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AHRI 551/591(SI):2011 (R2012)

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Performance Rating of Water-Chilling and Heat Pump Water-Heating Packages Using the Vapor Compression Cycle

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This standard applies to factory-made vapor compression refrigeration Water-Chilling and Water-Heating Packages including one or more hermetic or open drive compressors. These Water-Chilling and Water-Heating Packages include: Water-Cooled, Air-Cooled, or Evaporatively-Cooled Condensers; Water-Cooled heat reclaim condensers; Air-to-water heat pump; Water-to-water heat pumps with a capacity greater or equal to 135,000 Btu/h. Water-to-water heat pumps with a capacity less than 135,000 Btu/h are covered by the latest edition of AHRI Standard 320.

Author AHRI
Editor AHRI
Document type Standard
Format File
Confirmation date 2012-04-17
ICS 91.140.30 : Ventilation and air-conditioning systems
Year 2011
Document history
Country USA
Keyword ANSI 551;ANSI/AHRI 551;551;ANSI/AHRI Standard 551/591-2011