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AHRI 540

Performance Rating of Positive Displacement Refrigerant Compressors and Compressor Units

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Organization: AHRI
Publication Date: 1 January 2015
Status: active
Page Count: 26
scope:

This standard applies to positive displacement refrigerant Compressors operating in subcritical applications at a fixed displacement. This standard also applies to the presentation of performance data for Compressors for air-cooled, evaporative-cooled or water-cooled air-conditioning, heat pump and refrigeration applications. The manufacturer is solely responsible for the determination of values to be used in published product information. This standard stipulates the minimum amount of information to be provided and suggests a method to be used to verify the accuracy of that information.

Exclusions.

This standard does not apply to Compressors employing ammonia, as covered in ANSI/AHRI Standard 510 or carbon dioxide in subcritical and transcritical applications, as covered in ANSI/AHRI Standard 570 (I-P) and ANSI/AHRI Standard 571 (SI).

This standard does not apply to modulated refrigerant mass flow Compressors or Compressors utilizing vapor injection for the purpose of subcooling to gain capacity.

This standard does not apply to Compressors intended for use in:

Household refrigerators and freezers

Automotive air-conditioners

Dehumidifiers

Industrial products other than heating and cooling

Purpose. The purpose of this standard is to establish, for Compressors: definitions, test requirements, rating requirements, minimum data requirements for Published Ratings, operating requirements, marking and nameplate data, and conformance conditions.

Intent. This standard is intended for the guidance of the industry, including manufacturers, engineers, installers, contractors and users. The standard defines the minimum amount of information, in a standard form to enable the evaluation and comparison of different Compressors for use in a particular application.

Review and Amendment. This standard is subject to review and amendment as technology advances.

Document History

AHRI 540
January 1, 2015
Performance Rating of Positive Displacement Refrigerant Compressors and Compressor Units
This standard applies to positive displacement refrigerant Compressors operating in subcritical applications at a fixed displacement. This standard also applies to the presentation of performance...
540
January 1, 2004
Performance Rating Of Positive Displacement Refrigerant Compressors And Compressor Units
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...
540
January 1, 1999
Positive Displacement Refrigerant Compressors and Compressor Units
A description is not available for this item.
540
January 1, 1999
Positive Displacement Refrigerant Compressors and Compressor Units
A description is not available for this item.
540
January 1, 1991
Method for Presentation of Compressor Performance Data
A description is not available for this item.

References

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