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Centrifugal design car park jet fans in a unidirectional execution. This range of centrifugal design jet fans excel in low built-in heights, high efficiency and low noise level. The installation height is only 268mm.
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 jet fan consists of a flat centrifugal fan Aluzink casing with an inlet cone on the bottom side to minimize the inlet losses. On the inlet side wire guards are mounted. With a special internal deflector the air stream flows in the desired direction. As standard, the jet fans are equipped with mounting feet for direct mounting to the ceiling.
The centrifugal impeller is coupled directly onto the motor shaft. All fans are statically and dynamically balanced in accordance with VDI 2060, ISO 1940 Class Q 6.3.
The motor is two-speed 3x400V, 50Hz for direct start. Motor protection min. IP55 in accordance with IEC 34-5. Insulation class F or H depending on temperature protection. The centrifugal jet fans have a terminal box which is integrated into the fan housing.
As standard, all jet fans are delivered in an Aluzink execution. 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 jet fans have been designed to comply with all the international machinery safety standards according to EN ISO 14121-1:2007.
The standard operating temperature is from -20°C until +40°C. Jet fans for hot smoke removal are certified in accordance to the EN 12101-3 in the classes F200 and F300.