DC Inverter Duct Type Air Conditioner Installation and Operation Manual
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wire controller, indoor unit and outdoor unit) must be ready before the installation, so as to achieve smooth
installation.
2. Drill an opening on the ceiling. Maybe it is required to support the ceiling to ensure the evenness of it and
avoid the vibration of it. Consult with the user or a construction company for details.
3. In case the strength of ceiling is not enough, use angle iron sections to set up a beam support. Place the
unit at the beam and x it.
8.2.3 Level Check of the Indoor Unit
After the indoor unit is installed, it is required to check the level of the whole unit. The unit must be placed
horizontally, but the condensate pipe shall be installed obliquely, so as to facilitate the drainage of condensate.
Fig.41
8.2.4 Installation of Rectangular Air Pipe
Fig.42
Cautions:
The air supply pipe, the air intake pipe and the fresh air pipe must be covered with a layer of thermal
insulation, so as to avoid thermal leakage and condensation. Firstly apply liquid nail on the pipes, then attach
the thermal insulation cotton with a layer of tinfoil. Use the liquid nail cover to x it. Lastly use tinfoil adhesive
tape to carefully seal the joints; other good thermal insulation materials can also be used.
The air supply pipes and the air intake pipes shall be xed to the prefabricated boards of the ceiling by using
iron supports. The joints of the pipes must be sealed by glue so as to avoid leakage.
The design and installation of air pipes must be in conformity with the relevant state engineering criteria.
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