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.

If we haven t heard from you yet chances are pretty good your ac is doing an ok job. An expansion valve which is a restriction the compressor pumps against. 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. Automotive air conditioning system diagram.

Auto air conditioning systems at a glance links. It s summertime here in the valley and your cars air conditioning has been working overtime for several months now. 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. And two heat exchangers the evaporator and the condenser.

All car air conditioning systems are sealed systems with a high pressure side and low pressure side. Automotive air conditioning training manual 10. Enable the reader to understand the fundamental principles and operation of the heating. Refrigerant r134a theory automotive air conditioning training manual 11.

How the air conditioner works refrigeration cycle. Any automotive air conditioning system employs four basic parts. In 1954 the nash ambassador was the first american automobile to have a front end fully integrated heating ventilating and air conditioning system. And two heat exchangers the evaporator and the condenser.

Any automotive air conditioning system employs four basic parts a mechanical compressor driven by the vehicle s engine. Give an overview of the historical development of the heating and ventilation system and introduction of the air conditioning a c system. An expansion valve which is a restriction the compressor pumps against. 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. Provide the reader with a case study on the design and optimisation of an air conditioning a c system. Automotive air conditioning has come a long way since the ac in this 1965 mercedes 220seb but the basic operating theory remains the same. 1 air conditioning fundamentals the aim of this chapter is to.

A mechanical compressor driven by the vehicle s engine. This means it not only cools the air down but also reduces the moisture content or humidity. This is then circulated along with lubricant oil to the. We ll start with the high pressure side as it leads from the engine to the passenger compartment.