APRT 140B: REFRIGERATION BASICS FOR RESIDENTIAL HVAC SERVICE
Foothill College Course Outline of Record
|Hours:||24 lecture, 30 laboratory per quarter (54 total per quarter)|
|Prerequisite:||Per California Code of Regulations, this course is limited to students admitted to the Sheet Metal Residential Service Apprenticeship Program.|
|Degree & Credit Status:||Degree-Applicable Credit Course|
|Grade Type:||Letter Grade (Request for Pass/No Pass)|
Student Learning Outcomes
- A student will be able to demonstrate practical skills in Sheet Metal heating and Air Conditioning service work, with appropriate safety precautions.
- A student will be able to identify and explain functions of the basic refrigeration cycle components.
The student will be able to:
A. Apply practical skills handling refrigerants in HVAC service work, with appropriate safety precautions.
B. Explain the basic refrigeration cycle.
C. Identify and explain functions of basic refrigeration cycle components.
D. Describe and use refrigerant gages and high vacuum evacuation equipment.
E. Assemble and braze refrigeration piping.
A. Apply practical skills handling refrigerants in HVAC service work, with appropriate safety precautions
1. List techniques to keep refrigerant contained in transport, evacuation and charge operations
2. Perform checks for ventilation, clean work area, and typical hazards on job sites
B. Explain the basic refrigeration cycle
1. The British Thermal Unit, BTU
2. Sensible and latent heat
3. The refrigeration cycle
C. Identify and explain functions of basic refrigeration cycle components
2. Airflow in residential systems
D. Describe and use refrigerant gages and high vacuum evacuation equipment
1. Use of refrigerant gages
2. Evacuation procedures and techniques
3. Importance of removing moisture from refrigerant systems
4. Evaluation of vacuum service equipment
E. Assemble and braze refrigeration piping
1. Safe uses of oxy-acetylene brazing equipment
2. Charging a refrigeration system
A. Practice safety techniques for measuring and handling HVAC refrigerants
B. Practice safety techniques for use of oxy-acetylene brazing equipment
C. Assemble refrigerant piping
Special Facilities and/or Equipment
Method(s) of Evaluation
A. Results of written quizzes and tests
B. Satisfactory completion of shop projects
C. Comprehensive written final examination
D. Maintenance of a workbook of student's daily work activities
Method(s) of Instruction
Representative Text(s) and Other Materials
International Training Institute for the Sheet Metal and Air Conditioning Industry. Residential HVAC Service Technician. International Training Institute, 2007.
NOTE: This is the standard Sheet Metal textbook/workbook used for this course. Although it may not be within 5 years of the required published date, it is the most current book used when teaching this course.
Types and/or Examples of Required Reading, Writing, and Outside of Class Assignments
A. Readings from textbook on Instruments and Gauges
B. Writing assignments given in the laboratory
1. Make a schematic drawing of a basic refrigeration system with components
2. Describe the refrigerant properties at each point in the system