(1) Due to direct contact with the outdoor environment and frequent erosion by rain and snow, prevention of these adverse factors should be considered during installation. The air duct board should be made of corrosion-resistant galvanized steel plate or non-metallic materials.
(2) To avoid condensation caused by excessive temperature difference between indoor and outdoor during cold seasons, it is necessary to conduct insulation treatment on indoor air ducts within 2 meters away from the outer wall louvered Air Vents. Considering the factor of snow accumulation, the height of the external wall Air Vent must be higher than the thickest snow layer to prevent blocking the air vent.
(3) Regarding the selection of external wall air vents, the area should be such that the wind speed passing through the exhaust outlet should not exceed 4m/s, and the wind speed at the inlet should not exceed 3m/s; Choosing a product that is both aesthetically pleasing and rainproof, with a sufficiently large effective area, as well as a smaller size and insufficient effective area of the air outlet, can reduce the system's air volume and increase noise
The the air vent manufacturer reminds the attention points of the louvered air vent. During the construction process of ventilation and air conditioning systems, some installation problems of the external wall louvered air vent are often encountered, in order to ensure the quality of the project and achieve the expected goals of the system.
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