SiUS091601EA
Indoor Unit
Part 3 Printed Circuit Board Connector Wiring Diagram
26
Caution
Note
1.3 FTX18/24UVJU
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
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 207 for details.
10)
JB
Fan speed setting when compressor stops for thermostat OFF
Refer to page 209 for details.
11)
JC
Power failure recovery function (auto-restart)
Refer to page 209 for details.
12)
LED A
LED for service monitor (green)
13)
FU1 (F1U),
FU2 (F2U)
Fuse (3.15 A, 250 V)
14)
V1
Varistor
2P227881-6
FU1
V1
H1
H2
FG
H3
LED A
S32
S1
S41
S46
S25
S47
S21
JB
JA
JC
FU2
Summary of Contents for FTX-N Series
Page 18: ...SiUS091601EA 13 Part 2 Specifications 1 Specifications 14 Part 2 Specifications...
Page 198: ...Check SiUS091601EA 193 Part 6 Service Diagnosis 18 24 class R24538 1 2 3 4 Multimeter...
Page 201: ...SiUS091601EA Check Part 6 Service Diagnosis 196 18 24 class R24539 DC DC W V U...
Page 229: ...SiUS091601EA Piping Diagrams Part 8 Appendix 224 RXL15QMVJU RXL18UMVJU 3D100007 3D123368...
Page 230: ...Piping Diagrams SiUS091601EA 225 Part 8 Appendix RXL24UMVJU 3D107985A...
