This standard applies to electric motor driven, single and variable capacity positive displacement refrigerant compressors and compressor units. This standard also applies to the presentation of performance data for positive displacement refrigerant compressors and compressor units for air-cooled, evaporatively-cooled or water-cooled air-conditioning, heat pump and refrigeration applications.
ANSI/AHRI 540-2004 history
2015ANSI/AHRI 540-2015 Performance Rating of Positive Displacement Refrigerant Compressors and Compressor Units
2004ANSI/AHRI 540-2004 Positive Displacement Refrigerant Compressors and Compressor Units (formerly ANSI/ARI 540-2004)