AHRI 545: Performance Rating of Modulating Positive Displacement Refrigerant Compressors

Standard Scope

This standard applies to modulating compressors operating in subcritical applications including discrete modulating compressors and continuous modulating compressors. This standard 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.

Note: This standard has been consolidated into AHRI Standard 540-2020.

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