Dealer Technician Training – Week 3 – RV Absorption Refrigerators

Week # 3 - RV Absorption Refrigerators – 4 Days / 10 Hours per day


  • Review the theory of operation of the Dometic and Coleman brands and models of the RV air conditioners and heat pumps
  • Identify the thermostats and temperature controls used in today’s RVs
  • Learn to read the wiring diagrams for the current models
  • Identify the various test points for the low voltage controls and the 120 volt AC power voltages of these units

Hands-On Labs

  • Component Identification
  • Troubleshooting Procedures on:
    • Temperature controls
    • Circuit board operations
    • Heating element(s)
    • LP gas ignition system
    • Air flow issues that affect the cooling of absorption type of refrigerators. switches
    • Diagnose operation of the cooling coil
    • Remove and replace the cooling coil

Final Exam will require hands-on troubleshooting and repairing of defective RV Absorption Refrigerators. Requires a passing Grade of 70% or better to receive credit for this class.

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