Wired remote controller
Electrical requirement
Remote controller cable
Minimum conductor size
mm
2
0.33
Maximum length m 500*
Wire type Use sheathed PVC cable, Polar 3 core
NOTES:
• *: This length shall be the total extended length in the system of the group. (Total length of
bus wire and remote controller cable.)
• Use confirmed cable with type 245 IEC 57.
• Perform all electrical work according to the standard.
CAUTION
• Be sure to execute the electrical work according to the Laws of each country and the Installation
Instructions. In addition, be sure to set as exclusive line and use the rated voltage and circuit
breaker.
• Above “Conductor size” and “Breaker capacity” are minimum value.
• Transmission cable between indoor unit and outdoor unit is 230 V.
• Regulation of conductor size and circuit breaker differs by each locality, refer in accodance with
local rules.
• Start wiring work after closing branch switch and over current breaker.
• Specific wiring requirement should be applied Type 245 IEC 57 or equivalent.
• To prevent the electrical noise malfunction and hazards from insulation failure, the unit should
be connected to ground.
• A disconnect switch may be required for ease of maintenance in accordance with local regula-
tion for each unit. Check the local rules and regulations. Make the wire length between discon-
nect switch and unit terminal as shot as possible.
• All field wiring and components must be provided by a licensed electrician.
• Use copper conductors only.
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4-2. Power supply cable wiring 4. Wiring design
SYSTEM
DESIGN
SYSTEM
DESIGN
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