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Idiomas disponibles
Idiomas disponibles
Installation Procedures
Installation Procedures
9. 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 overflow, causing water leakage.
10. Refrigerant Tube
Tubing Permissible Length & Height Difference
Please refer to the attached manual of outdoor units.
Piping Materials & Heat Insulating Materials
As to prevent condensation, heat insulating treatment
should be performed. The heat insulating treatment
for gas and liquid piping should be done respectively.
Tubing Materials & Specifications
Model
Tubing Size
Gas pipe
(mm)
Liquid pipe
Tubing Material
Phosphor deoxybronze seamless pipe (TP ) for air conditioner
exhaust fan
example of bad installation
12
Piping
Hard PVC tube
Material
VP31.5mm(inner bore)
Heat Insulating
Vesicant polythene
Material
thickness: over 7mm
DVFA-140N-01M22
15.88
9.52
2
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