Vehicle Air Conditioning Basics
Any automotive air conditioning system employs four basic parts a mechanical compressor driven by the vehicle s engine.
Vehicle air conditioning basics. An expansion valve which is a restriction the compressor pumps against. Automotive air conditioning training manual 10. Enable the reader to understand the fundamental principles and operation of the heating. All car air conditioning systems are sealed systems with a high pressure side and low pressure side.
Refrigerant r134a theory automotive air conditioning training manual 11. Automotive ac service and repair basics. 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. 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. This means it not only cools the air down but also reduces the moisture content or humidity. Any automotive air conditioning system employs four basic parts. High pressure side low pressure r134a vapor entering the compressor is compressed to become high pressure temperature r134a vapor.
And two heat exchangers the evaporator and the condenser. A mechanical compressor driven by the vehicle s engine. All automotive air conditioning systems are nearly closed loops with a high pressure side and low pressure side. If we haven t heard from you yet chances are pretty good your ac is doing an ok job.
Give an overview of the historical development of the heating and ventilation system and introduction of the air conditioning a c system. How the air conditioner works refrigeration cycle. When the refrigerant is drawn into the compressor it is in a low pressure gaseous form. Automotive air conditioning system diagram.
We ll start with the high pressure side as it leads from the engine to the passenger compartment. This is then circulated along with lubricant oil to the. It s summertime here in the valley and your cars air conditioning has been working overtime for several months now. Auto air conditioning systems at a glance links.
The compressor is a pump driven by a belt attached to the engine s crankshaft. An expansion valve which is a restriction the compressor pumps against. 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. Buy ecklers premier quality products 25106582 corvette air conditioning control vacuum valve.