4-2. Power supply cable wiring
¢
Power supply cable specifications
Indoor unit
Electrical requirement
Power supply cable
Minimum conductor size
mm
2
1.5
Transmission cable
Bus wire
Minimum conductor size
mm
2
0.33
Maximum length m 500*
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. (Power supply cable or transmission cable)
• Perform all electrical work according to the standard.
• Install a circuit breakers, which have the terminal spacing of more than 3 mm, in a place of
near the indoor unit and outdoor unit.
• Wiring size must comply with the applicable local and national code.
Outdoor unit
Breaker and wiring specifications
Breaker capacity A 30
Power supply cable Minimum conductor size
mm
2
6
NOTES:
• Use confirmed cable with type 245 IEC 57.
• Perform all electrical work according to the standard.
• Install a circuit breaker with a contact gap of at least 3 mm in all poles nearby the units.
(Both indoor units and outdoor units)
• Install the circuit breaker nearby the units.
• Wiring size must comply with the applicable local and national code.
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4-2. Power supply cable wiring 4. Wiring design
SYSTEM
DESIGN
SYSTEM
DESIGN
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