INSTALLATION MANUAL 4.5Electrical Layout & Wiring Method
Electrical wiring varies as per models. Please refer to electrical wiring diagram for details when
proceeding electrical operation.
(Example)
Power supply
Main Power Switch / Fuse
(Purchased locally)
Power line for indoor and outdoor unit
Indoor Unit
Power line of
indoor and
outdoor unit
Outdoor Unit
Signal line of
indoor and
outdoor unit
Earth Connection Earth Connection
Interconnecting cable between indoor and outdoor unit
(With polarity)
Earth connection is necessary for air conditioner.
Power supply
Phase
Three-phase
Frequency & Voltage
50Hz, 400V
Input capacity
Main switch / Fuse
Indoor Unit (A)
Outdoor Unit (A)
Electrical
Wiring
Power supply for
indoor unit
Wiring qty.
Section area (mm )
2
Power supply for
outdoor unit
Wiring qty.
5
Section area(mm )
2
2.5
Dimensions for earth connection wire (mm )
2
2.5
Wiring section for interconnecting indoor and
outdoor unit
Cooling only: 4 X1.5
Heat pump
unit: 3X2.5
Heat pump
unit with service
electric heater:
(2X3)X2.5
3X16A
Attention:
1. Environmental conditions (environmental temperature, direct sun and rainwater, etc.) shall be
considered when proceeding electrical wiring and connection.
2. Dimensions of wires are minimum value of copper core wire. In case of voltage decreasing,
dimensions of power core wire should be increased by one grade.
3. Ground wire should be connected to outdoor unit and indoor unit.
4. The following diagram is an example of spot electric wiring so that the detailed wiring should be in
accordance with technical standard.
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