Home > College Catalog > Course Descriptions
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. |
||