EC/AC centrifugal fans RadiCal

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EC/AC centrifugal fans – RadiCalImpellers made of high-tech compound material with optimised flow control,combined with proven single- or 3-phase asynchronous motors orhighly efficient GreenTech EC motors: these are the outstanding featuresof the new generation of backward-curved centrifugal fans for operationwithout scroll housing. That's RadiCal!The impellers in sizes 133 to 630mm are made of a single-piece specialcompound material which allows for high rotational speed, and thus forthe high power density of the fan. The impeller styling has been optimisedusing complex simulation models adjusted to perfection by checkingagainst prototypes. The result is an optimal, low-loss flow of air throughthe impeller and so there are no longer any drastic cross-sectional changes,a well-known source of losses in the impeller. A uniform flow profilewithout separations also means fewer noise sources and thus betteracoustics. That's RadiCal, too!The new motor in GreenTech EC technology with integrated control electronicsis designed in such as way as to make the RadiCal fans in sizes190 up to 250mm have the same mounting dimensions as the combinationof the same impeller with an asynchronous motor. In addition, thespecified EC centrifugal fan achieves significantly higher air performancethan the AC variant with identical dimensions. The small GreenTech ECfans are available in two different control configurations: one with twofixed speed stages and another with the familiar continuous control optionvia a combined 0-10V/PWM control input. Sizes exceeding 250mm can becontrolled by a 0-10V/PWM input signal or monitored respectively controlledvia RS485 serial connection, using the MODBUS-RTU protocol.This opens up entirely new possibilities for applications in ventilation andair-conditioning and beyond. For example, ebm-papst AC fans can now bereplaced by the latest fans in GreenTech EC technology without anyexpensive modification.Advantages at a glance:– High efficiency with improved impeller technology and new EC motors– Perfectly matching components (controller/motor/impeller)– Extremely quietly running with optimised air flow through the impeller– Significantly reduced tonal noise– Unrivalled compactness– Mechanical compatibility of AC and EC fans– EC fans with 2 speeds or continuous control– High power density– Robust design and maintenance-free operation– Easy initial set-up– ErP* compliant (see individual designation)*ErP: Energy-related Products directive – defined minimum requirementsfor fans in accordance with the EcoDesign directive for fans with adrive output of 125 W and above.2
Table of contentsEC/AC centrifugal fans - RadiCal 2GreenTech: The Green Company 4EC centrifugal fans - RadiCal Ø 133-630 7AC centrifugal fans - RadiCal Ø 133-630 101Accessories 158Electrical connections 163Technical parameters & scope 172ebm-papst representatives & subsidiaries 1763
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EC/AC centrifugal fans RadiCal

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