cold air in the room during operation of the supply and exhaust ventilation is prevented by a special damper located in the housing.
The standard forced exhaust has a single fan and is intended for small rooms. In the modular type SV, the equipment is the same, but it is placed separately. The system capacity is in the range of 80-7,000 m3/h.
From practical recommendations of experienced craftsmen it chinese overseas europe data that in a small house consisting of 2 rooms, an exhaust hood that processes from 200 to 300 m3 of air per hour works effectively.
In large buildings it is necessary to install hoods with a capacity of 350 to 500 m3/h.
The kitchen hood is usually placed above the stove. The hood must extend beyond the stove by 100-150 mm.
The performance is selected based on the parameters of the room using the formula:
P = S x H x 12
Where the first symbol denotes the power, the second — the area, the third — the height of the kitchen.
Depending on the installation method, kitchen hoods can be suspended, wall-mounted, island, built-in, and by the type of operation, circulation and supply.
Air ducts usually run along an indirect trajectory, which can reduce the exhaust power. To ensure this, 30% is added to the calculated value. The installation technology is simple, so once you understand the diagram, you can do all the work yourself.
When there is no built-in air handling unit, first make a hole in the wall that matches the diameter of the exhaust pipe. If you ignore this recommendation, the work will be accompanied by increased noise, and the air will come out at a lower speed.
Kitchen hood installation technology
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