Vehicle Air Conditioning Basics

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Vehicle air conditioning basics.

Automotive air conditioning has come a long way since the ac in this 1965 mercedes 220seb but the basic operating theory remains the same. When the refrigerant is drawn into the compressor it is in a low pressure gaseous form. And two heat exchangers the evaporator and the condenser. It s summertime here in the valley and your cars air conditioning has been working overtime for several months now.

This is then circulated along with lubricant oil to the. 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. 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.

The compressor is a pump driven by a belt attached to the engine s crankshaft. 1 air conditioning fundamentals the aim of this chapter is to. Automotive air conditioning system diagram. Any automotive air conditioning system employs four basic parts a mechanical compressor driven by the vehicle s engine.

Refrigerant r134a theory automotive air conditioning training manual 11. In 1954 the nash ambassador was the first american automobile to have a front end fully integrated heating ventilating and air conditioning system. Enable the reader to understand the fundamental principles and operation of the heating. 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.

Provide the reader with a case study on the design and optimisation of an air conditioning a c system. How the air conditioner works refrigeration cycle. All automotive air conditioning systems are nearly closed loops with a high pressure side and low pressure side. And two heat exchangers the evaporator and the condenser.

A mechanical compressor driven by the vehicle s engine. We ll start with the high pressure side as it leads from the engine to the passenger compartment. 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.

Any automotive air conditioning system employs four basic parts. Automotive air conditioning training manual 10. If we haven t heard from you yet chances are pretty good your ac is doing an ok job. All car air conditioning systems are sealed systems with a high pressure side and low pressure side.