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8. Examples for Bad Installation
The unit is not equipped with the air return pipe and the inner side of the suspending ceiling is used as the blast
pipe, causing the humidity increasing due to irregular air mass, strong wind or sunlight from the outside world.
There might be condensate dropping down at the outer side of the blast pipe. The humidity is high, even if the
inner side of the suspended ceiling isn't used as a blast pipe in new concrete buildings. At this time, the whole body
should use the thermo wool for heat preservation (the thermo wool can be packed with a steel wire).
It is operated under the conditions beyond the limits, leading to the overload of the compressor.
Affected by the capacity of the exhaust fan, and the strong wind and wind direction in the outer flue, when the
blowing quantity of the air conditioner exceeds the limits, the drained water of the heat exchanger will overow,
causing water leakage.
Piping Materials & Heat Insulating Materials
As to prevent condensation, heat insulating treatment should be
performed. The heat insulating treatment for piping should be done
respectively.
Piping Material
Hard PVC tube
VP31.5mm (inner bore)
Heat Insulating
Material
Vesicant polythene
thickness: over 7mm
Pipe Length & Height Difference
9. Refrigerant Pipe
Please refer to the attached manual of outdoor units.
Exhaust fan
Example of bad installation
9. lnstall outlet ange
Install outlet ange basis on the needs, the outlet ange is a standard component, bolts are laid in accessories box.
Note:
You can select not to connect with the ange. Instead of it you can use the round plastic air outlet (purchased
by user).
C
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