Academic Catalog

APPR 183B: ADVANCED ELECTRICITY FOR SHEET METAL & AIR CONDITIONING SERVICE

Foothill College Course Outline of Record

Foothill College Course Outline of Record
Heading Value
Units: 4.5
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 Sheet Metal-Air Conditioning Service Mechanic Program.
Degree & Credit Status: Degree-Applicable Credit Course
Foothill GE: Non-GE
Transferable: None
Grade Type: Letter Grade (Request for Pass/No Pass)
Repeatability: Not Repeatable

Student Learning Outcomes

  • A successful student will be able to explain induction principle used in transformers.
  • A successful student will be able to fabricate wire and test a basic HVAC control circuit.

Description

Continued development of skills necessary for sheet metal workers to service air conditioning equipment with special emphasis on the use of basic electrical testing instruments, principles, transformers, relays, contacts and safety around electrical equipment.

Course Objectives

The student will be able to:
A. Work safely around commonly encountered HVAC electrical circuits.
B. Build and discuss an experimental and application bread board.
C. Wire simple electrical HVAC power and control circuits.
D. Discuss functions of common HVAC electrical components.

Course Content

A. Work safely around commonly encountered HVAC electrical circuits
1. Safety around electric equipment in the workplace
2. Recognition of commonly encountered electrical safety hazards
3. Identification of basic color coding for electric wires
B. Build and discuss an experimental and application bread board
1. Use of basic electrical testing instruments
2. Description of advantages of alternating current over direct current
3. Explanation of the induction principle used in transformers, and impedance and its contributing factors
C. Wire simple electrical HVAC power and control circuits
1. Establishment of solutions to problems concerning power distribution
2. General use of relays, contacts and remote bulb thermostats
3. Describe the sequence of events needed to wire an electrical circuit
D. Discuss functions of common HVAC electrical components
1. List components, including transformer, gas valve, heat exchanger, filter, fan, sensors and limit switches, thermostat and igniter
2. Explain functions of each component, as in relation to operation of system in question and including safety features

Lab Content

A. Use of electrical tools, components and test instruments to build and evaluate electrical circuits common to HVAC systems
B. Practice of electrical safety precautions around electrical circuits
C. Demonstration and discussion of realistic HVAC electrical problems

Special Facilities and/or Equipment

Laboratory equipped with air conditioning equipment.

Method(s) of Evaluation

A. Results of written quizzes and tests, and comprehensive written final examination
B. Shop participation
C. Assignments that may include outside readings, reports and worksheets
D. Maintenance of a workbook of student's daily work activities

Method(s) of Instruction

A. Lecture
B. Discussion
C. Laboratory
D. Demonstration

Representative Text(s) and Other Materials

Whitman, B., B. Johnson, J. Tomczyk, and E. Silberstein. Refrigeration and Air Conditioning Technology. 8th ed. Delmar, Cengage Learning, 2016.

International Training Institute for the Sheet Metal and Air Conditioning Industry. Service Work Lab Manual. IDI Multimedia, 2008.

 

Types and/or Examples of Required Reading, Writing, and Outside of Class Assignments

A. An example of a reading assignment is to read in the Service Work Lab Manual, Unit 5, pages 165-186 "Basic Electrical and Magnetism"

B. An example of a written assignment is to complete the quiz on page 171 of the Service Work Lab Manual, regarding electrical current, measurement and basic components

 

Discipline(s)

Air Conditioning, Refrigeration, Heating