Package Air Conditioners
3.6 Ductwork
1) The Bottom duct openings are covered when they leave the factory ready to be used for a side supply /
side return application.
2) If a bottom supply / bottom return application is desired, you simply remove the two covers from the
bottom of the unit and place them in
The side supply / side return duct openings
Cover for
Air Return
Cover for
Air Supply
Caution:
1) The design and installation of air ducts must be in conformity with the relevant state engineering
criteria.
2) Ductwork is to be constructed in a manner that limits restrictions and maintains suitable air velocity.
3) The air supply duct, the air intake duct must be covered with a layer of thermal insulation, so as to
avoid thermal leakage and condensation.
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using iron supports. The joints of the ducts must be sealed by glue so as to avoid leakage.
5) The edge of the air intake duct must be at least 150mm away from the wall.
6) Silencing and shock absorption shall be considered in the design and installation of the air ducts.
Additionally, the noise source must be far away from where people stay. The air intake shall not be located
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into the ductwork.
8) Each installation must include a return air filter. This filtering may be performed at the unit or
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9) Building condition and maintenance convenience should be taken into consideration when selecting the
installation method.
3.7 Installation of Condensate Pipe
After the unit is installed, it is required to check the level of the whole unit. The unit must be placed
horizontally to ensure the unit in proper function.
1) When shipped out from factory, both the condensate outlets are blocked by rubber plug. So before
installation, please take the rubber plug out.
