Lower GWP refrigerant and Continuous Leak Detection in a French hypermarket
In order to anticipate the consequences of the F-Gas regulation and to reduce its carbon footprint, the French hypermarket Carrefour “2 vallées” in Givors, France, installed a DNI smart-level leak detection system and retrofitted its R-404A refrigeration system to R-448A, a refrigerant with a lower global warming potential (GWP) than R-404A. The hypermarket opened 40 years ago and is one of the Group’s three largest stores in the Lyon region. Remodelled in 2011 when Carrefour converted a number of its hypermarkets to Carrefour Planet stores to better meet its customers’ needs, the hypermarket now has more than 400 employees and a surface area of 12,000 m². Its refrigerated display shelves and refrigeration units are powered by 3 central units that were originally designed to run on R-404A.
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