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National College Credit Recommendation Service

Board of Regents  |  University of the State of New York

Apex Technical School | Evaluated Learning Experience

Domestic Refrigeration

Formerly Domestic Refrigeration and Air Conditioning
150 hours (5 weeks); includes approximately 75 hours of supervised shop experience.
24-02 Queens Plaza South, Long Island City, NY.
March 1994 - Present.
Instructional delivery format: 
Traditional classroom model
Learner Outcomes: 

Upon successful completion of the course students should be able to: construct piping, electrical, and air flow diagrams; evaluate electrical and mechanical components; install line tap valves and extend process tubes; perform recovery, evacuation, and recharging procedures; and identify common cooling problems that might be encountered in the field.  Students will also be able to: evaluate electrical and mechanical components; perform recovery, evacuation, and recharging procedures; identify problems stemming from faulty defrost systems; perform common electrical and mechanical troubleshooting procedures; and learn the proper application of appropriate field safety procedures.


Major topics include: A/C unit piping diagrams, wiring diagrams, electrical components and analysis, hermetic compressors, gauge manifolds, process tubes, line tap valves; A/C condenser operation and problems; refrigerator components, air flow patterns, defrost systems, evaporators; zeotropic and azeotropic refrigerants; recovery, evacuation, and system charging for domestic A/C and refrigeration units; retrofitting; safety procedures; EPA regulations pertinent to type 1 domestic systems. Classroom sessions are followed by hands-on practice with domestic air conditioning and refrigeration units.

Credit recommendation: 

In the lower division baccalaureate/associate degree category, 5 semester hours (3 lecture, 2 shop) in HVAC and Refrigeration Technology or Mechanical Technology (12/98) (12/03 revalidation) (1/09 revalidation) (12/13 revalidation) (12/18 revalidation) (12/23 revalidation).