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AHRI Announces Publication Of Addendum to Standard 210/240
May 10, 2019

The Air-Conditioning, Heating and Refrigeration Institute (AHRI) has announced the publication of a new version of AHRI Standard 210/240-2017 with Addendum 1, Performance Rating of Unitary Air-conditioning & Air-source Heat Pump Equipment. The new version is now available for free download on the AHRI website. This addendum modifies the 2017 Edition as follows:
• Added latent cooling capacity, oil recovery mode, sensible cooling capacity, system controls, total cooling capacity, and total heating capacity definitions;
• Clarified manufacturer requirements for variable speed equipment;
• Added oil recovery test requirements;
• Revised required tests; and
• Corrected equations.

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