Fujitsu ARXG22KMLB Design & Technical Manual page 222

¢ 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
¢ Controller combination
As for the combined usage of the controller, refer to following figures.
 Good
UTY-RVNYM
13-8. Wired remote controller (UTY-RVNYM: Optional part)
2 remote controllers:
Indoor unit
B C
Primary Secondary
Remote controllers
1 (Red): 12 V
2 (White): Signal
3 (Black): COM
Indoor unit
UTY-RVNYM UTY-RVNYM UTY-RNNYM
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
Remote controllers
Indoor unit
SET TEMP. START/STOP
UTY-RVNYM UTY-RSNYM
- 214 -
1 (Red): 12 V
1 2 3
2 (White): Signal
3 (Black): COM
Secondary
Indoor unit
13. Remote controller