Title: (Optional) Verify the need for service or repair of HVAC systems.
Course: Diesel Equipment Technology III (20107-III) > Section: HVAC: Servicing HVAC Systems (EPA 609 required)

Verification should include

- determining if there is an unusual visual, olfactory, or tactile condition
- visually inspecting the interior for moisture on the floorboard
- determining any needed action.

ASE 2: VI. Heating, Ventilation, and Air Conditioning B. Refrigeration System Components (P-1)

Process/Skill Questions:

- Where is icing seen or felt if there is a restriction in the liquid line?
- Why do AC system components ice up?