Vehicle Air Conditioning Basics

All automotive air conditioning systems are nearly closed loops with a high pressure side and low pressure side.

Vehicle air conditioning basics.

A mechanical compressor driven by the vehicle s engine. Automotive air conditioning has come a long way since the ac in this 1965 mercedes 220seb but the basic operating theory remains the same. If we haven t heard from you yet chances are pretty good your ac is doing an ok job. Automotive air conditioning system diagram.

Any automotive air conditioning system employs four basic parts. An expansion valve which is a restriction the compressor pumps against. Automotive air conditioning training manual 10. This is then circulated along with lubricant oil to the.

How the air conditioner works refrigeration cycle. Changes in air conditioning refrigerant in order for a vehicle s air conditioning or almost any air conditioning period to work a substance known as refrigerant is necessary. Refrigerant r134a theory automotive air conditioning training manual 11. Automotive ac service and repair basics.

Enable the reader to understand the fundamental principles and operation of the heating. It s summertime here in the valley and your cars air conditioning has been working overtime for several months now. This means it not only cools the air down but also reduces the moisture content or humidity. And two heat exchangers the evaporator and the condenser.

When the refrigerant is drawn into the compressor it is in a low pressure gaseous form. High pressure side low pressure r134a vapor entering the compressor is compressed to become high pressure temperature r134a vapor. We ll start with the high pressure side as it leads from the engine to the passenger compartment. Provide the reader with a case study on the design and optimisation of an air conditioning a c system.

In most basic terms your car s ac system is just a weirdly laid out fridge designed to move heat from inside of your car to the outside. An expansion valve which is a restriction the compressor pumps against. 1 air conditioning fundamentals the aim of this chapter is to. And two heat exchangers the evaporator and the condenser.

In 1954 the nash ambassador was the first american automobile to have a front end fully integrated heating ventilating and air conditioning system. Buy ecklers premier quality products 25106582 corvette air conditioning control vacuum valve. Auto air conditioning systems at a glance links. The compressor is a pump driven by a belt attached to the engine s crankshaft.