- Diagnose thermostatic expansion valve failures using superheat analysis and valve response testing
- Perform compressor failure analysis including electrical, mechanical, and refrigerant-related failures
- Verify system capacity using temperature split, superheat, subcooling, and airflow measurements
- Apply systematic diagnostic methodology to multi-symptom system failures
- Measure and interpret total external static pressure and its impact on system performance
- Calculate required airflow and verify actual delivered airflow using multiple methods
- Identify and correct common ductwork deficiencies that reduce system capacity
- Apply delta-T analysis to diagnose airflow, charge, and equipment problems
Ready to test your knowledge?
Take the practice exam to see how well you've mastered the material.
Ready to test your knowledge?
Take the practice exam to see how well you've mastered the material.
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