Jul 31, 2025  
2025-26 RCC Catalog 
    
2025-26 RCC Catalog
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DS 270 - AC for Diesel Technicians


5 Credit(s)

Prerequisite(s):  

 DS 120  and DS 131  

Course Description: Covers vehicle air conditioning systems theory and operation. Uses industry identified skills for diagnosis, repair, and servicing of 1234yf and R134A systems. Also covers government regulations in the safe handling of refrigerants. 

Course Learning Outcomes:

  • CLO#1: Identify the correct use of protective gear and safety equipment while working on air conditioning systems. (ILO: Critical Thinking)
  • CLO#2: Identify the refrigeration cycle including safety procedures and testing requirements for temperature/pressure relationships.
  • CLO#3: Apply proper refrigeration recovery procedures according to EPA standards.
  • CLO#4: Inspect, trouble shoot, diagnose and repair the air condition system.
  • CLO#5: Troubleshoot and test air conditioning components, systems, and accessories, including the sequence of operation.

ACTI Code and Course Type
210 Career / Tech Preparatory

Length of Course:
A required state minimum of (100) and a standard RCC delivery of (110) lecture/lab per term, not to exceed (120) hours per term.



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