HVAC Engineering Technology (HET)
Engineering, Math & Physical Sciences
The following course information is effective for the Fall 2010 term.
| Subj CatNo | Course Title | Units |
|---|---|---|
| HET 272 | Refrigeration III Commercial Appliance Installation | 4 units |
This course covers various types of commercial refrigeration service techniques and installation procedures, such as piping techniques, codes, preventive maintenance, multiple systems, and system accessories. The function and operational characteristics of various types of electric controls including thermostats, defrost controls, relays, and protective devices are studied, as well as system malfunction diagnosis, corrective procedures, and the refrigerants used in the commercial refrigeration appliance industry. This course reinforces load calculations, the use and operation of electrical and mechanical test equipment, wiring diagrams and schematics, service manifolds, test equipment, flaring, and soldering and brazing skills.
Prerequisite: HET 172 and MTH 114 or higher or appropriate score on Math Placement test or Math ACT score of 17 or higher; and minimum APT score of 122 or minimum CELSA score of 50, or Language Proficiency; or Consent of Instructor | ||
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