SiUS121632EA
Indoor Unit
Printed Circuit Board Connector Wiring Diagram
21
1.2
CTXS07LVJU, FTXS09/12LVJU
Control PCB
(PCB1)
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.
1) S1
Connector for DC fan motor
2) S21
Connector for centralized control (HA)
3) S25
Connector for INTELLIGENT EYE sensor PCB (PCB4)
4) S32
Indoor heat exchanger thermistor
5) S41
Connector for swing motors
6) S46
Connector for display PCB (PCB3)
7) S47
Connector for signal receiver PCB (PCB2)
8) H1, H2, H3, FG
Connector for terminal strip
9) JA
Address setting jumper
∗
Refer to page 215 for details.
10)JB
Fan speed setting when compressor stops for thermostat OFF
∗
Refer to page 217 for details.
11)JC
Power failure recovery function (auto-restart)
∗
Refer to page 217 for details.
12)LED A
LED for service monitor (green)
13)FU1 (F1U), FU2 (F2U)
Fuse (3.15 A, 250 V)
14)V1
Varistor
V1
FU1
S1
S41
S21
S47
JB
JA
JC
S46
S25
LED A
FU2
S32
FG
H1
H2
H3
2P206687-4