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About This Item

 

Full Description

The purpose of this standard is to provide test procedures for rating directly heated commercial service water heating equipment. Changes to the 2008 version include:

  • updated references
  • revisions of "Type IV" and "Type V" definitions
  • revised test methods and performance calculations
  • a new Appendix B4 to include heat transfer calculations for direct geoexchange and water-source heat-pump water heaters
  • a new Appendix B5 to establish test conditions for all heat-pump water heaters.

Keywords: Geothermal heat pump, Geothermal, Direct Expansion, Ground Source, DGX, DX, GSHP, Direct Geoexchange, Geoexchange

 

Document History

  1. ASHRAE 118.1-2012

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    viewing


    Electric and Oil Service Water Heating Equipment (ASHRAE/ANSI Approved)

    • Most Recent
  2. ASHRAE 118.1-2008


    Electric, and Oil Service Water Heating Equipment (ANSI/ASHRAE Approved)

    • Historical Version
  3. ASHRAE 118.1-2003


    Electric, and Oil Service Water Heating Equipment (ANSI Approved)

    • Historical Version
  4. ASHRAE 118.1-1993


    Electric, and Oil Water Heaters (ANSI approved)

    • Historical Version