Heating, Refrigeration and A/C (HRA)

Heating, Refrigeration and A/C

Course Information Cr Hrs
HRA-102 Basic Refrigeration Theory and Application

This introductory course provides students through lecture and lab the basic knowledge and skills required to comprehend the refrigeration cycle and service the refrigeration system. 

4-2-4
HRA-103 Electricity for Heating, Refrigeration and A/C

This is a lecture/laboratory course focused on AC electrical theory, troubleshooting and schematic reading as applied to refrigeration and air conditioning systems.

4-2-4
HRA-125 Refrigerants and Refrigerant Handling

This course offers Lecture/Lab experiences that familiarize the students with the characteristics of the most commonly used refrigerants and retro-fitting CFC systems. Refrigerant recovery and evacuation procedures are emphasized and practiced during this course. The course includes administration of the EPA Exam.

 Prerequisite: HRA 102.
4-2-4
HRA-135 Refrigeration Motors and Controls

This course offers Lecture/Lab experiences that familiarize the students with the characteristics of electrical controls and motors in refrigeration, heating and air conditioning systems. The students will learn and wire electrical circuits that are commonly used in refrigeration, heating and air conditioning. Students will learn the fundamentals of electronic control boards used on central air conditioners.

 Prerequisite: HRA 103.
4-2-4
HRA-180 Air Distribution Systems

This course offers the knowledge & skill necessary to design, size and fabricate duct systems used in heating and air conditioning. Emphasis will also be given to air quality management and humidification.

2-1-2
HRA-245 Commercial Refrigeration Systems

This course offers lecture/laboratory experiences that provide the student with knowledge of commercial refrigeration systems. Refrigeration & electrical knowledge that has been gained from previous courses will be applied specifically to commercial applications. The student will have the opportunity to work on varied types of commercial equipment. Skills that are needed to troubleshoot a variety of commercial equipment will be acquired.

 Prerequisite: HRA 102, HRA 103.
4-2-4
HRA-250 Advanced Commercial Refrigeration

This is a lecture/laboratory course that will allow the student to understand the operation of larger commercial refrigeration systems that are used in wholesale, warehouses and industrial settings. Refrigeration and electrical knowledge that has previously been gained will be applied to understand the unique refrigeration components used on these systems. Skills and knowledge needed to size equipment and refrigerant lines will be covered in this course.

 Prerequisites: HRA 102, HRA 103.
4-2-4
HRA-265 Residential Heating and Air Conditioning

This course offers lecture/laboratory experiences that provide the student with the knowledge and skills needed to install and troubleshoot residential air conditioners and furnaces.

 Prerequisite: HRA 102, HRA 103.
4-2-4
HRA-270 Advanced Heating and Air Conditioning

This course offers lecture/lab experiences that provide the students additional opportunities to apply heating and air conditioning knowledge acquired in previous courses or from actual experience. Topics are oriented toward applications of specialized systems such as heat pumps, hydronics and packaged systems.

 Prerequisites: HRA 102, HRA 103.
4-2-4
HRA-280 Boilers and Chillers

This is a lecture/laboratory course that will allow the student to understand the operation of boilers and chillers that are used in institutions or industrial settings. Refrigeration and electrical knowledge that has previously been gained will be applied to understand the unique components used on these systems.

 Prerequisites: HRA 102, HRA 103.
4-2-4
HRA-281 Heating, Refrigeration and A/C Capstone Assessment

This comprehensive course, using concepts and skills learned from previous HRA courses, will be used to evaluate the studentsí knowledge and skills in HVAC. The students will acquire an HVAC competency certifi cation during this course to increase their employment opportunities. Emphasis will be placed on troubleshooting different types of HVAC equipment through the semester.  Prerequisites: HRA 102, HRA 103, HRA 125, HRA 135, HRA 245, HRA 265 and co-requisites HRA 250, HRA 270.
2-0-0
HRA-290 Co-Operative Ed/Intern/Related Elective

This course encompasses a supervised work experience in the major field which provides the student with the opportunity to make practical application of the knowledge and skills attained through coursework. An individualized instructional management plan will determine goals to be accomplished. Seminars may also be required.

 Prerequisites: Completion of 30 credit hours and 2.0 GPA; or advisorís approval. Please see the Department Chair of the specific program area for application.
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