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Course Information and Descriptions
HET 130 Heating I Residential Appliances (2-4)
4 Hours
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
Course fee
HET 135 Plumbing and Pipefitting I (2-2)
3 Hours
This course introduces students to blueprint drawings and detail
sheets; piping system standards and specifications; and trade math.
Students will be exposed to advanced blueprint reading examples, as
well as motorized equipment and above ground pipe installation.
Prerequisite: HET 110
Course fee
HET 136 Plumbing and Pipefitting II (2-2)
3 Hours
This course is a continuation of HET 135. The course also introduces
students to pipe hangers and supports, identifying and installing
valves, field routing and vessel trim, spring can supports, planning
work activities and performing non-destructive examination testing.
Prerequisite: HET 135
Course fee
HET 150 Air Conditioning I Split-Systems (2-4)
4 Hours
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
Course fee
Typically offered summer only
HET 170 Refrigeration I Small Appliances (2-4)
4 Hours
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
Course fee
HET 172
Refrigeration II Commercial
Appliances (2-4)
4 Hours
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
Course fee
HET 190 EPA Certification Preparation (1-2)
2 Hours
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
Course fee
275