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DUS is a hemisphere-shaped displacement ventilation diffuser designed for exposed installation, mounted preferably under seats/chairs, on the vertical surface of the stair or step. It is connected to either the common pressure chamber under the auditorium, or directly to an individual air connection ducts. The perforated front diffuser ensures uniform, low velocity air distribution across the entire front surface area. DUS is ideal for applications such as movie theaters, congress halls, and schools. The diffuser features a perforated front grille, and a back section with a circular spigot connection for easy integration into various ventilation systems. The unit is alos equipped with a deflector plate, that is able to increase the pressure drop to 15-35 Pa, depending on the position of the plate, providing a more even air distribution.
The DUS displacment diffuser unit is suitable for various applications such as offices, restaurants, production halls, and public spaces, especially in locations with high ceilings. The HC should be installed close to the floor to deliver air directly to the occupied zone. Special consideration must be given to the room characteristics, including the placement of radiators, doors, cold walls, windows admitting significant sunlight, and occupants. The recommended temperature difference (∆t) is -3 to -4°C.
Ø100 mm
35 - 75 m³/h (10-21 l/s)
The external front perforated panel, and internal air deflectors are constructed from sheet steel. All visible parts are powder-coated in standard white RAL9003 color.
