The Heating, Ventilation and Air Conditioning (HVAC) system is divided into
2 separate sections. The first, Heating, Ventilation and Air Conditioning, has
all procedures that pertain to a HVAC component or function that is not specifically
associated with the manual control system. The second, HVAC Systems -
Manual, has all procedures specific to the Manual control system.
Begin the system diagnosis with the
Diagnostic System Check - HVAC Systems - Manual
in HVAC Systems - Manual.
The Diagnostic System Check will provide the identification of the control modules
which command the system.
The use of the Diagnostic System Check will identify the correct procedure for
diagnosing the system and where the procedure is located.
Review the Description and Operation information to 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. The HVAC Description and Operation information
is divided into:
The Air Delivery Description and Operation contains the following topics:
| • | HVAC Control Components |
| • | Recirculation Operation |
The Air temperature Description and Operation contains the following topics:
| • | HVAC Control Components |
| • | Heating and A/C Operation |
