Indoor Unit; Ctxs07Lvju, Ftxs09/12Lvju - Daikin 2MXS-N Series Service Manual

Indoor Unit

1. Indoor Unit

1.1

CTXS07LVJU, FTXS09/12LVJU

Control PCB
(PCB1)
1) S1
2) S21
3) S25
4) S32
5) S41
6) S46
7) S47
8) H1, H2, H3, FG
9) JA
10)JB
11)JC
12)LED A
13)FU1 (F1U), FU2 Fuse (3.15 A, 250 V)
14)V1
S46
S25
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.
18
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
Address setting jumper
∗ Refer to page 189 for detail.
Fan speed setting when compressor stops for thermostat OFF
∗ Refer to page 191 for detail.
Power failure recovery function (auto-restart)
∗ Refer to page 191 for detail.
LED for service monitor (green)
Varistor
S41 S1
JC JA JB
S21
S47
S32
LED A
FU2
Printed Circuit Board Connector Wiring Diagram
SiUS121502E
FG
H3 H2 H1
FU1
V1
2P206687-4