Diagnostic Starting Point - Heating, Ventilation and Air Conditioning

Diagnostic Starting Point - Heating, Ventilation and Air Conditioning

Begin the system diagnosis by reviewing the Air Delivery Description and Operation (Air Delivery Description and Operation) and the Air Temperature Description and Operation (Air Temperature Description and Operation). Reviewing the Description and Operation information will help you determine the correct symptom diagnostic procedure when a malfunction exists. Reviewing the Description and Operation information will also help you determine if the condition described by the customer is normal operation. Refer to Symptoms - HVAC Systems - Manual (Symptom Related Diagnostic Procedures) in order to identify the correct procedure for diagnosing the system and where the procedure is located.