Howe’s 1,000lbs/day unit is being used by Raley’s store in California.
The spray chiller technology will deliver 5MW of cooling capacity as well as heat reclaim.
Study of industrial applications sees parity of those systems in Orlando and Atlanta, and better CO2 performance in Northern cities.
Retailer expects energy savings to yield a five-to-seven year ROI on premium paid for equipment, one of a small number of ammonia systems installed in stores worldwide.
Company cites energy savings of NH3/CO2 at Georgia store and ammonia charge reduction at industrial sites.
Nissui Logistics Corporation, the first to test the NewTon system in 2008, employs it at expanded Osaka-Maishima Logistics Center.
Transcritical chiller offers payback on 47% premium in a few years, says Zero Zone paper that compares CO2, NH3 and R448A.
Five of the low-charge packaged systems were installed in July at a new cold storage center in western Sydney.
Mayekawa is seeing an increasing opportunity for the NewTon in Japan’s industrial refrigeration sector as well as in overseas Asian markets.