Fujitsu ABYG30LRTE - System diagram; Electrical wiring; Controller combination

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System diagram
1 remote controller:
A
Indoor unit
Remote controller
2 remote controllers:
Primary
Secondary
B C
Indoor unit
Remote controllers
A, B, C: Remote controller cable
A ≤ 500 m;B + C ≤ 500 m
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Electrical wiring
1 remote controller:
Remote controller
1 (Red): 12 V
2 (White): Signal
3 (Black): COM
Indoor unit
Remote
controller
1 2 3
1 2 3
2 remote controllers:
Remote controllers
1 (Red): 12 V
2 (White): Signal
3 (Black): COM
Primary Secondary
Indoor unit
1 2 3
1 2 3 1 2 3
Remote
controller
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Controller combination
As for the combined usage of the controller, refer to following figures.
 Good
UTY-RVNYM UTY-RNNYM UTY-RVNYM UTY-RSNYM
Indoor unit
UTY-RVNYM
SET TEMP.
START/STOP
Indoor unit
Indoor unit
UTY-RVNYM
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7-5. Wired remote controller (UTY-RVNYM: Optional part) 7. Remote controller
SYSTEM DESIGN SYSTEM DESIGN