APPT 152: RF 102 BASIC ELECTRICITY & REFRIGERATION
Foothill College Course Outline of Record
|Hours:||30 lecture, 78 laboratory per quarter (108 total per quarter)|
|Prerequisite:||Per California Code of Regulations, this course is limited to students admitted to the Air Conditioning & Refrigeration Technology Apprenticeship Program.|
|Advisory:||Not open to students with credit in APPR 132.|
|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 differentiate between series and parallel circuits.
- A student will be able to define Ohm's Law.
- A student will be able to describe fundamentals of the vapor compression cycle.
The student will be able to:
A. Describe basic electrical fundamentals, including Ohm's Law and basic circuit types.
B. List and explain the function of various electrical devices and components.
C. Demonstrate the proper use of meters and simple components.
D. Apply the fundamentals of physics and the vapor compression cycle.
A. Fundamentals of Electricity
1. Atomic theory
2. Ohm's Law
3. Power distribution
B. Electrical Safety
1. Effects of human contact with electricity
2. Lock-out/tag-out procedures
C. Measuring Instruments
1. Digital and analog types
D. Electrical Circuits
1. Capacitive, inductive, and resistive loads
2. Series, parallel, and compound circuits
3. Fuses, breakers, and conductors
1. Electrical motor types
2. Motor starters
3. Overload protection
4. Motor troubleshooting
F. Electrical Devices
2. Solenoid valves
3. Switches and thermostats
G. Wiring Diagrams
1. Heating and cooling circuits
2. Heat pump circuits and controls
H. Electrical Troubleshooting Techniques
1. Troubleshooting approach
2. Diagnosing and isolating faults
3. Troubleshooting exercises
I. Science and Math
1. States of matter
2. Pressure-temperature relationships
3. Areas and volume
4. Applied formulas
J. Refrigeration Theory
1. Refrigeration methods
2. Application of the vapor compression cycle
Students will work individually and in teams on electrical troubleshooting projects.
Special Facilities and/or Equipment
B. Laboratory with HVACR service tools
Method(s) of Evaluation
A. Results of written quizzes and final examination
B. Satisfactory completion of hands-on projects
C. Maintenance of a student's workbook with questions drawn from text
Method(s) of Instruction
B. Lab Assignment
C. Group Discussion
Representative Text(s) and Other Materials
Carrier Corporation. General Training Electricity (Fundamentals) GTE-II. Modules 1-9. Syracuse, NY: Carrier Corporation, 1993.
Carrier Corporation. General Training Air Conditioning (Fundamentals) GTAC-I. Modules 1-4. Syracuse, NY: Carrier Corporation, 1993.
The International Pipe Trades Joint Training Committee. Basic Electricity. Orland Park, IL: American Technical Publishers, Inc., 2015.
Auvil, Ronnie J. HVAC and Refrigeration Systems Training Manual. Orland Park, IL: American Technical Publishers, 2014.
Note: Although one or more of these texts are older than the recommended 5 years they conform to national training standards and are considered seminal works in the discipline. We will adopt the next edition of each text, as it is published.
Types and/or Examples of Required Reading, Writing, and Outside of Class Assignments
A. Readings from textbook General Training Air Conditioning: Module 3
1. Lesson 2, Mechanical Refrigeration Components
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