Indoor Unit SiUS122226E
30 Part 3 Printed Circuit Board Connector Wiring Diagram
1. Indoor Unit
1.1 CTXS07WVJU9, FTXS09/12/15/18/24WVJU9
Control PCB
(PCB1)
Replace the PCB if you cut a jumper unintentionally.
Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of them.
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 Connector for indoor heat exchanger thermistor (R2T)
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 252 for details.
10) JB Fan speed setting when compressor stops for thermostat OFF
Refer to page 255 for details. (07/09/12 class)
11) JC Power failure recovery function (auto-restart)
Refer to page 255 for details. (07/09/12 class)
12) LED A LED for service monitor (green)
13) FU1 (F1U),
FU2 (F2U)
Fuse (3.15 A, 250 V) (FU2 for 15/18/24 class)
14) V1 Varistor
V1
FU1FU2
S1S41
S21
S47
JA
JC JB
S46
S25
LED A
S32
FG
H1
H2H3
2P677796-4
2P677796-6
To Next Page
Loading...
Need help?
General
