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Compton College / Academic Programs / Career & Technical Education / Air Conditioning & Refrigeration / Courses Offered

Courses Offered

ACR 121 - Air Conditioning Fundamentals

Units: 4                Lecture Hours: 54              Lab Hours: 54              Outside Hours: 108
Grading Method: Letter                                 Credit Status: Credit, degree applicable
Transfer: CSU
Conditions of Enrollment: None

This course is designed to introduce students to air conditioning and refrigeration theory and provide an overview of the skills needed for employment in the industry. Topics introduced include safety, air conditioning system operation and components, brazing, electrical applications, service tools and equipment.

ACR 123 - Commercial Refrigeration Applications

Units: 4                Lecture Hours: 54              Lab Hours: 54              Outside Hours: 108
Grading Method: Letter                                 Credit Status: Credit, degree applicable
Transfer: CSU
Conditions of Enrollment: Prerequisite: Air Conditioning & Refrigeration 121 with a minimum grade of C or equivalent

This course explores refrigeration theory, characteristics of refrigerants, temperature and pressure, tools and equipment, soldering, brazing, commercial refrigeration systems, system components, compressors, evaporators, and metering devices. Students will learn to charge commercial systems with new Environmental Protection Agency (EPA) refrigerants and evaluate the proper operation of systems. Troubleshooting techniques are explained with the use of wiring diagrams and electric meters. Students will learn to service and troubleshoot commercial refrigeration ice machines, coolers, walk-ins, refrigerators, and freezers. Students will be introduced to a variety of commercial refrigeration systems and components.

ACR 125 - Energy Efficient Residential, Commercial and Industrial Air Conditioning

Units: 4                Lecture Hours: 54              Lab Hours: 54              Outside Hours: 108
Grading Method: Letter                                 Credit Status: Credit, degree applicable
Transfer: CSU
Conditions of Enrollment: Prerequisite: Air Conditioning & Refrigeration 121 with a minimum grade of C or equivalent

This course covers energy efficient green technology (high efficiency), advanced residential, commercial and industrial air conditioning. Labs include the use of air conditioning test equipment, installation, repair and maintenance of various types of air conditioning systems. Topics include various techniques of troubleshooting electrical and mechanical problems; equipment operational efficiencies and building envelope condition; performing indoor air-quality and system efficiency testing; and system airflow and operational efficiencies.

ACR 127 - Heating Technologies

Units: 4                Lecture Hours: 54              Lab Hours: 54              Outside Hours: 108
Grading Method: Letter                                 Credit Status: Credit, degree applicable
Transfer: CSU
Conditions of Enrollment: Prerequisite: Air Conditioning & Refrigeration 121 with a minimum grade of C or equivalent

This course covers the principles of gas, electric, radiant and boiler operated heating systems. Classroom discussions focus on maintenance, repair and service techniques for furnaces, steam and hot water boilers. Laboratory exercises emphasize the use of test instruments and safety controls.

ACR 130 - Electric Controls

Units: 2                Lecture Hours: 36              Lab Hours: 0                Outside Hours: 72
Grading Method: Letter                                 Credit Status: Credit, degree applicable
Transfer: CSU
Conditions of Enrollment: Prerequisite: Air Conditioning & Refrigeration 121 with a minimum grade of C or equivalent

This course covers the study of electrical and electronic components, motors, and circuitry for air conditioning and refrigeration controls. Students apply theoretical principles in diagnosing electrical and electronic problems and safely make necessary repairs to Refrigeration, Heating, Ventilating and Air Conditioning (HVAC) systems. Energy efficiency practices and process related to electric and electronic controls is the focus of this course.

ACR 131 - HVAC Electronics

Units: 2                Lecture Hours: 36              Lab Hours: 0                Outside Hours: 72
Grading Method: Letter                                 Credit Status: Credit, degree applicable
Transfer: CSU
Conditions of Enrollment: Prerequisite: Air Conditioning & Refrigeration121 with a minimum grade of C or equivalent

In this course, the fundamentals of Direct Digital Controls (DDC) used in Heating, Ventilation, Air Conditioning and Refrigeration (HVACR) systems are presented. The topics covered include DDC system components, single and multi-function electronic controls, DDC and pneumatic Variable Air Volume (VAV) systems, variable speed motors, controllers, programmable and configurable logic controller operation and application, introduction to communication protocols, and electronic diagram interpretation.

ACR 134 - HVAC Customer Service and Industry Certifications

Units: 1                Lecture Hours: 18              Lab Hours: 0                Outside Hours: 36
Grading Method: Letter                                 Credit Status: Credit, degree applicable
Transfer: CSU
Conditions of Enrollment: Recommended Preparation: Air Conditioning & Refrigeration 121

This is a course in Heating, Ventilation and Air Conditioning (HVAC) customer service, Environmental Protection Agency (EPA) Section 608 and Section 609 Technican Certifications, and North American Technician Excellence (NATE) Certification. Topics include communication skills, problem solving, interview skills, refrigerant recovery and recycling, laws, regulations and energy efficiency. Students learn vital workplace skills through designed exercises as well as how employers evaluate these skills. Students can prepare for universal EPA and NATE certification.

ACR 136 - Electrical Applications

Units: 4                Lecture Hours: 54              Lab Hours: 54              Outside Hours: 108
Grading Method: Letter                                 Credit Status: Credit, degree applicable
Transfer: CSU
Conditions of Enrollment: Recommended Preparation: Air Conditioning & Refrigeration 121

This course focuses on basic electrical theory and training in installing, servicing, troubleshooting, and operating electrical control systems for air conditioning and refrigeration technology with the use of electrical diagrams. Single phase and three phase electrical power for air conditioning and refrigeration systems are covered in classroom discussions and laboratory assignments.

ACR 160 - Refrigeration and Air Conditioning Control Systems

Units: 4                Lecture Hours: 54              Lab Hours: 54              Outside Hours: 108
Grading Method: Letter                                 Credit Status: Credit, degree applicable Transfer: CSU
Conditions of Enrollment: Prerequisite: Air Conditioning & Refrigeration 136 with a minimum grade of C or equivalent

This course explores control system theory, electrical components and complex control systems with emphasis on supervisory control systems which employ direct digital, proportional and integral control modes and theoretical faults. The course provides the foundational skills required to analyze and service basic circuits as well as, complex analog control circuitry.

ACR 161 - Fundamentals of Automation Systems

Units: 3                     Lecture Hours: 54              Lab Hours: 0                Outside Hours: 108
Grading Method: Letter                                 Credit Status: Credit, degree applicable
Transfer: CSU
Conditions of Enrollment: Recommended Preparation: Air Conditioning & Refrigeration 121 or Air Conditioning & Refrigeration 131

This course is an introduction to the fundamentals of automation, commissioning, re-commissioning, retro- commissioning, installation, service and troubleshooting of mechanical, electrical, and Direct Digital Control (DDC) systems for the Heating, Ventilation, Air-Conditioning, and Refrigeration (HVACR) industry. This course includes a review of automation system communication protocols and unit supervisory level programming. 

ACR 162 - Energy Control and Optimization Systems

Units: 4                Lecture Hours: 54              Lab Hours: 54              Outside Hours: 108
Grading Method: Letter                                 Credit Status: Credit, degree applicable
Transfer: CSU
Conditions of Enrollment: Prerequiste: Air Conditioning & Refrigeration 161 with a minimum grade of C

In this course students will apply knowledge gained to develop, plan, direct, implement, optimize, and sustain system energy efficiency and control in single and multi-site locations. Course topics include direct digital controls, programmable controls, configurable controllers, multi-zone systems, communication protocols, control system commissioning, logic circuits, object and property program structure, and interoperability.

ACR 95 - Cooperative Work Experience Education

Units: 2-4             Lecture Hours: 0                Lab Hours: hours to be arranged
Grading Method:
Letter                             Credit Status: Credit, degree applicable
Transfer: CSU
Conditions of Enrollment: None
Enrollment Limitation: Employment or volunteer work in a position related to the student’s major or career goal by the second week of the semester. Completion of or current enrollment in one course from the major.

Through a set of learning objectives established by the student, supervisor, and instructor, each student will work with and learn from experts in the Air Conditioning and Refrigeration field. These experiences will enable students to improve job skills, analyze career opportunities and requirements, and compare them to personal abilities and career expectations.

Note: Transfer limitations apply.
Note: The total units earned for Cooperative Work Experience Education may not exceed 16 units.

ACR 99 - Independent Study
Units: 1-3             min Lecture Hours: 54       max Lecture Hours: 162
Grading Method: Letter                                  Credit Status: Credit, degree applicable
Transfer: CSU
Conditions of Enrollment: None
Enrollment Limitation: Two courses in Air Conditioning and Refrigeration with a minimum grade of B in each and acknowledgment by the instructor with whom the student will work.

This course provides special advanced studies in a subject field of Air Conditioning and Refrigeration not covered in the regular departmental offerings. Regular conferences with the instructor are coordinated with assigned Air Conditioning and Refrigeration projects (54 hours per unit).
Note: Transfer limitations apply.

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