Vehicle Air Conditioning Basics

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Vehicle air conditioning basics.

The compressor is a pump driven by a belt attached to the engine s crankshaft. High pressure side low pressure r134a vapor entering the compressor is compressed to become high pressure temperature r134a vapor. If we haven t heard from you yet chances are pretty good your ac is doing an ok job. When the refrigerant is drawn into the compressor it is in a low pressure gaseous form.

Automotive ac service and repair basics. 1 air conditioning fundamentals the aim of this chapter is to. Any automotive air conditioning system employs four basic parts a mechanical compressor driven by the vehicle s engine. How the air conditioner works refrigeration cycle.

All car air conditioning systems are sealed systems with a high pressure side and low pressure side. Automotive air conditioning training manual 10. Auto air conditioning systems at a glance links. Give an overview of the historical development of the heating and ventilation system and introduction of the air conditioning a c system.

Refrigerant r134a theory automotive air conditioning training manual 11. Enable the reader to understand the fundamental principles and operation of the heating. An expansion valve which is a restriction the compressor pumps against. This means it not only cools the air down but also reduces the moisture content or humidity.

An expansion valve which is a restriction the compressor pumps against. And two heat exchangers the evaporator and the condenser. Any automotive air conditioning system employs four basic parts. All automotive air conditioning systems are nearly closed loops with a high pressure side and low pressure side.

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. We ll start with the high pressure side as it leads from the engine to the passenger compartment. 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.

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. 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.