AHRI 550/590-2003: Performance Rating of Water Chilling Packages Using the Vapor Compression Cycle

Program Scope
This standard establishes a single set of testing and rating requirements for determining capacities, energy efficiencies (power input per ton, EER, or COP), water pressure drop, IPLV (integrated part load value), and NPLV (non-standard part load value) for water chilling packages using the vapor compression cycle; whereby, equipment performance ratings can be compared from product to product. The standard applies to chilling packages including one or more hermetic or open drive compressors (centrifugal, rotary screw, scroll, reciprocating, or other types), equipped with either water-cooled, air-cooled, evaporative-cooled condensers or supplied without a condenser.

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AHRI Standard 550/590-2003

Copyright 2003, by Air-Conditioning, Heating, and Refrigeration Institute