Academic Catalog


Foothill College Course Outline of Record

Foothill College Course Outline of Record
Heading Value
Effective Term: Summer 2021
Units: 5
Hours: 37 lecture, 86 laboratory per quarter (123 total per quarter)
Prerequisite: Per California Code of Regulations, this course is limited to students admitted to the Plumbing & Pipefitting Apprenticeship 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

  • 1- Draw and define the refrigeration cycle
  • 2- Define customer complaints and ways to improve performance


Third-year course of the Plumber, Pipefitter & Service Tech Apprenticeship Program. Reviews the theory and application of related math and science as well as the vapor compression cycle and refrigeration components and systems.

Course Objectives

The student will be able to:
A. Explain the fundamentals of the theory and vapor refrigeration cycle.
B. Explain the purpose and demonstrate how do use a pressure enthalpy diagram.
C. Define HVAC equipment.
D. Explain compressors' operation.
E. Explain customer relations.

Course Content

A. Vapor Refrigeration Cycle
1. Define superheat, sub cooling, superheated gas and sub cooled gas
2. Draw out and define the refrigeration cycle
B. Pressure Enthalpy Diagram
1. Find compressor ratio, net refrigeration effect
2. Trace out an entire system on an enthalpy diagram
C. HVAC Equipment
1. DX systems, cooling towers, chillers, boilers, package and split systems
2. Define how these systems work and operate
D. Compressor Operation
1. Become acquainted with several different types of compressor hermetic, screw, scroll and reciprocating
2. Perform complete tear down of compressor and rebuild back together
E. Customer Relations
1. Understanding and listening to our customers' needs and pains
2. Perform in front of class one-on-one factual problems

Lab Content

Students will work individually and in teams on practical projects using the Hampton trainers and compressor trainers demonstrating testing and repair in the following areas:
A. Refrigeration cycle
B. Tear down compressor and perform rebuild
C. Troubleshoot problems on trainer
D. Take sub cooling readings
E. Take super heat readings
F. Gauge and amp compressors

Special Facilities and/or Equipment

A. Lecture and laboratory classrooms with chalkboard
B. Audio-visual equipment (slide, video, and overhead projectors)
C. Supplemental handouts
D. Shop work on Hampton refrigeration trainer; work on compressor trainers in shop

Method(s) of Evaluation

Written examination
Hands-on demonstration
Group and classroom participation

Method(s) of Instruction

Lectures and classroom discussions on refrigeration systems
Laboratory (hands-on) refrigeration trainer
Demonstrations of skills in front of classroom

Representative Text(s) and Other Materials

UA Text Refrigeration. HVACR Training Manual, Vol. 1. 2008.

Although this text is older than the suggested "5 years or newer" standard, it remains a seminal text in this area of study.

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

A. Readings from the UA HVACR Training Manual, Vol. 1
B. Writing assignments include homework from textbook