7. Electrical Wiring
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The electrical wiring work must be performed by authorized installers. If not performing the
electrical work completely or a capacity shortage of the power circuit, it may cause an electric
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Perform the electrical work according to each regulation of region and “Installation & Maintenance
Manual” of the outdoor unit, and the dedicated electrical circuit must be utilized. If not performing
the electrical wiring work completely or a capacity shortage of the power circuit, it will cause an
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Turn OFF the main power switch to the indoor unit and the outdoor unit and wait for more than
3 minutes before electrical wiring work or a periodical check is performed.
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Check to ensure that the indoor fan and the outdoor fan have stopped before electrical wiring work
or a periodical check is performed.
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Protect the wires, electrical parts, etc. from rats or other small animals.
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Avoid the wirings from touching the refrigerant pipes, plate edges and electrical parts inside the
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Use a medium sensing speed type ELB (Earth Leakage Breaker, activation speed of 0.1 sec. or
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Tightly clamp wires by the cord clamp after the wiring is completed to the terminal board. In
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wires.
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Tighten screws according to the following torque. If tightening work is not completed, it may cause
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M4: 1.0 to 1.3 N-m
M5: 2.0 to 2.4 N-m
M6: 4.0 to 5.0 N-m
M8: 9.0 to 11.0 N-m
M10: 18.0 to 23.0 N-m
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