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Energy efficiency, Safety and Sustainability of A2L low GWP HFO based refrigerant solutions in Heat Pump Applications.

Number: 1062

Author(s) : KÜPPER H. D., CHEREAU L., SAAB S.

Summary

Driven by energy efficiency requirements and legal restrictions like F-Gas Regulation Heat Pump OEM supplier are looking for alternative refrigerant solutions. HFO based low GWP refrigerants can help increasing the system efficiency, expanding the operating temperature range while causing lowest CO2 emissions. A2L classified refrigerants provide extended application range at highest safety level versus A3 classified refrigerants. But R-32 still carries a Global Warming Potential (GWP) of 675 that can only be a transition solution. This paper compares the results of a testing campaign highlighting different relevant parameters and pointing out the advantages provided by HFO A2L low GWP refrigerants (like R-454B & R-454C) for a wide capacity range of air to water and brine to water heat pumps. The importance of system re-design instead of drop-in replacement is being revealed.

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Pages: 8

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Details

  • Original title: Energy efficiency, Safety and Sustainability of A2L low GWP HFO based refrigerant solutions in Heat Pump Applications.
  • Record ID : 30028824
  • Languages: English
  • Subject: HFCs alternatives
  • Source: 2nd IIR Conference on HFO Refrigerants and Low GWP Blends
  • Publication date: 2021/06
  • DOI: http://dx.doi.org/10.18462/iir.HFO.2021.1062
  • Document available for consultation in the library of the IIR headquarters only.

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