DC Inverter U-match Series Duct Type Unit
(3) The air duct and round flange duct shall be concealed and kept warm well.
(4) The fresh air is the air after filtration.
Notice
①. The supply air duct, return air duct and fresh air duct shall have thermal
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.
②. Each supply air duct and return air duct shall be fixed on the floor prefabricated
slab with iron support; the air duct joint shall be tightly sealed with glue to
prevent leakage.
③. The design and construction of air duct shall meet related national engineering
specifications and requirements.
④. The distance between the edge of return air duct and wall is suggested to be
above 150mm, add filter screen for the return air inlet.
⑤. Noise reduction and shock absorption shall be considered in air duct design 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).
3.2.8 Installation of Wired Control
Please refer to the instruction manual of the wired control.
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:
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
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