AHRI 490 (I-P) and 491 (SI): Performance Rating of Remote Mechanical-Draft Evaporatively-Cooled Refrigerant Condensers

Standard Scope

This standard establishes a single set of requirements for the testing and rating of total heat rejection effect and fan or pump motor rated shaft output power for remote mechanical-draft evaporative refrigerant condensers; whereby, equipment performance ratings can be compared from product to product.

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AHRI 490-2011 (R2024) (I-P) Performance Rating of Remote Mechanical-draft Evaporatively-cooled Refrigerant Condensers

AHRI 491-2011 (R2024) (SI) Performance Rating of Remote Mechanical-draft Evaporatively-cooled Refrigerant Condensers