12 International News CO2OLtec reaches way down south
CARRIER COMMERCIAL REFRIGERATION Ibérica has reached a new milestone with the installation of its
southern-most CO2OLtec refrigeration system in a Carrefour hypermarket in Alzira, Valencia, Spain. The environmentally sustainable system uses the
natural refrigerant CO2 to reduce the store’s carbon footprint and improve energy efficiency. This installation represents a significant step towards expanding the use
of CO2 refrigeration systems in areas with higher ambient temperatures.
Located in eastern Spain, temperatures in Alzira average 30°C in summer.
Such consistently high temperatures are known to have an effect on the
efficiency of transcritical CO2 refrigeration systems. Carrier’s solution uses mechanical hydrocarbon
sub-coolers and economisers incorporated in the
transcritical CO2 booster system to allow food retail stores situated in higher- temperature regions to install natural refrigerant solutions that can reduce greenhouse gas emissions and consume less energy than traditional systems using hydrofluorocarbon (HFC) refrigerants.
“We’re looking to install
more CO2 refrigerant solutions as part of our strategy to gradually substitute hydroflurocarbon-based refrigerants in our facilities since 2013,” said José Francisco Mollá, technical director, Carrefour España. “We’ve already installed four
full CO2 systems in stores across Spain, and have been happy with the outcomes in terms of energy efficiency. “We’re particularly interested in how this
installation will compare, given the difference in ambient climate to our other installations to date, which are located in northern Spain.” “The successful installation
of our CO2OLtec system in Alizira demonstrates the high performance of our leading technology in warmer
climates,” said Manuel López Monge, sales director, Carrier Commercial Refrigeration Ibérica. “It represents our commitment to reducing greenhouse gas emissions and our ambition to provide supermarkets with cost- effective natural refrigerant solutions worldwide.”
Co2oltec plant room.
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Carrier self-service counters at Carrefour Alzira.
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Contractors’ & Installers’ Handbook
Contractors’ & Installers’ Handbook 2014
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