HV-HC-304 Hydrocarbon Refrigerant w/ Lokrings

This course is designed to present appliance technicians with safety information and best practices for working with approved flammable refrigerants.

This course is made up of two 8-hour days of instruction. Student must have EPA 608, Type 1 certification to participate.

  • Unit 1

    Hydrocarbon Refrigerant Safety, is designed to provide technicians with an understanding of the safety requirements for servicing systems that contain EPA SNAP approved flammable refrigerants.

  • Unit 2

    Lokring Service Training, is designed to provide technicians with an overview of the products available through American Vulkan Corporation and the endless applications for Lokring solder-free tube connections. Students will participate in both classroom and hands-on training exercises to ensure mastery of the installation and servicing processes associated with Lokring tube connections.

  • applications icon - hydrocarbons course for hvac technicians


    Commercial and residential refrigeration
    Refrigerators, freezers, wine fridges, and more
    Process suitable for all refrigerants (R-600, R-290, R-134a)

Course Objectives
  • Identify Uses of Hydrocarbons as Refrigerants
    • Environmental impact
    • Advantages
    • Applications & availability
  • Summarize hydrocarbon regulations and standards
    • Approved HC refrigerants
    • Restricted uses and applications
    • Labeling
    • Liability concerns
  • Identify refrigerant properties and safety
    • Safety classifications
    • Flammability hazards
    • MSDS & health hazards
    • Rated equipment
    • Cylinder safety
    • Confined spaces
  • Explain servicing procedures
    • Compressor removal & installation
    • Brazing & mechanical joints
    • Sparking hazards
    • Leak & pressure testing
    • Recovery, evacuation, and charging
    • Rated replacement parts
  • Summarize various Lokring applications
    • HVAC & appliance applications
    • Advantages
    • Availability
  • Assemble Lokring tube connections
    • Micrometer measurements
    • Tubing construction
    • Fitting selection
    • Material preparation
    • Installation


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