ACR 123 - Commercial Refrigeration Applications

    Recent Professors
    Joshua Johnson
    Recent Semesters
    Fall 2025
    Class Size
    26 students
    Difficulty
    6.2Demandingout of 10
    Credits
    4
    Prerequisite
    Prerequisite: ACR 121 with a minimum grade of C
    Fall 2025 Sections
    View Fall 2025 sections of ACR 123
    Transfers To
    CSU
    Description
    This course explores refrigeration theory, characteristics of refrigerants, temperature and pressure, tools and equipment, soldering, brazing, commercial refrigeration systems, system components, compressors, evaporators, and metering devices. Students will learn to charge commercial systems with new Environmental Protection Agency (EPA) refrigerants and evaluate the proper operation of systems. Troubleshooting techniques are explained with the use of wiring diagrams and electric meters. Students will learn to service and troubleshoot commercial refrigeration ice machines, coolers, walk-ins, refrigerators, and freezers. Students will be introduced to a variety of commercial refrigeration systems and components.
    Usually Held
    Mon Wed Fri 1:00pm–3:10pm, Mon Wed Fri 3:20pm–5:30pm