Fujitsu AUXG18KVLA Design & Technical Manual page 163

¢ 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
7-5. Simple remote controller (UTY-RSNYM)
2 remote controllers:
Indoor unit
B C
Primary Secondary
Remote controllers
1 (Red): 12 V
2 (White): Signal
3 (Black): COM
- 155 -
A, B, C: Remote controller cable
A ≤ 500 m;B + C ≤ 500 m
2 remote controllers:
Indoor unit
Remote
controller
1 2 3
1 2 3
Primary Secondary
Remote controllers
1 (Red): 12 V
1 2 3
2 (White): Signal
3 (Black): COM
7. Remote controller (Optional part)