Nissui Logistics Corporation, the first to test the NewTon system in 2008, employs it at expanded Osaka-Maishima Logistics Center.
The new courses cover ammonia, CO2, and how heat pumps can be used to increase energy efficiency.
This unit bridges the gap between a small-capacity ice maker using propane and a medium-capacity machine using CO2.
The facility has three cooling chambers and a storage capacity of 50,000 metric tons of produce.
The retailer also achieved financial savings on heating and hot water production via heat recovery.
Stakeholders debate whether to use low-charge ammonia, ammonia-CO2, or CO2.
The cooperative retail network will soon have 54 stores with transcritical CO2 refrigeration, including the latest energy-saving technology.
The companies hope better education will help alleviate the lack of qualified refrigeration personnel.
Carrier will supply its transcritical technology to 760 Cash & Carry stores in deal completed at EuroShop.
The Optyma iCO2 units have the capacity to cool 1.5 to 10 meters of medium temperature cabinets.