2017-18 AcademicCatalog - 68
heating, ventilation, air conditioning & refrigeration (HVAC)
HVAC 122 (1.5 credits)
OSHA Electrical and Construction Safety
This course is designed to meet the requirements that
all service technicians must have for training in the
rules and regulations of Occupational Safety and Health
Administration (OSHA) Construction Safety and Building
Maintenance Electrical Safety. Emphasis is on the
requirements for compliance, identifying a proper lock-out/
tag-out policy, and procedures a technician should follow for
safe electrical work.
HVAC 126 (1 credit)
Electrical Fundamentals for HVAC/R
This course is designed to provide the basic knowledge of
electrical theory as it pertains to the HVAC/R industry. The
course emphasizes the basic electrical laws and definitions,
generation and distribution of electrical power, function
of controls and loads, and electrical measurements and
HVAC 130 (1 credit)
Electrical Components for HVAC/R
This course exposes students to common HVAC/R
system motors and controls. Emphasis is placed on the
fundamentals of electrical theory as it pertains to the
application and operation of motors, relays, thermostats,
pressure switches, and other basic controls.
HVAC 134 (1 credit)
Electrical Circuits for HVAC/R
This course teaches commonly used electrical circuits of the
HVAC/R industry as a foundation for a technician to install,
troubleshoot, and service equipment. The emphasis is on
drawing wiring diagrams, using schematics to install and
wire basic electrical components, and the use of schematics
for testing and troubleshooting electrical circuits.
HVAC 138 (2 credits)
Lab Practice I: Electrical Applications
Practical experience is provided to apply the theory
learned concerning electrical components and controls
of the HVAC/R industry. Students demonstrate the proper
electrical installations for basic A/C and heating equipment.
Emphasis is placed on the installation, testing and start-up
operation of motors, relays, thermostats, pressure switches,
and other basic controls.
HVAC 142 (1.5 credits)
HVAC Installation Procedures
This course introduces the basic methods, tools, and
materials needed for the installation of the HVAC/R
equipment to students. A foundational study of the purpose
of various tools and skills necessary for their safe use is
emphasized. Materials and joining methods of various
piping, tubing, wiring, and ductwork systems as used in this
industry is studied.
68 * Thaddeus Stevens College of Technology
HVAC 146 (2 credits)
Lab Practice II: Installation Procedures
This course provides the practical hands-on skill training.
Piping practice utilizes various refrigeration trainers and a
selection of commonly used A/C and heating equipment.
Residential duct systems are installed on working systems.
Practice is provided for the development of skills needed for
various methods of joining copper tubing, stainless steel
natural-gas tubing, plastic, and iron pipe.
HVAC 150 (3 credits)
Principles of Refrigeration
This course provides a study of the basic principles of
thermodynamics as applied to the refrigeration cycle. The
Mollier diagram is used to display the purpose and operation
of the various components used in the system at expected
standard operating conditions. The lab portion provides
practice in measuring various system performances.
HVAC 155 (2 credits)
Residential Heating Systems
This course provides a basic understanding of different
types of oil and natural gas residential heating systems.
Emphasis is on proper installation, sequence of operation,
and proper maintenance requirements.
HVAC 160 (2 credits)
Lab Practice III: Heating Applications
This lab time provides the hands-on training pertaining to
residential heating systems. Typical residential heating
systems is utilized in the lab experience to master the skills
necessary for proper installation and service. Students
practice typical annual servicing, combustion analysis, and
efficiency testing of fossil fuel heating systems.
HVAC 167 (2 credits)
Refrigerant System Components
Introduction to residential and light commercial A/C system
components. This course details the following components
of air conditioner and refrigeration systems: Evaporators,
condensers, metering devices, compressors, and other
safety and servicing system components. Emphasis is
placed on applying the knowledge gained in HVAC 150,
along with manufacturer specifications, to determine proper
installation and operating conditions of these cooling
HVAC 170 (2 credits)
Lab Practice IV: Cooling Applications
This lab provides the hands-on training for skills necessary
to properly install and start-up comfort cooling systems.
Students are required to assemble a refrigeration system
and test it for proper operation under various conditions.