Advanced AC & Heat Pump Diagnostics
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.
*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
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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
Advanced AC & Heat Pump Diagnostics Calendar
Training Agenda
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Get NATE credit for your Learning Solutions training hours.
And we’ll send the hours you earn directly to NATE on your behalf.
It’s simple. Register your NATE I.D. with us, make sure you’re logged into your lennoxpros.com page, click here, and follow the instructions on the page.