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Field data of CO2 integrated refrigeration, heating and cooling systems for supermarkets.

Number: 1162

Author(s) : TOSATO G., MINETTO S., ROSSETTI A., HAFNER A., SCHLEMMINGER C., GIROTTO S.

Summary

The EU H2020 project MultiPACK has given the opportunity of installing three state-of-the art CO2 systems for supermarkets in South Europe, able to supply all the required thermal energy needs of the site, i.e. refrigeration, heating, cooling and hot water production. The MultiPACK units include parallel compression, ejectors for expansion work recovery and liquid recirculation and evaporator overfeeding, together with full monitoring of operation and performances. After more than one year of operations, field data of two supermarkets installed in Italy are presented and operating conditions and performance are illustrated; KPI indicators are evaluated to prepare for comparison with traditional solutions. A maximum monthly average COP of 4.2 was measured in central Italy in March 2020. The average specific energy consumption, due to Refrigeration, AC and heating, referred to the shopping area, was found to be 111 and 146 kWh m-2year-1 for the two sites.

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Field data of CO2 integrated refrigeration, heating and cooling systems for supermarkets

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Details

  • Original title: Field data of CO2 integrated refrigeration, heating and cooling systems for supermarkets.
  • Record ID : 30027938
  • Languages: English
  • Subject: Technology
  • Source: 14th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9th 2020.
  • Publication date: 2020/12/07
  • DOI: http://dx.doi.org/10.18462/iir.gl.2020.1162

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