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Oval design car park jet fans in a unidirectional (AUZ) and fully reversible (ARP) version. This range of oval jet fans excels in low noise levels. The installation height is 422mm.
These compact and robust jet fans have been developed especially for the use in car parks. The jet fans have been designed for an optimal capacity, long life span and very reliable operation.
The internal fan housing consists of a round fan casing with flanges. Oval silencers have been mounted on both sides on the fan casing. The fan has been constructed with guide vanes for an optimal aerodynamic efficiency. On the unidirectional version a wire guard is mounted on the inlet side and a deflector on the discharge side. With deflectors the air stream flows in the desired direction. On the reversible version deflectors are mounted on both sides of the fan. As standard, the jet fans are equipped with mounting feet for direct mounting to the ceiling or wall.
The impeller consists of a hub in which special casted aluminium impeller blades have been mounted at a pre-determined pitch angle. The impeller is coupled directly onto the motor shaft. All fans are statically and dynamically balanced in acc. with VDI 2060, ISO 1940, 1-1986 Class Q 6.3.
The motor is two-speed 3x400V, 50Hz or 3x380V, 60Hz for direct start. Motor protection min. IP55 in accordance with IEC 34-5. Insulation class F or H depending on temperature protection. The jet fans are equipped with a terminal box on the outside of the fan casing.
As standard, the fan casings and mounting frames are hot-dip galvanized steel. The silencers are an Aluzink execution. A powder coating in any desired color is available as an option. In the standard execution the jet fans meet the requirements for operation in unheated, low corrosive environments according to DS/EN ISO 12944-2, corrosion category C3.
The standard operating temperature is from -20 until +40°C. Jet fans for hot smoke removal are certified according to the EN 12101 part 3 in the classes F200/F300/F400.