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AIRC 140 Commercial Refrigeration

A study covering the special applications of the refrigeration cycle such as multiple evaporators, special defrost, ultra-low temperature, cascade systems, multiple compressors, and head pressure control in low ambient and various load conditions. Special refrigerant controls such as evaporator pressure regulators, expansion valves, and compressor unloading valves will be studied, with special emphasis on line sizing and unit selection

Credits

7.50 Credits

Semester Contact Hours Lecture

80

Semester Contact Hours Lab

80

General Education Competency

[GE Core type]

AIRC 140Commercial Refrigeration

Please note: This is not a course syllabus. A course syllabus is unique to a particular section of a course by instructor. This curriculum guide provides general information about a course.

I. General Information

Department

Trades and Industry

II. Course Specification

Course Type

Program Requirement

General Education Competency

[GE Core type]

Credit Hours Narrative

7.50 Credits

Semester Contact Hours Lecture

80

Semester Contact Hours Lab

80

Grading Method

Letter grade

Repeatable

N

III. Catalog Course Description

A study covering the special applications of the refrigeration cycle such as multiple evaporators, special defrost, ultra-low temperature, cascade systems, multiple compressors, and head pressure control in low ambient and various load conditions. Special refrigerant controls such as evaporator pressure regulators, expansion valves, and compressor unloading valves will be studied, with special emphasis on line sizing and unit selection

IV. Student Learning Outcomes

Upon completion of this course, a student will be able to:

  • Demonstrate a working knowledge of the basic components that make up a Commercial Refrigeration system
  • Demonstrate a working knowledge of refrigerant control devices used in Commercial refrigeration systems
  • Understand basic diagnostic procedures
  • Demonstrate critical thinking and problem solving in diagnosing systems
  • Complete a load calculation for walk-in refrigeration box and size the compressor application

V. Topical Outline (Course Content)

Evaporators and the Refrigeration System Condensers Compressors Expansion Devices Special Refrigeration Components Application of Refrigeration Systems Special Refrigeration Applications Troubleshooting High Pressure, Low Pressure, and Absorption Chilled- Water Systems Cooling Towers And Pumps Operation Maintenance, and Troubleshooting of Chilled- Water Air Conditioning Systems

VI. Delivery Methodologies

Required Assignments

Questions from end each unit covered in text and lab manual Troubleshooting exercises from computerized simulations Lab handouts per instruction

Required Exams

Successful completion of Lab Tasks Successful completion of Lab handouts and assignments Successful completion of Text assignments Successful completion of Exams Attendance

Required Text

Refrigeration and Air Conditioning Technology 7th Edition text Refrigeration and Air Conditioning Technology 7th Edition lab manual

Specific Course Activity Assignment or Assessment Requirements

Questions from end each unit covered in text and lab manual Troubleshooting exercises from computerized simulations Lab handouts per instruction Successful completion of Lab Tasks Successful completion of Lab handouts and assignments Successful completion of Text assignments Successful completion of Exams Attendance