Academic Catalog

Refrigeration Specialist Certificate

certificate Info at a Glance
Type
Certificate
Estimated # of Quarters
This certificate is approximately 2 quarters long, depending on the time students need to satisfactorily complete all graduation requirements.
Admission Dates
Summer and winter quarters.
Prerequisites
None.

Provides students with the knowledge and skills necessary for entry-level employment in Refrigeration service and maintenance.

Students are required to pass one (1)  state recognized certification and four (4) nationally recognized certification exams during the program. All courses must be completed with a minimum ā€œCā€ grade to receive the certificate.

Note: HAC 102, HAC 105, HAC 120, HAC 162, and HAC 164 are prerequisites for HAC 237 Basic Refrigeration I.

Certificate Requirements

Course NumberClass TitleCredits
HAC 102Basic Electricity5
HAC 105Electrical Circuits4
HAC 120Advanced Controls & Troubleshooting4
HAC 162Electric Motors & Their Applications4
HAC 164Electric Motors & Troubleshooting3
HAC 230EPA Refrigerant Certification1
HAC 237Basic Refrigeration I7
HAC 242Basic Refrigeration Lab I5
HAC 246Basic Refrigeration II6
HAC 255CAPBasic Refrigeration Lab II3
 Technical Credits42

Basic Electricity

Item #
HAC 102
Total Credits
5

Discusses the structure of matter, movement, electrons, conductors, insulators, direct and alternating currents, and electrical units of measurement. Students will also study electrical circuits and  measurements, Ohm’s law, series and parallel circuits, and electrical power. Also includes magnetic fields, inductance, transformers, capacitance, impedance, sine waves, and use of electrical measuring instruments.

Co-requisites
HAC 105, HAC 120, HAC 162, HAC 163, HAC 164, and HAC 169 or instructor permission.
CLOSE

Electrical Circuits

Item #
HAC 105
Total Credits
4

Discusses types of automatic control devices that respond to thermal change, the bimetal device, control by fluid expansion, the thermocouple, and electronic sensing devices. Covers space temperature controls (both high and low voltage), sensing temperatures of solids, pressure-sensing devices, oil-pressure safety controls, air-pressure controls, devices that control fluid flow, and maintenance of mechanical and electromechanical controls.

Co-requisites
HAC 102, HAC 120, HAC 162, HAC 163, HAC 164, and HAC 169 or instructor permission.
CLOSE

Advanced Controls & Troubleshooting

Item #
HAC 120
Total Credits
4

Covers control terminology, applications and electronic control circuits. Pneumatic controls and direct digital controls are also explored, along with programmable thermostats. Also covers procedures for troubleshooting basic and complex circuits, thermostats, and high-voltage circuits controlled by thermostats. Describes procedures for measuring amperage and voltage in low-voltage circuits and discusses pictorial and line diagrams. 

Co-requisites
HAC 102, HAC 105, HAC 162, HAC 163, HAC 164, and HAC 169, or instructor permission.
CLOSE

Electric Motors & Their Applications

Item #
HAC 162
Total Credits
4

Discusses types of electric motors, along with starting and running components and characteristics, motor speeds, and power supplies. Specific topics also included are single and split-phase motors, the centrifugal switch, electronic replay, capacitor start motors, capacitor run motors, permanent split capacitor motors, shaded pole motors, single phase hermetic motors, positive temperature coefficient motors, and variable-speed motors. Includes discussions of various characteristics and insulations, bearings, mountings, and motor drives. 

Co-requisites
HAC 102, HAC 105, HAC 120, HAC 163, HAC 164, and HAC 169, or instructor permission.
CLOSE

Electric Motors & Troubleshooting

Item #
HAC 164
Total Credits
3

Discusses mechanical and electrical motor troubleshooting. This includes drive assemblies, belt tension, pulley alignment, open and shorted windings, shorts to ground, capacitor problems, wiring and connectors, and troubleshooting hermetic motors. 

Co-requisites
HAC 102, HAC 105, HAC 120, HAC 162, HAC 163, HAC 169, or instructor permission.
CLOSE

EPA Refrigerant Certification

Item #
HAC 230
Total Credits
1

Will give students the knowledge to properly recover and charge refrigerants & dispose of them as defined by EPA. Pass a national examination.

CLOSE

Basic Refrigeration I

Item #
HAC 237
Total Credits
7

Introduction to controls, thermal physics, and equipment for residential and light commercial air conditioning and refrigeration system installation and servicing, with emphasis on refrigeration.

Prerequisites
HAC 102 through 168 or equivalent or instructor permission. Have all the tools of the trade.
CLOSE

Basic Refrigeration Lab I

Item #
HAC 242
Total Credits
5

Covers troubleshooting and repair of refrigeration equipment, thermal physics, and equipment for refrigeration systems analysis and efficiency. This is a hands-on class utilizing live projects. Students will build a basic capillary tube refrigeration unit using basic temperature controls.

Prerequisites
Must have required hand tools of the trade, and completed HAC 102-169, and must be enrolled in the Basic Refrigeration I course.
CLOSE

Basic Refrigeration II

Item #
HAC 246
Total Credits
6

Introduction to controls, thermal physics, and equipment for residential and light commercial air conditioning and refrigeration system installation and servicing, with emphasis on commercial refrigeration and heat pumps. 

Prerequisites
Must have required hand tools of the trade, and completed HAC 102-169, and must be enrolled in the Basic Refrigeration I course.
CLOSE

Basic Refrigeration Lab II

Item #
HAC 255CAP
Total Credits
3

Hands-on experience with introduction to controls, thermal physics, and equipment for air-conditioning system installation and servicing.

Prerequisites
Must have required hand tools of the trade and be enrolled in the Basic Refrigeration I course.
CLOSE
This page was last updated on July 28, 2016.