Ftx18/24Uvju - Daikin FTX-N Series Service Manual

SiUS091601EA
1.3

FTX18/24UVJU

Control PCB
1)
(PCB1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
13)
14)
S46
S25
S47
JC
Caution
Replace the PCB if you cut a jumper unintentionally.
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.
Part 3 Printed Circuit Board Connector Wiring Diagram
S1 Connector for DC fan motor
S21 Connector for centralized control (HA)
S25 Connector for INTELLIGENT EYE sensor PCB (PCB4)
S32 Indoor heat exchanger thermistor (R2T)
S41 Connector for swing motors
S46 Connector for display PCB (PCB3)
S47 Connector for signal receiver PCB (PCB2)
H1, H2, H3, FG Connector for terminal strip
JA Address setting jumper
Refer to page 207 for details.
JB Fan speed setting when compressor stops for thermostat OFF
Refer to page 209 for details.
JC Power failure recovery function (auto-restart)
Refer to page 209 for details.
LED A LED for service monitor (green)
FU1 (F1U), Fuse (3.15 A, 250 V)
FU2 (F2U)
V1 Varistor
S41 S1
S21
JA
JB
S32
FU2
LED A
Indoor Unit
H3 FG H2
H1
FU1
V1
2P227881-6
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