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HVAC Engineering Technology (HET)
Engineering, Math & Physical Sciences

The following course information is effective for the Fall 2010 term.

Subj CatNoCourse TitleUnits   
HET 170Refrigeration I Small Appliances4 units  

This course introduces students to the service needs of the small refrigeration appliance industry. Through lectures, demonstrations, and lab experiences, students will learn how to service domestic refrigerators, freezers, and icemakers and to install and service water coolers, vending machines, and under-the-counter refrigeration units. The function and operational characteristics of various types of electric controls including thermostats, defrost controls, relays, and protective devices will be studied, as well as system malfunction diagnosis, corrective procedures, and the refrigerants used in the small refrigeration appliance industry. The course also reinforces the use and operation of electrical and mechanical test equipment, wiring diagrams and schematics, service manifolds, test equipment, flaring, soldering and brazing skills.

NOTE: Student will be required to purchase basic hand tools used in this and other HVACR courses.

Prerequisite: HET 110 and HET 111

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College of Lake County, 19351 West Washington Street, Grayslake, IL 60030-1198    (847) 543-2000