The Heating, Ventilation and Air Conditioning (HVAC) system
is divided into three 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 an automatic or manual
control system. The second, HVAC Systems - Manual, has all procedures
specific to the manual control system. The third, HVAC Systems - Automatic,
has all procedures specific to the automatic control system.
Begin the system diagnosis with the :
The Diagnostic System Check will provide the following information:
| • | The identification of the control module(s) which command the
system. |
| • | The ability of the control module(s) to communicate through the
serial data circuit. |
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:
The Air temperature Description and Operation contains the following
topics:
