6.6 KDZ LONG-THROW VENTILATION GRILLE

In multi-purpose rooms/halls which are used in various ways, air-conditioning systems have to meet extended requirements. The rooms host both sport and culture events which require different amounts of supplied air and a variable difference in temperature of the air supplied and present in the room. In order to meet such requirements, the KDZ long-throw ventilation grille was developed. Its well-thought structure allows for the inflow of air to be fast and silent. High speed of the air supply enables deep penetration of the airstream in the vented room, thanks to which an entire room will be filled with fresh air. Another advantage of the ventilation grille is the fact that the airstream is divided into several smaller streams, which significantly increases induction. Temperature and speed of individual streams can be quickly reduced. It means that when cooling, a stream does not reach human working zone too quickly. At the same time, when heating,
the stream does not leave human working zone that fast. A KDZ long-throw ventilation grille, equipped with manually adjusted single nozzles, allows to shape the airstream freely (movement range of 450). KDZ-R ventilation grilles were designed for round ducts. The amount of supplied air can be controlled thanks to a slotted damper. For an extra charge, an assembly box (if a slotted damper is not used) can be used. The damper, situated at the end of the box (for an extra charge) can be used for easy adjustment of the amount of supplied air. All options can be used in VAV systems (range from 1000 to 400)

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