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NOVA 2012-2013 College Catalog

 

AIR - Air Conditioning and Refrigeration

AIR 122

AIR COND & REFRIGERATION II

(4.00 CR.)

Studies refrigeration theory, characteristics of refrigerants, temperature and pressure, tools and equipment, soldering, brazing, refrigeration systems, system components, compressors, evaporators, and metering devices. Presents charging and evaluation of systems and leak detection. Explores servicing the basic system. Explains use and care of oils and additives and troubleshooting of small commercial systems. Lecture 3 hours. Laboratory 3 hours. Total 6 hours per week.