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CAREL USA displays CO2 controllers at FMI Energy & Store

Silvia Scaldaferri September 17, 2014

Three new CAREL controllers providing complete CO2 system management were presented at FMI Energy & Store Development Conference from September 7-9, 2014 in St. Louis (MO). The rack controller pRack pR100T for transcritical CO2 condensing units, pRack pR300 for subcritical CO2 systems, and the pRack pR300T for transcritical CO2 applications are part of CAREL’s range of retail solutions to fully integrate and energy optimise refrigeration.

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CaseStudy1 1

DTI at Gustav Lorentzen 2014: can ice storage and Vortex Flow Sensors improve CO2 system efficiency?

Silvia Scaldaferri September 16, 2014

The Danish Technological Institute (DTI) presented two papers on topics related to CO2 refrigeration systems at the 2014 Gustav Lorentzen Conference on Natural Refrigerants held in China from 31 August – 2 September. In the first presentation, ice storage for a transcritical refrigeration system is suggested in order to achieve greater energy savings in warmer climates, and flexible power consumption.

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CaseStudy1

Spain: New project promotes use of MHI CO2 heat pumps in hotels

Pilar Aleu September 12, 2014

The Hotel Technological Institute (ITH) in Spain has launched a new project with the aim of promoting the use of CO2 as a refrigerant. Thanks to Mitsubishi Heavy Industries (MHI) Q-Ton heat pump systems, which use climate-friendly CO2 as a refrigerant, hotels can increase energy savings and guarantee maximum performance while reducing their CO2 emissions.

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CaseStudy2 1

Gustav Lorentzen 2014: what will be the next big thing for CO2?

September 10, 2014

A wealth of new research and technological developments on CO2 as a refrigerant in centralised commercial refrigeration, heat pumps, glass door merchandisers and data centre cooling was presented at the 11th biennial Gustav Lorentzen conference on natural refrigerants. The event provided valuable insight into current and upcoming technology trends for all alternative refrigerants. Whilst CO2 stole the show, R744 research continues to focus on improving

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CaseStudy2

Latest research on CO2 refrigeration technologies for warm climates

Pilar Aleu September 10, 2014

Efficient CO2 refrigerant solutions for warm ambient temperatures was a key topic of discussion at the Gustav Lorentzen 2014 (GL 2014) Conference on Natural refrigerants, which took place from 31 August to 2 September 2014 in Hangzhou, China. R744.com, a silver sponsor of GL 2014 together with market development company shecco, reports on the latest technological developments and research into expanding the use of CO2 transcritical to southern climates, which represent a si

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Policy

DUH calls for swift switch to CO2 MAC technology in buses

Elke Milner September 4, 2014

The need to switch to environmentally friendly and safe refrigerants in mobile air conditioning systems (MAC) doesn’t stop at passenger vehicles, which have received considerable attention in recent months due to the controversy surrounding refrigerant R1234yf. The German Environmental Aid Association is now calling on transport companies and bus manufacturers to make the switch to CO2 MAC systems.

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