Fujitsu AUU7RLF Design & Technical Manual page 131

¢ System diagram
1 remote controller:
Indoor unit
A
Remote controller
¢ Electrical wiring
1 remote controller:
Indoor unit
Remote
controller
1 2 3
1 2 3
Remote controller
13-4. Simple remote controller (UTY-RSNUM: Optional part)
2 remote controllers:
Indoor unit
B C
Primary Secondary
Remote controllers
1 (Red): 12 V
2 (White): Signal
3 (Black): COM
- 123 -
A, B, C: Remote controller cable
A ≤ 1,640 ft (500 m);B + C ≤ 1,640 ft (500
2 remote controllers:
Indoor unit
Remote
controller
1 2 3
1 2 3 1 2 3
Primary Secondary
Remote controllers
m)
1 (Red): 12 V
2 (White): Signal
3 (Black): COM
13. Remote controller