AHRI 550/590 (I-P/2020): Performance Rating of Water-chilling and Heat Pump Water-heating Packages Using the Vapor Compression Cycle (with Addendum 1)

Standard Scope

This standard applies to modulating compressors operating in subcritical applications, including discrete modulating compressors and continuous modulating compressors. It also applies to the presentation of performance data for modulating compressors for air-cooled, evaporative-cooled or water-cooled air-conditioning, heat pump and refrigeration applications.

Free Download

© 2022, by Air-Conditioning, Heating, and Refrigeration Institute