60% of mechanical failures are refrigerant-related.

Have you ever struggled with a system that wouldn’t charge properly? Do you wonder if there is a better way test a system in less-than-perfect conditions? Let us help! This one-day course* is designed to equip you with the advanced diagnostic skills you need for today’s AC & Heat Pump systems.

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.

*This class qualifies for 8 hours of NATE continuing education credits.

  • Program Price: $399
  • Premier Dealers: $319* (20% discount)

*Prices subject to change.

Advanced AC & Heat Pump Diagnostics

Course Outline

  • 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
Test Systems in Challenging Conditions

Advanced AC & Heat Pump Diagnostics Calendar

READY TO GET STARTED?

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