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Published byTech Plus Automotive Modified over 6 years ago
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The AC systems were incorporated into the vehicles to allow the passengers to commute and embark on vacations in greater comfort.
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We all just turn on the AC switch and enjoy the cold air inside the car, which gives relief from the hot and humid climates.
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The air condition system of the car is not just the switch and the air vents, a number of other components work simultaneously to provide the cool and refreshing air.
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The majority of the AC systems comprise of the following parts: 1 2 3 4 5 6 7 Compressor Condenser Dryer Accumulator Expansion valves Evaporator Clutches
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1. Compressor
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The air compressor is the heart of an AC system, which pressurizes the refrigerant, senses the temperature in your car and makes desired changes.
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Without the compressors, the fans can do nothing more than suck the outside air and its atmospheric temperatures into your vehicle.
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The air compressor itself is powered by the serpentine belt and if the belt snaps, then neither the AC system nor the car will function.
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2. Condenser
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The condenser is the component responsible for converting hot air into a cold fluid, required to get the cool breeze.
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Mostly, the condenser is situated in front of the radiator for radiating the humid air that’s drawn into the air compressor.
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Then, the condenser depressurizes, cools and liquefies that air and finally sends it to the dryer.
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3. Dryer
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In cars with thermal expansion valves, as atmospheric air enters the A/C system, the receiver traps all the water, moisture, and other impurities, which filters them.
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In the absence of the dryer, the impurities would penetrate and damage the air compressor and even release acidic contaminants into the system.
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The dryer safeguards the air compressor from dirt, moisture, and other outside elements and needs to be replaced whenever it is clogged and malfunctions.
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4. Accumulator
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On vehicles equipped with orifice tubes instead of thermal expansion valves, an accumulator does the work of a dryer.
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Like a dryer, the accumulator also filters dirt and eliminates moisture from the incoming air before it passes through the A/C system.
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The accumulator also restricts the level of refrigerant that gets into the evaporator and safeguards the air compressor from getting damaged.
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5. Expansion valves
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In the AC system, the condenser and evaporator are divided either by the expansion valve or an orifice tube.
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The valve gauges the output heat and pressure levels of the condenser and accordingly regulates the refrigerant that enters the evaporator.
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The AC stops delivering sufficient amounts of cool air when the valve or tube is clogged with debris and other impurities.
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6. Evaporator
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The evaporator is the component that cools the air at any temperature and renders it moisture free.
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The cooling occurs as the air passes through refrigerant in the evaporator, which simultaneously draws atmospheric heat from within the car.
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The failure of the air condition system to deliver sufficient coolness could be the result of a faulty evaporator.
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6. Clutches
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When we press the AC button, then the air compressor is activated by an electromagnetic clutch.
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This results in the pressurization of refrigerant for the condenser before it’s finally dispatched to the evaporator.
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Temperatures within the evaporator are recorded and regulated by the cycling clutch switch, which protects the core of the evaporator from freezing entirely.
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