Air Handlers
4.7 Electrical Installation
4.7.1 Requirement and Notice on Electrical Installation
The electrical installation for the air conditioner should observe the following
requirements:
①. The electrical installation must be conducted by professionals in compliance
with local laws and regulations and the instructions in this manual. Never
extend the power cord. The electric circuit must be equipped with a circuit
breaker and air switch both with sufficient capacity.
②. The unit’s operating power must be within the nominal range stated in the
instruction manual. Use a specialized power circuit for the air conditioner. Do
not draw power from another power circuit.
③. The air conditioner circuit should be at least 1.5m away from any inflammable
surface.
④. The external power cord, connection wire of indoor unit and temperature
controller and the communication cords must be effectively fixed.
⑤. The external power cord, connection wire of indoor unit and temperature
controller and the communication cords can’t directly contact any hot objects.
For example: they must not contact chimney pipes, warm gas pipes or other
hot objects.
⑥. The external power cord, communication cords, and the connection wire of
indoor unit and temperature controller must not be squeezed. Never pull,
stretch or bend the wires.
⑦. The external power cord, communication cords and the connection wire of
indoor unit and temperature controller must not collide with any metal beam or
edge on the ceiling, or touch any metal burrs or sharp metal edge around.
⑧. Connect wires correspondingly by referring to the circuit diagram labeled on
the unit or electric box. Screws must be tightened up. Slipped screws must be
replaced by specialized flat-head screws.
⑨. Please use the power cables that are delivered along with the air conditioner.
Do not change the power cables arbitrarily. Do not change the length and
terminals of the power cables. If you want to change the power cables, please
contact Gree’s local service center.
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