Ecofit / Single Inlet Fans

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Standard specifications.
Ball bearings.
Cl.F windings protected by impedance or by thermal cut-out.
Protection IP 44.
Balancing G2.5.
Galvanized steel or plastic impeller.
Steel painted black or plastic (GRE) housing.

Conditions of use

Single Inlet conditions of use

Centrifugal fans with forward-curved impeller blades demand maximum motor power at maximum air flow rate and zero static pressure. Certain fan models have minimum pressure levels below which their motors will over-heat. Performance curves then terminate at minimum permitted pressure.
Impellers with forward-curved blades must be used with the scroll housing and inlet ring recommended by ECOFIT in order to obtain the performance levels declared by ECOFIT. Modifications to scroll or inlet will affect fan performance. If the scroll and inlet are part of an appliance, they must be of the same shape and size as the ECOFIT standard, or otherwise approved by ECOFIT.
Inlet rings and finger guards are available upon request. ECOFIT motors are speed controllable by voltage variation, but where electronic controllers are used they must be designed for electric motor duty and be compatible with ECOFIT products. Capacitors must be of the "motor run" type and be of the recommended value, voltage rating, and life expectancy.
The customer must test for motor total temperature in the application, with the worst operating conditions for the motor. ECOFIT should then validate the test results.

Recommended installation

Recommended Installation


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