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The following course information is effective for the Spring 2018 term.

HET 110 Basic Refrigeration Systems

This course introduces students to basic refrigeration theory and practice in Heating, Ventilation, Air-Conditioning and Refrigeration (HVACR). The function and operational characteristics of the mechanical refrigeration system including condensers, evaporators, compressors, refrigerant metering devices, sustainable energy sources and refrigerants are covered. The use and operation of service manifolds, leak detection, system evacuation and charging, test equipment, flaring, soldering and brazing skills are covered. NOTE: The student will be required to purchase basic hand tools that will be used in this and other refrigeration and air conditioning courses.

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: Yes

Open HET 110 Class Schedule

  • Subject:
    HET
  • Units:
    4.00

HET 111 HVACR Electricity I

This course introduces students to basic AC and DC circuitry, the laws of electricity, wiring of basic HVACR equipment, and safety procedures with an emphasis placed on sustainable energy sources through the use of lectures, demonstrations, and lab experiences. The function and operational characteristics of various types of electric controls including thermostats, defrost controls, relays, and contactors are studied, along with capacitors, power distribution, motors, and protective devices. This course introduces the 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.

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: Yes

Open HET 111 Class Schedule

  • Subject:
    HET
  • Units:
    4.00

HET 119 HVACR Electricity II

This course covers intermediate 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 air-conditioning, commercial refrigeration electrical service, and installation and preventive maintenance techniques. The function and operational characteristics of various types of electric controls will be covered including thermostats, defrost controls, relays, contactors, capacitors, power distribution, motors, system malfunction diagnosis, corrective procedures, and protective devices. This course also introduces part-winding starts, Wye and Delta wound transformers, programmable controllers, Electronically Commutated Motors (ECM), and Variable Frequency Drive motors (VFD). The National Electrical Code is reinforced, as well as the use of meters, schematics, wiring diagrams, electrical troubleshooting, electrical service procedures, and electrical test equipment. NOTE: Students will be required to purchase basic hand tools used in this and other HVACR courses.

Prerequisite: HET 110 and HET 111

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: Yes

Open HET 119 Class Schedule

  • Subject:
    HET
  • Units:
    4.00

HET 130 Heating I Residential Appliances

This course introduces students to the basic principles, practices, operations, service and installation of residential heating equipment through the use of lectures, demonstrations, and lab experiences. The function and operational characteristics of residential heating equipment, its wiring, and safety procedures are studied. Electric controls such as thermostats, defrost controls, relays, and contactors are studied, as well as capacitors, power distribution, motors, protective devices, system malfunction diagnosis, corrective procedures, and the refrigerants used in residential heating. This course also introduces a basic understanding of load calculations, the installation and service of residential heating appliances, ventilation 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: HET 110 and HET 111

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: Yes

Open HET 130 Class Schedule

  • Subject:
    HET
  • Units:
    4.00

HET 150 Air Conditioning I Split-Systems

This course introduces students to the basic principles, practices, operations, service and installation of split-system residential and commercial cooling equipment, as well as industrial refrigeration equipment. The function and operational characteristics of various types of air conditioning and refrigeration equipment, the wiring of split-system equipment, and safety procedures are also studied. Students will be exposed to topics such as electric controls such as thermostats, defrost controls, relays, and contactors, as well as capacitors, power distribution, motors, protective devices, system malfunction diagnosis, corrective procedures, and the refrigerants used in the split-system industry. 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: HET 110 and HET 111

Typically Offered: Offered summer only.

Offered Spring 2018: No

  • Subject:
    HET
  • Units:
    4.00

HET 155 HVAC/R Blueprint Reading

This course introduces students to how blueprints are structured and the conventions that are used in making them and reading them for the HVAC/R field. These principles are then applied to detail drawings and assembly drawings of mechanical equipment found in the HVAC/R field. Special features of blueprints in applications ranging from sheet metal work through electrical and air conditioning work are addressed. This course concludes with information on how to sketch in the style of a blueprint to convey information simply and completely for the HVAC/R field.

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: Yes

Open HET 155 Class Schedule

  • Subject:
    HET
  • Units:
    1.00

HET 172 Refrigeration II Commercial Appliances

This course introduces students to the basic principles, practices, operations, service, and installation of commercial refrigeration appliances. Students will learn how the product is cooled, desired temperature maintained, and proper humidity conditions controlled. 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 also covers a basic understanding of commercial refrigeration appliances, multiple systems, load calculations of commercial refrigeration appliances, system accessories, 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: HET 110 and HET 111

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: Yes

Open HET 172 Class Schedule

  • Subject:
    HET
  • Units:
    4.00

HET 190 EPA Certification Preparation

This course introduces students to basic refrigeration, theory, and practice of the EPA mandated Section 608 Refrigeration Certification exam. The function and operational characteristics of the mechanical refrigeration system including condensers, evaporators, compressors, refrigerant metering devices, and sustainable energy sources refrigerants are covered, as well as material pertinent for students to pass the EPA exam. This course also introduces ozone depletion, the Clean Air Act, the Montreal Protocol, CFC and HCFC refrigerant replacements, recovery cylinders, shipping and transportation of refrigerants, system operational pressures, substitute refrigerant replacement, recharging techniques, refrigerant recovery and reclaiming, and basic system troubleshooting. This course reinforces the use and operation of service manifolds, leak detection, test equipment, flaring, soldering and brazing skills. NOTE: The student will be required to purchase basic hand tools that will be used in this and other refrigeration and air conditioning courses.

Corequisite: HET 110 or Consent of Instructor

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: Yes

Open HET 190 Class Schedule

  • Subject:
    HET
  • Units:
    2.00

HET 191 HVACR Load Calculation

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

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: Yes

Open HET 191 Class Schedule

  • Subject:
    HET
  • Units:
    4.00

HET 192 HVACR Engineering Tech Practicum

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

Offered Spring 2018: Yes

Open HET 192 Class Schedule

  • Subject:
    HET
  • Units:
    1.00

HET 193 Recertification Preparation

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

Offered Spring 2018: Yes

Open HET 193 Class Schedule

  • Subject:
    HET
  • Units:
    0.50

HET 194 NATE Certification Preparation

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

Offered Spring 2018: No

  • Subject:
    HET
  • Units:
    2.00

HET 195 Chicago Stationary Engineer Exam Preparation

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

Offered Spring 2018: No

  • Subject:
    HET
  • Units:
    1.00

HET 230 Air Movement and Ventilation

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 (C or better) AND MTH 114 or higher (C or better) or appropriate score on Math Placement test or Math ACT score of 17 or higher AND College Reading and Writing Readiness

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: Yes

Open HET 230 Class Schedule

  • Subject:
    HET
  • Units:
    4.00

HET 231 Heating II Hydronic Heating Systems

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 College Reading and Writing Readiness; OR Consent of Instructor

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: Yes

Open HET 231 Class Schedule

  • Subject:
    HET
  • Units:
    4.00

HET 250 Air Conditioning II Commercial HVAC Appliances

This course covers intermediate principles, practices, operations, service and installation of commercial HVAC equipment through lectures, demonstrations, and lab experiences conducted on commercial HVAC equipment. The function and operational characteristics of various types of commercial HVAC equipment, its wiring, and safety procedures are studied. Electric controls including thermostats, defrost controls, relays, and contactors are studied, as well as capacitors, power distribution, motors, protective devices, system malfunction diagnosis, corrective procedures, and the refrigerants used in the commercial HVAC industry. This course also introduces hydronic heating, air mixing properties, installation and service, a basic understanding of load calculations, ducting, fan laws, and piping techniques for commercial HVAC equipment. This course also 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 150 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

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: No

  • Subject:
    HET
  • Units:
    4.00

HET 251 Sheet Metal Fabrication

This course introduces students to methods of sheet metal fabrication. Content includes laying-out and fabricating sheet metal ducts and fittings used in heating and air conditioning installations. This course emphasizes reading blueprints common to the sheet metal trade, floor plans, elevations, section, detail and mechanical plans. It requires students to develop a layout of an air conditioning duct system and fittings. Fabrication of these parts, including proper use of hand-tools and shop equipment used to fabricate duct systems and fittings will be focus as a main competency. Some of the topics covered will include methods of measurements, layouts, tolerances, allowances for joints, and other fittings.

Prerequisite: HET 155 (C or better)

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: Yes

Open HET 251 Class Schedule

  • Subject:
    HET
  • Units:
    1.00

HET 252 Air Conditioning III Installation & Service

This course covers various types of residential heating and air-conditioning service techniques and installation procedures, including equipment selection, layout, duct fabrication, piping techniques, troubleshooting, codes, preventive maintenance, multiple systems, and system accessories. Students will learn the techniques of the service and installation needs of the residential heating and air-conditioning industry through lectures, demonstrations, and lab experiences. The function and operational characteristics of various types of residential heating and air-conditioning equipment, its wiring, and safety procedures are studied. Electric controls including thermostats, defrost controls, relays, and contactors are studied, as well as capacitors, power distribution, motors, protective devices, system malfunction diagnosis, corrective procedures, and the refrigerants used in the residential heating and air-conditioning industry. Equipment selection, layout, duct fabrication, troubleshooting, codes, preventive maintenance, system balancing, component capacity, multiple systems, system accessories codes, and preventive maintenance concerning residential heating and air-conditioning appliances are also covered. This course reinforces load calculations, ventilation requirements, piping techniques, the use and operation of electrical and mechanical test equipment, wiring diagrams and schematics, service manifolds, test equipment, flaring, and 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 College Reading and Writing Readiness; OR Consent of Instructor

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: Yes

Open HET 252 Class Schedule

  • Subject:
    HET
  • Units:
    4.00

HET 273 Direct Digital Controls

This course covers basic commercial control principles and offers students experiences and practice in the selection, installation, operation, and servicing of pneumatic and electronic automation control systems and components used in commercial buildings. Special emphasis will be placed on direct digital control systems (DDC) including troubleshooting, maintenance, and retrofitting. Students successfully completing this course will be eligible to sit for the Air-Conditioning and Refrigeration Institute (ARI) Industry Competency Exam in Light Commercial Air Conditioning and Heating.

Prerequisite: HET 119 (C or better) AND MTH 114 or higher (C or better) or appropriate score on Math Placement test or Math ACT score of 17 or higher AND College Reading and Writing Readiness

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: Yes

Open HET 273 Class Schedule

  • Subject:
    HET
  • Units:
    4.00

HET 293 HVAC Codes

This course covers the function of HVAC Mechanical Codes including Building Officials and Code Administrators (BOCA) Mechanical Codes, National Fire Protection Association (NFPA) codes, National Fuel Gas Codes, ASHRAE Standard Mechanical Refrigeration Codes, and National Electrical Codes. The course reinforces the requirements placed on contractors and installation personnel involved in the layout and installation of HVACR equipment. NOTE: The student will be required to purchase basic hand tools that will be used in this and other refrigeration and air conditioning 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 College Reading and Writing Readiness; OR Consent of Instructor

Typically Offered: Offered summer, fall & spring.

Offered Spring 2018: No

  • Subject:
    HET
  • Units:
    3.00


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