Advanced AC & Heat Pump Diag.

Learn advanced diagnostic skills for today’s AC & Heat Pump systems.

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Course Description

Is there such a thing as advanced air conditioner and heat pump servicing, beyond the basics? What if charging conditions are less than optimal? What is “non-invasive” testing? In this one-day class, techs learn advanced diagnostic skills for today’s AC & Heat Pump Systems.

What you'll learn

  • Measurements: Learn to use superheat and subcooling as service tools, measure BTU output and diagnose non-condensables in the system.
  • Cold Weather: Master the secrets of charging when it’s cold outside, and installing and operating high and low ambient controls.
  • Controls: Understand thermal and economic balancepoint, defrost controls and using schematics for troubleshooting.

Course Overview

Sample Syllabus
  • Review of the refrigeration cycle
  • Components of the refrigeration cycle and how they work
    • Evaporator
    • Compressor
    • Condenser
    • Metering device
  • Determining system metering device type
  • Proper refrigerant charging techniques
    • Superheat
    • Sub cooling
    • Approach
  • Making adjustments to improperly charged system
  • Cold weather charging
  • Refrigeration system troubleshooting
  • TXV operation and troubleshooting
  • Heat pump operation
  • Balance point
  • Reversing valve operation and troubleshooting
  • Defrost operation and troubleshooting
    • Time and temperature defrost board
    • Demand defrost boards
  • Heating check charts

Ready to take the next step in your career?

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2023 Course Schedule

Course Name Date Location Type (In-Person or Live-Stream)