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Retrofitting of R404a commercial refrigeration systems using R410a and R407f refrigerants.

Author(s) : BARTOLINI M., GAMBERI M., GAMBERINI R., et al.

Type of article: Article, IJR article

Summary

This paper presents an experimental analysis about the retrofitting of two commercial stationary refrigeration systems marketed by an Italian leading company. Such systems operate both at medium temperature (MT), i.e. [-5; 10]°C, and low temperature (LT), i.e. [-25; -15]°C, and they are originally designed to work with hydrofluorocarbon (HFC) R404a, known as a high global warming potential (GWP) fluid (GWP = 3922). The goal is to investigate the performances of HFC R410a (GWP = 2088) and R407f (GWP = 1825), chosen as effective alternatives to HFC R404a. Such fluids are compatible with the refrigeration systems, non-flammable and easy-available. Furthermore, they meet the European Union (EU) restrictions in force in the next future, so that they are suitable to start the transition toward efficient and eco-friendly refrigeration systems. The experimental campaign shows the feasibility of adopting R407f and R410a for the MT refrigeration system and R407f fluid for the system operating at LT.

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Pages: 142-152

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Details

  • Original title: Retrofitting of R404a commercial refrigeration systems using R410a and R407f refrigerants.
  • Record ID : 30014618
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 55
  • Publication date: 2015/07

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