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ASHRAE STD 13256-2

1998 Edition, March 20, 2002

Complete Document

Water-source heat pumps – Testing and rating for performance – Part 2: Water-to-water and brine-to-water heat pumps

Includes all amendments and changes through Reaffirmation Notice , January 21, 2012


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SAME AS ISO 13256-2 & AHRI 13256-2
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Description / Abstract:

This part of ISO 13256 establishes performance testing and rating criteria for factory-made residential, commercial and industrial, electrically driven, mechanical-compression type, water-to-water and brine-to-water heat pumps. The requirements for testing and rating contained in this part of ISO 13256 are based on the use of matched assemblies.

Equipment designed for rating at one application under this part of ISO 13256 may not be suitable for rating at all applications covered in this part of ISO 13256.

This part of ISO 13256 does not apply to the testing and rating of individual assemblies for separate use or to units having two or more indoor sections connected to a single outdoor section. It does not apply to heat pumps covered in ISO 5151, ISO 13253, or ISO 13256-1.

Note: For the purpose of the remaining clauses, the terms "equipment" or "heat pump" may be used to mean "water-towater heat pumps" or brine-to-water heat pumps," and the term "liquid" refers to either "water" or "brine."
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