NWCCD 2020-21 Catalog 
    Mar 26, 2023  
NWCCD 2020-21 Catalog [This is an Archived Catalog.]

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DESL 1670 - Heavy Equipment A/C Systems

This course is intended for students planning a career in the Diesel Technology field. It is designed to provide instruction in the Heavy Equipment A/C systems used in today’s equipment. The theory and operation of systems are presented. Proper handling of refrigerants according to EPA regulations is covered and voluntary certification from the ASE is offered. Diagnosis and repair of systems is emphasized.

Credits: 2

Instructional Method Lecture/Lab

General Education Requirement: None
Comments: Course must be completed with a C or better.

Minimum Student Competencies
Upon completion of DESL 1670 Heavy Duty A/C Systems, the student will:

  1. Explain the basic theory of heavy-duty air conditioning systems.
  2. List the five components of the air conditioning system and explain how they work.
  3. Discuss the requirements of the Clean Air Act as they affect air conditioning systems.
  4. Recall the types of refrigerants used in A/C systems.
  5. Properly operate the equipment necessary for the service of A/C systems.
  6. Recall the procedures for retrofitting a system for R-12 or R-134a.
  7. Outline the requirements of a cab ventilation system.
  8. Summarize the liquid-cooled heating system.

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