Installation Procedure
Installation of indoor unit
When installing the ceiling concealed type indoor unit, a specially designed return air bellows shall be installed, as shown in Figure 3, Figure 4.
Figure 3
Installing building roof
*0.5m or*5m | A |
Ceiling |
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Unit | Return air bellows |
Air supply Air outlet duct | Return air |
Detail A |
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Figure 4 | Air outlet grille |
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Air supply
No obstacles within 1 m
Return air bellows
Unit
Return air
Each air return and supply duct should fix to the floor precast slab by using an iron stand. Use glue to seal the interface closely. Recommend the distance between the air return duct and the wall is more than 150mm.
The distance between air duct outlet and air conditioner outlet is according to the length of actually installed air duct and in service behavior of the static pressure terminal: Installation sketch map for long and short air duct is showed below, when connect to short air duct, using low static terminal (terminal color is write), the distance between air duct outlet and air conditioner outlet is no more than 0.5m; when connect to long air duct, using middle static terminal (terminal color is red), the distance between air duct outlet and air conditioner outlet could be within 5m at this point.
Figure 5
sling dog |
| joint of air diffuser |
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| |
drain piping |
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air return duct |
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transition | air outlet | air diffuser |
air return shutter air duct | duct |
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Drain piping of condensed water should keep a downhill grade of 1% or more. Use insulating pipe to cover the drain piping of condensed water to keep warmth.
As figure shown, suspend and install the unit.
Figure 6 | M8 broad foundation bolt |
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| M8 suspension screw | Unit |
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| M8 broad lock ring |
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| M8 nut |
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| Figure 5 |
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