Fujitsu ARXG22KMLB Design & Technical Manual page 230

¢ System diagram
1 remote controller:
Indoor unit
A
Remote controller
¢ Electrical wiring
1 remote controller:
When there is
a functional
grounding
Group control:
When there is
a functional grounding
NOTE: Group connection with Polar 3-wired remote controller is not allowed.
13-9. Wired remote controller (UTY-RNRYZ*: Optional part)
2 remote controllers:
Indoor unit
B
Primary
Remote controllers
Indoor unit
Y1 Y2 Y3
Y1
Y2
Remote controller
Y1
Remote controller
A, B, C: Remote controller cable
A ≤ 500 m;B + C ≤ 500 m
C
Secondary
2 remote controllers:
Y1
When there is
a functional
grounding
Remote controller
Indoor units
Y2 Y3 Y1 Y2 Y3 Y1
Y1
Y2
- 222 -
Indoor unit
Y2 Y3
Y1
Y2
Remote controller
Y2 Y3 Y1 Y2 Y3
13. Remote controller
Y1
Y2