Discipline: Air Conditioning & Refrigeration Degree Credit  [X]
Non Credit  [ ]
Nondegree Credit  [ ]
Comm Service  [ ]
 

Riverside Community College District
Integrated Course Outline of Record

Air Conditioning & Refrigeration 50B


COURSE DESCRIPTION
50B Advanced Refrigeration Units: 5.00
 
Prerequisite(s): AIR 50B: Advanced Refrigeration
Consists primarily of troubleshooting, diagnosis, and repair of domestic refrigeration equipment to include refrigerators, freezers, window air conditioners. Also includes preventive maintenance and repair. 72 hours lecture and 54 hours laboratory.
 
SHORT DESCRIPTION FOR CLASS SCHEDULE
Troubleshooting, diagnosis, and repair of domestic refrigeration equipment.
 
ADVISORY ENTRY SKILLS
Before entering the course, students will be able to:
  1. Explain basic air conditioning and refrigeration principles including the physical laws, chemical and engineering principles.

  2. Utilize appropriate terminology used in the air conditioning and refrigeration industry.
STUDENT LEARNING OUTCOMES
 Upon successful completion of the course, students should be able to:

Troubleshoot and diagnose domestic refrigeration equipment and
refrigeration control devices.

Repair domestic refrigeration equipment and control devices.

Perform routine preventative maintenance on air conditioning and
refrigeration equipment, and control devices.
 
COURSE CONTENT
  TOPICS
 
  1. Safety in the refrigeration shop.
  2. Measuring AC parts.
  3. Tools and their uses and fitting nomenclature.
  4. Types of tubing connections.
    1. Flared tube joints
    2. Swaged joints
    3. Copper fittings  
  5. Fittings
    1. Types of fitting and their uses
    2. Making a soldered and silver-brazed assembly
  6. Installing manifold gauges to check a refrigeration system.
  7. Measuring temperatures.
  8. Identifying and assembling refrigeration devices 
  9. Installation or change-out of a hermetic compressor.
  10. Functions and use of electrical test equipment.
    1. Ohmmeter
    2. Ammeter
    3. Apacitor tester
    4. Compressor tester  
  11. Schematic diagram utilization.
  12. Electrical systems
    1. Testing procedures for electrical connections.
    2. Tracing and checking electrical circuits
    3. Types of electric motors 
      1. Open motors
      2. Repulsion-start induction motors
      3. Shaded-pole motors
  13. Installing fan belts and service valves.
  14. Testing for refrigerant leaks.
  15. Using a vacuum pump/recovery machine.
  16. Using a charging cylinder.
 
METHODS OF INSTRUCTION
 Methods of instruction used to achieve student learning outcomes may include, but are not limited to:

  • Presenting class lectures, discussions and demonstrations by instructor or guest speakers in order to introduce students to principles, concepts, tools and equipment.· Presenting class lectures, discussions and demonstrations by instructor or guest speakers in order to introduce students to principles, concepts, tools and equipment.
  • Utilizing multi-media presentations to demonstrate and simulate complex concepts
  • Assigning homework that reinforces concepts presented in class lecture and gives students an opportunity to conduct research on a variety of air conditioning systems
  • Assigning small group and individual class exercises that enable students to work cooperatively as a team to solve system problems under the supervision and guidance of the instructor
 
METHODS OF EVALUATION
 Students will be evaluated for progress in and/or mastery of learning outcomes by methods of evaluation which may include, but are not limited to:

  • Frequent quizzes and tests that enable instructor to assess students’ comprehension of key concepts and procedures used in refrigeration.
  • Hands-on problem-solving exercises that demonstrate students’ ability to troubleshoot system problems, formulate repair strategies and apply content
  • Homework assignments that demonstrate students’ individual ability to problem solve and apply content knowledge.
  • Final exam that assesses students’ overall comprehension of content material
ASSIGNMENTS

Required Reading Assignments


Required Writing Assignments


Other Outside-of-Class Assignments
 
COURSE MATERIALS
 All materials used in this course will be periodically reviewed to ensure that they are appropriate for college level instruction. Possible texts include:

  • Johnson, William M., Tomczyk, John and Whitman, William C.. Refrigeration & Air Conditioning Technology. 4 ed. any: Delmar, 2000.
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