Electrical Installation - Gree GUD71PH/A-T Owner's Manual

NOTES:
The supply air duct, return air duct and fresh air duct shall have thermal
①.
insulation layer to prevent heat leakage and condensation. Stick the plastic
nail to the air duct, then attach the heat preservation cotton with tinfoil and fix it
with plastic nail cover, finally, seal the connection joint with tinfoil tape tightly;
other materials with good thermal insulation effect can also be used.
Each supply air duct and return air duct shall be fixed on the floor prefabricated
②.
slab with iron support; the air duct joint shall be tightly sealed with glue to
prevent leakage.
The design and construction of air duct shall meet related national engineering
③.
specifications and requirements.
The distance between the edge of return air duct and wall is suggested to be
④.
above 150mm, add filter screen for the return air inlet.
Noise reduction and shock absorption shall be considered in air duct design
⑤.
and construction. Moreover, the noise source shall avoid the crowd, e.g. the
return air inlet shall never be designed at the top of the user (office and rest
area).

3.3 Electrical Installation

3.3.1 Requirement and Notice on Electrical Installation
:
WARNING
The electrical installation for the air conditioner should observe the following
requirements:
The electrical installation must be conducted by professionals in compliance
①.
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.
The unit's operating power must be within the nominal range stated in the
②.
instruction manual. Use a specialized power circuit for the air conditioner. Do
not draw power from another power circuit.
The air conditioner circuit should be at least 1.5m away from any inflammable
③.
surface.
DC Inverter U-match Series Duct Type Unit
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