Installation Of Air Duct - Gree FGR40Pd/D2Na-XI Manuel D'utilisateur

The Ducted Split Type Air-Conditioning Units(Inverter Series) Installation and Operation Manual
(3) It is strongly recommend to do the drain test before ceiling decoration.

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 in.) 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
No.
1
2
3
4
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Fig.10
Name
Hanger Rod
Return Air Duct
Canvas Duct
Return Air Inlet
6
Fig.9
No.
5 Static Pressure Box
6 Main Supply Air Duct
7
Name
Supply Air Outlet