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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 231Heating II Hydronic Heating Systems4 units  

This course introduces students to the basic principles, practices, operations, service and installation of residential and light commercial boilers through the use of lectures, demonstrations, and lab experiences. The function and operational characteristics of various types of residential and light commercial boilers, their wiring, and safety procedures are studied. Electric controls including thermostats, relays, and contactors are studied, as well as capacitors, power distribution, motors, protective devices, system malfunction diagnosis, corrective procedures, and residential and light commercial boilers. A basic understanding of load calculations and the installation and service of residential and light commercial boilers will be covered, as well as the operation, layout, selection, troubleshooting, venting requirements, and piping techniques. This course 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: 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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College of Lake County, 19351 West Washington Street, Grayslake, IL 60030-1198    (847) 543-2000