Ducted Type Split Air-Conditioner Units(Inverter Series)
6
2.4 Installation of Air Duct
NOTES
!
①
There should be insulating layer on air-out duct, air-return duct and fresh air duct to
avoid heat loss and moisture. Adhere a nail on the air duct and then add thermal
sponge with a layer of tin. Fasten it with a nail cover and then seal the junction with
tin tapes. You can also use other materials that have good insulation quality.
②
Each air-out duct and air-return duct should be fixed on a pre-made board with iron
frame. The junction of air duct should be well-sealed in order to prevent air leakage.
③
The design and construction of air duct should comply with national requirements.
④
The edge of air-return duct is suggested to be more than 150mm(5-7/8 inch.) away
from the wall. Add a filter to the air-return opening.
⑤
Please consider noise-damping and vibration damping for the design and
construction of air duct. Besides, noise source must be away from people. For
instance, do not have the air-return opening installed on top of the user (Offices, rest
area, etc.).
2.4.1 Installation of Air-out Duct
(1) Installation of the Rectangular Duct.
Fig.10
No.
Name
No.
Name
1
Hanger Rod
5
Static Pressure Box
2
Return Air Duct
6
Main Supply Air Duct
3
Canvas Duct
7
Supply Air Outlet
4
Return Air Inlet
-
-
2.4.2 Shape and Size of Air Outlet and Air-Return Opening
Unit:mm
Fig.11 Air Outlet
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