- Use P-T analysis to diagnose low charge, overcharge, restriction, and non-condensable conditions
- Apply systematic electrical troubleshooting using wiring diagrams and voltage analysis
- Correlate multiple simultaneous measurements to identify complex system failures
- Distinguish between refrigerant-side and air-side causes of similar symptoms
- Explain the purpose and key inputs of a Manual J load calculation
- Select equipment that matches the calculated heating and cooling loads
- Identify the consequences of oversized and undersized equipment
- Apply Manual D principles for duct system design and sizing
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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