At www.achrnews.com, The NEWS’ Extra Edition page is home to hundreds of online-exclusive service and maintenance, technical, and business-management articles. Here are some of the best.
When responding to a refrigeration service call at a supermarket, the refrigeration technician immediately plays “problem percentages” upon entering the store. Most refrigeration equipment breakdowns are repeat problems to some degree. Playing the percentages when responding to a service call enables the technician to get to the root source of a problem as quickly as possible to prevent perishable product loss. This article covers the higher-percentage problems and repair procedures of thermostatic expansion valves (TEVs).