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Course Information and Descriptions
HET 191 HVACR Load Calculation (2-4)
4 Hours
This course introduces students to the standards for producing
HVACR equipment sizing load calculations. The course details
proper procedure required to complete a residential or commercial
load calculation performed in accordance with the Air-Conditioning
Contractors of America (ACCA) as required by national building
codes and by most state and local jurisdictions. Residential HVAC
appliances, commercial HVAC appliances, and commercial
refrigeration appliances and their associated sub-systems are
included.
Note: Student will be required to purchase basic hand tools used in
this and other HVACR courses.
Prerequisite: HET 110 and HET 111
Course fee
HET 192 HVACR Engineering Tech Practicum (0-15) 1 Hour
This course is a supervised work experience in the HET program. It
incorporates on-the-job training in the greater Lake County area and
provides students with an opportunity to demonstrate acquired skills
and knowledge, as well as continue their development as
professionals. Included will be group seminar sessions with other
students and regular meetings with a CLC instructor and HVACR
supervisor.
Prerequisite: HET 110 and HET 111
Course fee
HET 193 Recertification Preparation (.5-0)
0.5 Hour
This course is designed for students whose certification has expired
or for students who need to re-sit for the EPA Technician
Certification Exam or the Industry Competency Exam. This course
prepares students with a review of pertinent material prior to the
administration of the exams.
Prerequisite: HET 110 and HET 111 or consent of instructor
Course fee
HET 194 NATE Certification Preparation (2-0)
2 Hours
This course prepares students to sit for the North American
Technician Excellence (NATE) HVACR Exams. All pertinent
material prior to the administration of the exams is reviewed.
Prerequisite: Consent of Instructor
Course fee
HET 195
Chicago Stationary Engineer
Exam Preparation (1-0)
1 Hour
This course prepares students to sit for the Chicago Stationary
Engineer Exam. Low pressure steam boilers and other pertinent
material will be reviewed to help students prepare for the exam.
Corequisite: HET 110 and HET 119 or consent of instructor
Course fee
276
HET 219 HVACR Electricity III (2-4)
4 Hours
This course covers advanced AC and DC circuitry, the laws of
electricity, wiring of HVACR equipment, and safety procedures with
an emphasis placed on sustainable energy sources. Through lectures,
demonstrations, and lab experiences, students will learn about
various types of residential and commercial heating and airconditioning, commercial refrigeration and electrical service,
installation, preventive maintenance techniques, and direct digital
controls. The operational characteristics of various types of electric
controls including thermostats, defrost controls, relays, and
contactors will be covered, as well as capacitors, power distribution,
motors, system malfunction diagnosis, corrective procedures, and
protective devices. Students will be introduced to part-winding start,
Wye and Delta wound transformers, programmable controllers,
Electronically Commutated motors (ECM), Variable Frequency
Drive motors (VFD), National Electrical Code, the use of meters,
schematics, wiring diagrams, electrical troubleshooting, electrical
service procedures, and electrical test equipment.
Note: Student will be required to purchase basic hand tools used in
this and other HVACR courses.
Prerequisite: HET 119 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 College Reading and Writing
Readiness; OR Consent of Instructor
HET 230 Air Movement and Ventilation (2-4)
4 Hours
This course covers intermediate principles, practices, operations, and
service of commercial HVAC equipment through the use of lectures,
demonstrations, and lab experiences. The function and operational
characteristics of various types of residential and commercial HVAC
equipment, wiring, and safety procedures are studied, as well as
proper methods and techniques involved in the design, sizing and
balancing of complete ventilation systems. Electric controls
including thermostats, sail switches, relays, contactors, flow
switches, power distribution, motors, protective devices, system
malfunction diagnosis, corrective procedures, and various fan
systems used in the residential and commercial HVAC industry are
covered. Air mixing properties, equipment servicing, a basic
understanding of load calculations, ducting, fan laws, Indoor Air
Quality (IAQ), and piping techniques for residential and commercial
HVAC equipment are introduced. This course reinforces ventilation
requirements, 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 119 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 College Reading and Writing
Readiness; OR Consent of Instructor
Course fee