Title: (Optional) Conduct performance test(s) on the HVAC systems.
Course: Diesel Equipment Technology III (20107-III) > Section: HVAC: Servicing HVAC Systems (EPA 609 required)

Conducting should include

- identifying the system type and components (e.g., cycling clutch orifice tube [CCOT], expansion valve)
- following manufacturer-detailed steps for conducting an HVAC performance test
- determining any needed action.

ASE 3: VI. Heating, Ventilation, and Air Conditioning A. General (P-1)

Process/Skill Questions:

- How long should a vehicle sit before a static reading test is performed?
- Which doors and/or windows should be open during the performance test?