU1 (F1U),
14) V1
S46
S25
S47
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.
Note: The symbols in the parenthesis are the names on the appropriate wiring diagram.
Printed Circuit Board Connector Wiring Diagram
Connector for DC fan motor
Connector for centralized control (HA)
Connector for INTELLIGENT EYE sensor PCB
Indoor heat exchanger thermistor
Connector for swing motors
Connector for display PCB
Connector for signal receiver PCB
Connector for terminal board
FG
Address setting jumper
∗ Refer to page 112 for detail.
Fan speed setting when compressor stops for thermostat OFF
∗ Refer to page 114 for detail.
Power failure recovery function (auto-restart)
∗ Refer to page 114 for detail.
LED for service monitor (green)
Fuse (3.15 A, 250 V)
FU2
Varistor
S41 S1
JC JA JB
S21
S32
LED A
FU2
Indoor Unit
FG
H3 H2 H1
FU1
V1
2P206687-8
10