Automotive air conditioning diagram

We have some excellent threads on the forum about airconditioning, notably car AC systems, obviously! All detailled in my thread of fiddling with my cars. At the end of this post I will provide links to each repair job.

The cycling clutch orifice tube CCOT refrigerant system cycles a compressor 1 on and off in order to maintain the desired cooling. This cycling also prevents evaporator freeze-up. The temperature selector on the control assembly maintains comfort in the passenger compartment comfort. A switch that senses low side pressure as an indicator of the evaporator pressure controls the refrigeration cycle, or the on and off operation of the compressor. The cycling pressure switch is the freeze protection device in the system.

Automotive air conditioning diagram

Please enter the name by which you would like to log-in and be known on this site. Please enter a password for your user account. Note that passwords are case-sensitive. Remember Me? Page 1 of 2 1 2 Last Jump to page: Results 1 to 20 of Thread Tools Show Printable Version. Join Date May Location Ft. Is this also the "suction" line? The blue line is liquid? What is the purpose of the drier? Thanks, if anyone cares to respond. No one is useless in this world who lightens the burdens of another. From the compressor to the condensor is hot gas, then from condensor through the drier, expansion valve to evaporator is the liquid line and back to the compressir is the suction line. Counterclockwise from the compressor Sent from my iPhone using Tapatalk.

In the diagram below, the yellow line is the gas line--right? Thread Tools Show Printable Version. On a clutch only system the compressor clutch is activated based on the low pressure part of the system.

Refrigeration cycle used: Vapour compression cycle. The system used for automobile air conditioning works on the same principles that other air conditioning being used. The major problem associated with automobile air conditioning is running speed of compressor. While installing AC in the automobile, the compressor is mounted above the engine and it is driven by belt drive powered from front end of the engine. The condenser is mounted ahead of car radiator. The cooling coil and the blower are usually located under dashboard.

In the United States, the car air conditioner is a necessity for every car during the hot summer months. Many passengers do not know how their air conditioner works and take it for granted. This article will explain the basic principles of how automotive air conditioning works. By understanding how the ac works, you can appreciate the engineering that goes into making this life-saving device. Air conditioners made life easier and more comfortable for car occupants. In this powerful guide, you will learn comprehensively how car air conditioning units work, and the scientific principles which cool the refrigerant, and condensation, explained in easy words. The condensed refrigerant, when changes its state to vapor refrigerant, produce cooling by taking the heat from the surrounding.

Automotive air conditioning diagram

For this reason, it is very important to keep the passenger cabin cool. A car cooling setup means a lot on hot days. So, this article is for you, both for AC technicians and for non-techie guys. This article provides a comprehensive overview of the seven basic car air conditioning system parts in a clear and practical manner. The main purpose of the auto air conditioning system is to make the internal temperature of the air lowered and comfortable for occupants. The automotive air conditioning system cleans, dehumidifies, and circulates the interior air of the car cabin. The cooling system consists of different car cooling setup parts located under the hood and inside the cabin. In working air conditioning all vehicle ac parts work together to bring comfort to the car occupant. All component in an automobile ac system is also almost interlinked together with each other to cool the inside air of the vehicle. The air conditioning system consists of some major components that are mentioned below.

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No one is useless in this world who lightens the burdens of another. Everyone walked away. MVAC is it's own animal, because of controls and the mixing box that combines air from the evap and the heater core. Hot and wet…. The cooled air is then sent through vents in your car cabin. The system moves towards equalization and the pressure reaches approximately kPa 46 psi. Page 1 of 2 1 2 Last Jump to page: Results 1 to 20 of Here you see the old and the new compressor. So buckle up and lets rip this compressor apart!! As the gas moves into the evaporator, it absorbs heat from the cabin and cools the air, which is then blown into the cabin by the blower motor. The pressure has dropped significantly below atmospheric pressure and hence the name Low Pressure LP Line. So if the compressor is already filled, you need to add less. About Us Advertise Contact Us. Have you ever wondered how car air conditioning works?

The system looks complicated, but it's really quite simple. Once you know how it delivers cold air you will be better informed when problems occur and how to fix them, or understand more on what a garage is telling you when having it repaired. Your heater and air conditioner HVAC have three jobs, cool the interior of the car down, heat the interior up and defrost the windshield.

MVAC is it's own animal, because of controls and the mixing box that combines air from the evap and the heater core. The system moves towards equalization and the pressure reaches approximately kPa 46 psi. Help us customize your experience. Only a few mm. On a really hot day, that fan was being used to cool the shop, so it wasn't always available. The refrigerant in gas form then enters the compressor, where it is pressurized and the whole process starts all over again. It rarely requires taking the compressor out of the car and thus no need to extract the refrigerant charge first. Same sequence as above, but now I have taken the electro magnet off as well. Would love to hear from somebody in the know. This expansion reduces the pressure on the refrigerant, so it can move into the evaporator. Contact Us Speak Share Advertise. In theory you should be able to replace all of those. The pressure has dropped significantly below atmospheric pressure and hence the name Low Pressure LP Line. When disengaged the pulley freewheel freely?