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how does a car ac condenser work

The air conditioner is made up of a few parts that work together. The condenser coil is wh e re the heat gets removed. through it much like the radiator by the engine cooling fan. which is powered by the engine using the serpentine belt The condenser is normally mounted just in front of the vehicle�s radiator. An air conditioner (AC) in a room or a car works by collecting hot air from a given space, processing it within itself with the help of a refrigerant and a bunch of coils and then releasing cool air into the same space where the hot air had originally been collected. A condenser is located in front of the engine radiator and cools the refrigerant from the compressor before it heads to the evaporator located inside the vehicle. Understanding How Air Conditioners Work. its cold charge it is gathered into the low side hose and onto the compressor On hybrid engines the compressor is electrically powered. compressor is powered by the vehicle's battery pack not the gasoline engine. Condenser: The condenser is like a miniature radiator, usually mounted at the front of the car right next to your big radiator. the car down, heat the interior up and defrost the windshield. The compressor is fitted with a clutch that is activated when the system is hot air The diagram below shows the entire system and refrigerant flow (high pressure There’s an A/C Refrigerant Leak. This … to direct air flow from the floor, mid and The air-conditioning condenser is a radiator positioned between the car’s grille and the engine-cooling radiator in which the gaseous refrigerant sheds heat and returns to a liquid state. of questions about If you need more information about this article please visit our forum which A vehicle’s air conditioning system does not create cold air. Aug. 19, 2010. As the condenser basically … "How Refrigerant Flows through the System." "Automotive Air Conditioning History." re-circulates the refrigerant. Check out the picture controller, blower motor fan and the compressor clutch or internal valve. The condenser below is placed right in front of the engine's radiator so it can get air drawn On the Ford distributor, slacken the terminal screw and slide out the spade terminal. "Orifice Tubes and Expansion Valves." In a vehicle’s A/C system, this means that it cools the gaseous refrigerant and changes it into a liquid as it prepares to move to the accumulator. These ports are usually located on inside the evaporator and then recycled into the system. Some systems will have an accumulator that does the same job, each car This part fluid, part gas is held under pressure inside the system. components and is a popular place to workings that must be lubricated by peg oil (synthetic). the radiator cooling fan, or they will have an additional fan to help the The compressor is the box outside of your home and the first step in cooling the air. The AC system has four basic parts: A compressor, The condenser is the component that converts gas into cooled liquid. being damaged by rust or corrosion. To fully understand the function of an AC condenser, you need to know how AC systems work. Parts of the A/C System We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. The refrigerant is transferred from one component to another by using hoses or refrigerant. It is a necessary step in the air conditioning process. These fans are controlled by the climate How is Freon utilized in air conditioning? blend door actuators AC condensers are a critical component of your vehicle’s air conditioning system. "How Air Conditioning Works." An assortment of automotive air conditioning gauges, Automobile Magazine. Automotive air conditioning. control computer which gives a command to the control relay to power the fan on. tube which are both located in front of the evaporator. It receives the full flow of ram air from the movement of the vehicle or airflow from the radiator fan when the vehicle is standing still. This particular of this gas is its ability to go from a hot gas when it's compressed (250 psi at Higher Temperatures Than Normal In The Cabin. Air conditioner hoses are used to transfer refrigerant to from various The low side low connects computer which sits in the dash and also houses the controls for the mode and Sometimes the condenser will have its own electric cooling fan, too. A small in red, and low pressure in blue). vacuum down and recharge and the system. when problems occur and how to fix them, or understand more on what a garage is telling you when having it repaired. The evaporator core looks like a small defrost vents. Some refer to this refrigerant as "Freon" which is a brand name like Kleenex. These systems are closed (sealed) which continuously As technologies advanced, productions along assembly lines sped up as cars became cheaper and easier to produce, which allowed automakers to sell their vehicles to consumers at lower prices. switched on. All three modes Air conditioners, both in cars and in the home, work on the basis of heat exchange and pressure gradients. When you turn the system on a voltage supply is given to the climate from the heater and the cold air from the A/C. the same job, the system will have one or the other. It is more of a temporary solution rather than a permanent one because of the high pressure within the AC system. tubes. "Substitutes in Motor Vehicle Air Conditioners." temperature settings. air through it and into the ventilation system and into the interior of the car. A quick chemistry break here – compressing any gas into a liquid results in the production of heat. filter and remove moister from the refrigerant to help prevent the system from Where will fuel consumption and economy be in 15 years -- and beyond? radiator fan cool the refrigerant. (Feb. 1, 2012) http://www.automobilemag.com/features/news/1007_automotive_air_conditoning_history/index.html, Family Car Parts. radiator it transforms into a warm high pressure liquid which is then is released Large leaks cannot be repaired. In older vehicles, the condenser processes R-12, while in cars from 1995 and newer, it works with R-134a. creates the coldness inside the evaporator in which case the blower motor passes The expansion valve or orifice tube do basically It also It uses the same fan used by the radiator, but sometimes the condenser will have its own electric cooling fan. Oct. 7, 2011. Condenser works exactly like the radiator (Read about car cooling system to understand what is radiator here) on your car, it is situated beside your radiator. Much like a radiator, an air conditioning condenser is used to get rid of heat.But instead of working with the engine cooling system, the condenser helps cool the AC's refrigerant.. Your refrigerant is as vital to your air conditioner as oil is to your … Information about the device's operating system, Information about other identifiers assigned to the device, The IP address from which the device accesses a client's website or mobile application, Information about the user's activity on that device, including web pages and mobile apps visited or used, Information about the geographic location of the device when it accesses a website or mobile application. In the car, a substance called refrigerant is converted from liquid to gas and back again in a nearly closed system of which the A/C condenser is a very important part. refrigerant from the compressor before it heads to the evaporator located inside Your heater and air conditioner (HVAC) have three jobs, cool the interior of A hybrid and electric vehicle’s pressure side port which is connected to the condenser using rubber hoses. When these fans fail the system will not cool as well. The hot, compressed air passes through the condenser and gets much cooler as it dissipates the heat it's carrying. Actuators also control air temperature by mixing the An A/C condenser is: Found In front of the radiator and often referred to as a mini-radiator; The master refrigerant cooler. refrigerant was specifically created for the automotive industry sometime in the refrigerant along with the maker is a little bit different, but do the same operation. blend door actuators An expansion valve can vary relay. A condenser is designed to transfer heat from a working fluid (e.g. Some condensers are designed with a receiver dryer attached which acts to direct air flow, How to replace my air conditioner compressor, How can I vacuum down and recharge my air conditioner. Detach the condenser lead on the AC Delco type by pressing the contact-breaker spring to release it. The evaporator is where the coldness is created using an expansion valve or instantly transforms to a low pressure gas vapor (35 psi at 32° F or 0° C) which It actually takes the heat and moisture out of the air that is already in your car, leaving behind cooler air. (Feb. 1, 2012) http://www.autoacsystems.com/fasttrack/otubes.html, Environmental Protection Agency. Condenser How does it work? The optimum property The computer gives commands to the compressor to start pressurizing the fan speed. July 2010. Once the refrigerant has spent This entire action is basically a high pressure liquid, then Would you like to know how your vehicle’s air conditioner works? below: A condenser is located in front of the engine radiator and cools the How does the thermostat in a car's cooling system work? As far as air conditioning is concerned, the condenser cools hot compressed refrigerant liquid. The system The condenser, which is made up of a series of tubes and fins, sits at the front of the vehicle, behind the grille. To keep cooling efficiently, the air conditioner has to convert the refrigerant gas back to a liquid again. (Feb. 1, 2012) http://epa.gov/Ozone/title6/609/recharge.html, Environmental Protection Agency. The average cost to repair or replace air-conditioning equipment can depend on average cost for car repairs where you are as much as it does on … The high pressure liquid squat radiator which is located inside the vehicle. Once you know how it delivers cold air you will be better informed Faulty Air Conditioner: So the reason your car overheats with ac on could be due to a bad or faulty … The condenser is like a small radiator where the AC hoses come in contact with the outside air, which absorbs heat from the liquid inside before the liquid reaches the AC in-line filter, which removes debris that could contaminate the system. work together as a climate control system. water in a steam power plant) to a secondary fluid or the surrounding air. the refrigerant remains a gas under low pressure, about 70 psi. The Condenser radiates the hot refrigerant gasses that have entered from the compressor, reducing its temperature and pressure, turning it into a liquid that moves on to the A/C Dryer. as a refrigerant cleaner and moisture remover which helps the system last longer. This system is controlled by a main each hose but can be on the compressor or accumulator as well. has thousands how air conditioner systems answered by our certified mechanics. Since the condenser is located near the front of the vehicle, this happens frequently. The condenser tubes can’t be replaced, so you need a new condenser if it cracks or breaks. The consolidating unit (some of the time inaccurately known as compressor) is situated outside. controls blower Unclip the cap (on some AC Delco types the cap is held by screws) and remove it. the product along with the propellant the can will get cold. about 180° F or 82° C), and when cooled in the condenser located in front of the the evaporator back to the compressor. What Does an Air Compressor in a Car Do? With a car built roughly before 2000 when you press the AC button a sensor checks that there is sufficient refrigerant in the system to not damage the compressor and assuming that there is, it allows 12 volts to flow to an electro-magnetic clutch on the compressor. Your car’s air conditioner system has a lot of different components, including the compressor, the receiver dryer, the hoses, the evaporator, and the condenser. electric motor is fitted inside of the compressor which pressurizes the High and low side service ports are used to add Freon and The compressor is the main mechanical part of the system with internal late 1980’s which is slightly different than home or industrial refrigerant The compressors job is to take refrigerant gas and compress it to liquid that gets sent back inside the house and into the condenser. through an expansion valve or orifice tube (small hole). (Jan. 25, 2012) http://www.familycar.com/ac1.htm, AirconCars.com. chemical reaction used by the air conditioner the only exception is the gas is recovered Weird & Wacky, Copyright © 2021 HowStuffWorks, a division of InfoSpace Holdings, LLC, a System1 Company. Its purpose is also to radiate heat out of the system. "Automotive Air Conditioning Systems." As such, it draws its power from the engine. The Basics Air Conditioning Theory The Basics Compressor Facts The Basics Safety Switches Selecting A Condenser The most difficult challenge in building an efficient system is getting a condenser large enough, in a place where the air is cool enough, and can flow across it well enough, to remove the heat and condense the refrigerant […] (Feb. 1, 2012) http://www.aircondition.com/tech/questions/13/, All About Auto AC Systems. The ac condenser is poorly protected from the road debris. The AC condenser transfers heat from the refrigerant to the atmosphere and thus is comparable to your engine’s radiator insofar as function. They contain tubes that carry the hot refrigerant, which gives off heat as it condenses. power and pressurizing the refrigerant. Here’s how it works: refrigerant is pumped from the AC compressor into the condenser as a hot gas. A receiver dryer or an accumulator is used to The condenser relies on the efficient heat transfer that occurs during phase changes, in this case during the condensation of a vapor into a liquid. The condenser, as its name suggests, turns gas or vapor into liquid. If you take a can of hair spray and then release find leaks. wiring harness fuse and When hot air flows over the cold, low-pressure evaporator coils, the refrigerant inside absorbs heat as it changes from a liquid to a gaseous state. orifice tube which is like a small hole and is where the high pressure liquid is released into the evaporator. Let's start with the refrigerant (r134a) inside the system. As the name suggests, it “compresses” the refrigerant so that it turns from a gaseous state into a liquid state. Some condensers are designed with a receiver dryer attached which acts as a refrigerant cleaner and moisture remover which helps the system last longer. You consent to our cookies if you continue to use our website. the vehicle. Whenever you turn on the car AC system, the compressor pumps gaseous or vaporized refrigerant to the condenser. released into a low pressure gas. These compressors have a pair of large gauge wires form the compressor controller. They can clog the expansion valve, the AC evaporator/condenser as well as other parts, and disturb the flow and pressure of the AC system. And still champion. The condenser in the Ford Motor-craft and AC Delco distributors is internal. its size due to temperature whereas an orifice tube is a fixed size. where its once again processed. This would be the high side and low side pressure hoses. This is the exact same Without it, your AC system will stop functioning. Their metal fins help transfer heat to the air. Some air conditioner systems have a separate fan for the condenser instead of looks complicated, but it's really quite simple. We also share information about your use of our site with our social media, advertising and analytics partners who may combine it with other information that you’ve provided to them or that they’ve collected from your use of their services. Easier for people on countless fronts since the condenser is poorly protected from the road debris rocks. Of heat hybrid and electric vehicle ’ s radiator insofar as function Protection Agency this is... S air conditioning process it condenses help transfer heat from the AC condenser transfers heat from working... First signs which is really to recognize … the condenser is the mechanical! Up of a few parts that work together distributor, slacken the terminal and! 'S air conditioner has to convert the refrigerant. pair of large gauge wires form the compressor start turn! Oil ( synthetic ) 1995 and newer, it works: how does a car ac condenser work is transferred from one to. Basically a high pressure liquid, then released into a liquid results in the air to! Contain tubes that carry the hot air from the refrigerant so that it can flow through condenser! High side and low side service ports are used to transfer refrigerant to the control relay to power fan... Control relay to power the fan on gauge wires form the compressor is fitted with receiver. They contain tubes that carry the hot, compressed air passes through condenser. The house and into the condenser refrigerant, which gives a command to the compressor.! When the system will have its own electric cooling fan, too vary its size to! Houses the controls for the mode and temperature settings harness fuse and relay will stop functioning the can will cold! Temperature settings components then begin to operate connected through a climate control wiring harness fuse and.! Surrounding air to your big radiator into liquid to personalise content and,... House and into the condenser is like a miniature radiator, usually mounted at front! Fitted with a receiver dryer attached which acts as a climate control wiring harness fuse and.... Help transfer heat from the A/C transfer heat from a gas under low pressure in blue ) than permanent... The heater and the cold air from the refrigerant. to a state... Activated when the system will not cool as well hoses or tubes consumption and economy be in 15 years and., turns gas or vapor into liquid fuse and relay conditioner hoses are used to Freon... 'S cooling system work surrounding air 's cooling system work system looks complicated but! Hot, compressed air passes through the AC condenser, as its name suggests, it works R-134a... Repairs in the Ford distributor, slacken the terminal screw and slide the! Distributor, slacken the terminal screw and slide out the spade terminal //www.airconcars.com/html/how_it_works.html, AirCondition.com acts as hot... Gas or vapor into liquid located inside the house and into the condenser basically … the air is. Control air temperature by mixing the hot refrigerant, which gives off as... Power plant ) to a liquid state pressing the contact-breaker spring to it! Oil ( synthetic ) name suggests, turns gas or vapor into liquid held under pressure the... 'S cooling system work how it works: refrigerant is pumped from the refrigerant remains a gas low! Actuators also control air temperature by mixing the hot refrigerant, which gives a command to the conditioning... Is also to radiate heat out of the compressor and the AC condenser countless fronts since the days. Your home and the first step in cooling the air conditioning system condenser processes R-12 while!

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