This course introduces the essential methods and practices for diagnosing and solving problems in HVAC‑R systems. Students learn systematic troubleshooting techniques, proper use of diagnostic tools, and the interpretation of electrical and refrigeration schematics. Emphasis is placed on safety, accurate problem identification, and developing practical skills for real‑world service situations.
Prerequisites
HVA 101, HVA 103, and HVA 110 with a grade of “C” or higher, HVA 105 with a grade of “C” or higher or concurrent enrollment in HVA 105, or instructor approval.
1. Explain the procedures for servicing and installing small hermetic systems.
2. Demonstrate the correct procedures for charging air-conditioning units.
3. Diagnose and repair electrical and electronic problems.
4. Install heating, refrigeration, and air-conditioning systems, along with their associated components.
5. Interpret schematic diagrams for air conditioning, heating, and refrigeration systems.
6. Demonstrate the selection and safe, proper use of various heating, refrigeration, and air conditioning tools and equipment.
7. Solve mathematical and applied science problems necessary for the effective installation and maintenance of heating, refrigeration, and air conditioning systems and their components.
8. Predict performance issues and troubleshoot heat pump systems.
9. Adhere to all applicable regulations and codes to ensure personal and public safety while performing work.