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EC Roof fans(EX/FNS/RF/001)

Material Supply SKU #: Z-EC-ROOF-FANS-EX-FNS-RF-001-5729

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Base frames with threaded bolts for tightening of suction side accessories and retracted inlet cone made of galvanised sheet metal steel. Rain protective hood and square casing made of seawater-proof aluminium. Motor cage with integrated contact-protection made of plastic coated round bar steel. Housing with integrated sound insulation (S) for design DV(S)...G, DVE(S)...G and DVW(S)...G.

Properties

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  • flow rates up to 15,000 m³/h
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  • size: 190 - 710 mm (impeller diameter)
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  • vertical outlet
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  • highly efficient EC technology
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  • backward curved impellers
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  • mounted on/off switch
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  • solid weatherproof casing
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  • easy to install
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  • integrated control system (EC controller)
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  • speed is 100% infinitely variable
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  • integrated pressure sensor (type: pressure control)
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    Impellers

    nImpellers are mounted directly to the rotor of the external rotor EC motor and are dynamically balanced on two levels with the rotor according to quality level G 2,5 / G 6,3 as per DIN ISO 21940-11. n
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    model - DV(S)...G
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    Backward curved impellers made of plastic.
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    model - DVE(S)...G
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    Efficiency optimized and sound optimized backward curved impellers of the REVOLUTION series made of plastic.
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    model - DVW(S)...G
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    Efficiency optimized backward curved impellers made of aluminum.
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    Electrical connection

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    up to size 225
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    The motors are equipped with a built-on terminal box with easy access for electrical connection after removal of the rain cover.
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    from size 250
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    The electrical connection is possible over the mounted ON/OFF-switch.
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    Type "open loop"
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    In the “open loop” (standard) model, the speed is continuously provided by a 0-10V signal or a potentiometer (accessories).
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    Type "closed loop"
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    In the “closed loop” model, the pressure setpoint is continuously provided via a pre-wired potentiometer or a 0-10V signal. The pre-assembled pressure sensor has a display (Sizes 190-310 without display) with an adjustable pressure measurement range of (100 Pa, 300 Pa, 500 Pa, 1000 Pa).
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