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Experimental study of an R407C heat pump water heater.

Author(s) : MEI V. C., DOMITROVIC R. E., BREWER W. H., et al.

Summary

The purpose of the work was to investigate the possibility that R407C can replace R22 in existing heat pump water heaters (HPWHs). Simple replacement involves more capacity for the same equipment, but also more power consumption and a lower COP. When the HPWH was modified with a counter-cross-flow evaporator, the COP increased by an average of almost 20% and the heating capacity by 4% over the baseline case. The improved system COP is slightly higher than that of R22.

Details

  • Original title: Experimental study of an R407C heat pump water heater.
  • Record ID : 2002-0637
  • Languages: English
  • Source: ASHRAE Transactions. 2001 Winter Meeting, Atlanta, GA. Volume 107, part 1 + CD-ROM.
  • Publication date: 2001
  • Document available for consultation in the library of the IIR headquarters only.

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