scope:

This standard applies to factory-made vapor compression refrigeration Water-chilling and Water-heating Packages including one or more compressors. These Water-chilling and Water-heating Packages include: 

Water-cooled, Air-cooled, or Evaporatively-cooled Condensers

Water-cooled heat recovery condensers

Air-to-water heat pump

Water-to-water heat pumps with a capacity greater or equal to 40 kW. Water-to-water heat pumps with a capacity less than 40 kW are covered by the latest edition of ASHRAE/ANSI/AHRI/ISO Standard 13256

Note: This standard includes products that may not currently be covered under an AHRI certification program

Purpose. The purpose of this standard is to establish for Water-chilling and Heat Pump Water-heating Packages using the vapor compression cycle: definitions; test requirements; rating requirements; minimum data requirements for Published Ratings; marking and nameplate data; conversions and calculations; nomenclature; and conformance conditions.

Intent. This standard is intended for the guidance of the industry, including manufacturers, engineers, installers, efficiency regulators, contractors and users.

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