6.5 ZNW БЛОКА ПИТАНИЯ-ВЫТЯЖНАЯ

It is difficult to use ceiling air vents in low rooms. However, it is still possible to utilise air-supply/air-exhaust grates mounted on walls which ensure proper ventilation of the room. The air is tangentially supplied from the ceiling, from one side of the room. Thanks to this, an air cylinder is created which effectively ventilates the entire area guaranteeing even distribution of fresh air. All ZNW grate designs ensure a stable air stream for temperature difference DT0 = -10K which does not fall in an uncontrollable manner to the zone where people are present. The permissible volume of supplied air depends on the speed of
the air stream which returns through the zone where people are present. The recommended air exchange volume is max. 5 w/k.

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