Monday, Jan. 27, 2003: New Supermarket Refrigeration Approaches Yet To Catch On
CHICAGO — When concern arose six or seven years ago over the amount of refrigerant in a supermarket system, the industry looked for different ways to create refrigeration other than the traditional direct expansion approach.
Two approaches garnered attention. One created a secondary loop with a familiar refrigerant used in conjunction with a glycol or brine type of product. Another approach called distributed did away with a large mechanical room and located smaller condensing units throughout the store.