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About This Item

 

Full Description

The purpose of this standard is to establish, for unit coolers for refrigeration; definitions and classifications; requirements for testing and rating; operating requirements; and conformance conditions. This standard applies to factory-made forced circulation free-delivery unit coolers for refrigeration, as defined in Section 3, for operation under either frosting or non-frosting conditions, using volatile refrigerants.
 

Document History

  1. AHRI 420-2008


    Performance Rating of Forced-Circulation Free-Delivery Unit Coolers for Refrigeration

    • Most Recent
  2. AHRI 420-00

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    Unit Coolers for Refrigeration

    • Historical Version
  3. AHRI 420-94


    Unit Coolers for Refrigeration

    • Historical Version