Service Manual

SiUS091133 Indoor Unit
Printed Circuit Board Connector Wiring Diagram 16
1.2 FTXS15/18/24/30/36LVJU
Connectors and
Other Parts
PCB (1): Control PCB
PCB (2): Signal Receiver PCB
PCB (3): Display PCB
PCB (4): INTELLIGENT EYE Sensor PCB
1) S1 Connector for DC fan motor
2) S21 Connector for centralized control (HA)
3) S25 Connector for INTELLIGENT EYE sensor PCB
4) S32 Indoor heat exchanger thermistor
5) S41 Connector for swing motors
6) S46 Connector for display PCB
7) S47 Connector for signal receiver PCB
8) H1, H2, H3, FG Connector for terminal board
9) JA Address setting jumper
 Refer to page 388 for detail.
10) JB Fan speed setting when compressor stops for thermostat OFF
JC Power failure recovery function (auto-restart)
 Refer to page 390 for detail.
11) LED A LED for service monitor (green)
12) FU1 (F1U) Fuse (3.15 A, 250 V)
13) V1 Varistor
1) S48 Connector for control PCB
1) S49 Connector for control PCB
2) SW1 Forced cooling operation ON/OFF button
 Refer to page 384 for detail.
3) LED1 (H1P) LED for operation (green)
4) LED2 (H2P) LED for timer (yellow)
5) LED3 (H3P) LED for INTELLIGENT EYE (green)
6) RTH1 (R1T) Room temperature thermistor
1) S36 Connector for control PCB