Refrigeration technicians are often called upon to service and repair reach-in coolers. A common repair on these coolers is to replace the temperature control. Using the wrong type of temperature control can cause problems down the road.
Removal of refrigerant from a system can be accomplished by one of two basic methods: passive or active. To comply with government regulations and best serve customer needs, time must be taken to evaluate the system and determine which method to employ. There are several questions that need to be considered by the technician.
In 1992, Advanced Distributor Products (ADP) began manufacturing coils in a section of the Heatcraft OEM coil facility. In 1996, the company moved into a new 325,000-square-foot facility, followed by a 54,000-square-foot addition. One of its coils is the brand-new Healthy Solutions Premium Evaporator Coil.
Manufacturers are beginning to market their portable air conditioning units as more than just a solution for temporary and emergency cooling. Many of the products on display at the AHR Expo were sporting new looks and recent upgrades, and manufacturers were supplying new reasons to use the products in primary applications.
During a press briefing at the 2003 AHR Expo, Danfoss noted a wide range of its product developments, including solar hermetic compressors, small hermetics for commercial applications, bimetal valve connections, zone control panel applications, thermostats, and drive technology.