AMCA Publication 211-22, Certified Ratings Program Product Rating Manual for Fan Air Performance, has been updated by Air Movement and Control Association International Inc. This revision prescribes technical procedures for rating fans and axial impellers for air performance. It is used in connection with the AMCA Certified Ratings Program (CRP).
Rev. 01-23 of AMCA Publication 211-22 coordinates the AMCA CRP with U.S. Department of Energy requirements for large-diameter ceiling fans. Changes were made to sections 9.11, “Rating method N: Large-diameter ceiling fans,” and 22, “Product Rating Requirements for Large-Diameter Ceiling Fans.”
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