Indoor Unit; Ctxs07Jvju, Ctxs09/12Hvju, Ftxs15/18Hvju - Daikin SUPER MULTI NX CTXS07JVJU Service Manual

Indoor Unit

1. Indoor Unit

1.1

CTXS07JVJU, CTXS09/12HVJU, FTXS15/18HVJU

Connectors and
PCB (1): Control PCB
Other Parts
1) S1
2) S6
3) S8
4) S21
5) S26
6) S28
7) S32
8) S35
9) H1, H2, H3, FG
10)JA
11)JB
12)LED A
13)FU1
14)V1
PCB (2): Signal Receiver PCB
1) S29
2) SW1 (S1W)
PCB (3): Buzzer PCB
1) S27
2) S38
3) RTH1 (R1T)
PCB (4): Display PCB
1) S37
2) LED1 (H1P)
3) LED2 (H2P)
4) LED3 (H3P)
PCB (5): INTELLIGENT EYE Sensor PCB
1) S36
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.
17
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
Address setting jumper
 Refer to page 265 for detail.
Fan speed setting when compressor stops for thermostat OFF
JC Power failure recovery function (auto-restart)
 Refer to page 266 for detail.
LED for service monitor (green)
Fuse (3.15 A, 250 V)
Varistor
Connector for control PCB
Forced operation [ON/OFF] button
Connector for control PCB
Connector for display PCB
Room temperature thermistor
Connector for buzzer PCB
LED for operation (green)
LED for timer (yellow)
LED for HOME LEAVE operation (red)
Connector for control PCB
Printed Circuit Board Connector Wiring Diagram
SiUS12-928_B