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ELECTRICAL WIRING
General Consideration
Followings are should be considered before beginning indoor unit wiring.
- Field-supplied electrical components such as power switches, circuit breakers, wires, terminal
boxes, etc should be properly chosen with compliance with national electrical legislation or
regulation.
- Make it sure that supplied electricity is enough to operate the product including outdoor unit,
electric heater, water tank heater, etc. The capacity of fuse also selected according to the
power consumption.
- The main electricity supply should be dedicated line. Sharing main electricity supply with other
devices such as washing machine or vacuum cleaner is not permitted.
When the connection line between the indoor unit and outdoor unit is over 40 m, connect the
telecommunication line and power line separately.
In order to avoid a hazard due to inadvertent resetting of the thermal cut-out, this appliance must
not be supplied through an external switching device, such as a timer, or connected to a circuit
that is regularly switched on and off by the utility.
If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or
similarly qualified persons in order to avoid a hazard.
CAUTION
!
• Before starting wiring job, the main electricity supply should be turned off until wiring is
completed.
• When adjusting or changing wiring, the main electricity supply should be turned off and
ground wire should be connected securely.
• Installation place should be free from the attack of wild animal. For example, mice’s wire
attacking or frog’s entering into the indoor unit may cause critical electrical accident.
• All power connections should be protected from dew condensation by thermal insulation.
• All electrical wiring should comply with national or local electrical legislation or regulation.
• The ground should be connected exactly. Do not earth the product to the copper pipe, steel
fence at the veranda, city water outlet pipe, or any other conductivity materials.
• Fix all cable using cord clamp tightly. (When cable is not fixed with cord clamp, use
additionally supplied cable ties.)
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