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¢ System diagram
1 remote controller:
Indoor unit
A
Remote controller
¢ Electrical wiring
1 remote controller:
Y1
Y2
When there is
a functional
grounding
Group control:
When there is
a functional grounding
NOTES:
• Group connection with simultaneous multi system is not allowed.
• Group control with Polar 3-wired remote controller is not allowed.
2 remote controllers:
Indoor unit
B
C
Primary
Secondary
Remote controllers
Indoor unit
Y3
Y1
Y2
Remote controller
Y1
Y2
Y3
Y1
Y2
Remote controller
A, B, C: Remote controller cable
A ≤ 500 m;B + C ≤ 500 m
2 remote controllers:
Y1
Y2
Y3
When there is
a functional
grounding
Y1
Y2
Remote controller
Indoor units
Y1
Y2
Y3
Y1
Y2
Y3
- 33 -
Indoor unit
Y1
Y2
Remote controller
Y1
Y2
Y3
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