FEI is a wire-to-air, design-point metric emphasising compliant fan selections based on operating points. It is an energy-efficiency metric for fans, along with its motors and drives. The calculation process for this metric, is defined in ANSI/AMCA standard 208, calculation, of the fan energy index. This metric also, provides a standardised and consistent comparison of the fan’s energy performance, across the other fan types and sizes, at a given fan duty point. FEI also considers the effects of motors and drives, when included in fan-rating tests.
FEI has varied uses, like, the fan specifiers can utilised to understand and communicate the fan-efficiency design intent, while the legislative and regulatory bodies can use it to define energy-efficiency requirements of fans. The standards has been framed to pave way for the fan industries to enter, into energy and construction codes and standards and to support utility rebate programs.
FEI is a replacement for fan efficiency grade (FEG), a metric currently referenced in model energy codes and standards such as ANSI/ASHRAE/IES 90.1, energy standard for buildings except low-rise residential buildings; ANSI/ASHRAE/USGBC/IEC 189.1, standard for the design of high-performance, green buildings, except the low-rise residential buildings; and the international energy conservation code and in federal regulations in several Asian countries. FEI will replace FEG in energy codes, standards, and regulations as it is adopted through change proposals as part of routine revision cycles.
Twenty-seven ZAbluefin centrifugal fans different motors, combined with multiple combinations of GR modules, are certified as the former product range cpro, and C. Ziehl-Abegg has operated the world’s largest combined measurement and test chamber for fans in Kunzelsau since 2008. Ziehl-Abegg believes that state-of-the-art, high-precision measuring instruments and regular training for employees, combined with routine inspections by external organisations, such as AMCA and TUV, are rejuvenating the customers’ confidence in its products.
For more details –
Contact: vikas.kundra@ziehl-abegg.in
Visit: www.ziehl-abegg.in
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