Ftxs15/18/24Lvju - Daikin 4MXS-R Series Service Manual

SiUS121736EA
1.3

FTXS15/18/24LVJU

Control PCB
(PCB1)
1) S1
2) S21
3) S25
4) S32
5) S41
6) S46
7) S47
8) H1, H2, H3, FG Connector for terminal strip
9) JA
10) JB
11) JC
12) LED A
13) FU1 (F1U),
14) V1
S46
S25
Caution Replace the PCB if you accidentally cut a wrong jumper.
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 (PCB4)
Indoor heat exchanger thermistor
Connector for swing motors
Connector for display PCB (PCB3)
Connector for signal receiver PCB (PCB2)
Address setting jumper
∗ Refer to page 234 for details.
Fan speed setting when compressor stops for thermostat OFF
∗ Refer to page 236 for details.
Power failure recovery function (auto-restart)
∗ Refer to page 236 for details.
LED for service monitor (green)
Fuse (3.15 A, 250 V)
FU2 (F2U)
Varistor
S41 S1
S21
JA
S47
JC JB
S32
FU2
LED A
Indoor Unit
H3 FG H2
H1
FU1
V1
2P227881-6
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