Nov 24, 2024  
2019-2020 NOVA Catalog 
    
2019-2020 NOVA Catalog [ARCHIVED CATALOG]

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AIR 121 - Air Conditioning and Refrigeration I (4 CR.)


Prerequisite or Corequisite: SDV 100 or SDV 106. 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.



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