SiUS121632EA
Indoor Unit
Printed Circuit Board Connector Wiring Diagram
25
1.4
FDXS09/12LVJU, CDXS15/18LVJU
Control PCB
(A1P)
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 AC fan motor
2) S7
Connector for AC fan motor (Hall IC)
3) S21
Connector for centralized control (HA)
4) S26
Connector for display/signal receiver PCB (A2P)
5) S32
Connector for indoor heat exchanger thermistor
6) H1, H2, H3
Connector for terminal block
7) FG (GND)
Connector for terminal block (ground)
8) JA
Address setting jumper
∗
Refer to page 215 for details.
9) JB
Fan speed setting when compressor stops for thermostat OFF
∗
Refer to page 217 for details.
10) JC
Power failure recovery function (auto-restart)
∗
Refer to page 217 for details.
11) LED A
LED for service monitor (green)
12) FU1 (F1U)
Fuse (3.15 A, 250 V)
13) V1
Varistor
H2
H1
H3
FG
JB
S21
2P292535-1
LED A
JC
JA
S7
S1
S26
V1
S32
FU1