Installation Of Air Duct - Gree GMV-ND224PH/A-T Owner's Manual

Multi Variable Air Conditioners Ducted Type Indoor Unit
(2) Check if the water drains smoothly from the drain pipe and check if there is water leakage on
the connection pipe.
(3) Arrange insulation of drain hose and pipe clamp after checking the drain system.

4.4 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 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).
4.4.1 Installation of Air-out Duct
Installation of the Rectangular Duct
4.4.2 Shape and Size of Air Outlet and Air-return Opening
Fig.4.4.1
Fig.4.4.2 Air Outlet
12
Unit: mm