The air loses energy, therefore the temperature drops, creating cold air. The energy does not go away but converts from one form to another. When this process takes place the refrigerant needs a lot of energy, so it takes energy from the air around the evaporator. At refrigeration platforms, when the liquid medium is at a high temperature, the pressure becomes a vapor liquid with a low temperature and pressure. Meanwhile the moisture in the air will also condense and expose. Here, the air from the evaporator takes away a lot of energy through the radiator leaves, therefore the temperature of the air will be reduced very quickly. The air taken from outside comes through the evaporator. It means cooling the air mass in the cabin. Source: Drive2ĭuring evaporation, the refrigerant absorbs heat in the car cabin. AC system works by 2 principles, evaporating liquids absorb heat, while condensation from vapor to liquid transmits heat to objects and their surroundings. Due to the drop of pressure, the liquid becomes a vapor in the evaporator. It lowers the pressure of the refrigerant. The expansion valve regulates the flow of liquid into the evaporator (evaporator). The liquid refrigerant continues to circulate to the filter or desiccator, where the refrigerant is purified by absorbing all moisture and impurities. At the condenser the temperature of the medium is very high, the fan blows the condenser, the vapor liquid is cooled, condensed into a liquid under high pressure and low temperature. During this stage the refrigerant is pumped to the condenser or the hot rig in steam. The refrigerant is pumped from the compressor under high pressure and under high evaporation temperature. Air Conditioning System Operating Principleīasically, the AC system works by 2 principles: evaporating liquids absorb heat, while condensation from vapor to liquid transmits heat to objects and their surroundings. To know how an AC compressor works, we must understand how the AC system operates. To know how to tell if AC compressor is bad we have to understand how the AC compressor works. Inside the compressor is a complex series of passageways, valves, bearings, and other components. Refrigerant is ‘sucked’ into the compressor, compressed, and ‘discharged’ through the outlet, headed for the condenser. The suction port is always the larger diameter hole. The AC compressor consists of 2 ports, an inlet and outlet, or ‘suction’ and ‘discharge’ respectively. Liquids are relatively incompressible while some can be compressed, the main action of a pump is to pressurize and transport liquids. As gases are compressible, the compressor also reduces the volume of a gas. ![]() The AC compressor is called a pump because both increase the pressure on a fluid and both can transport the fluid through a pipe. In simple terms, an AC compressor is a pump which creates the heat by putting the air conditioning refrigerant under extremely high pressure. In the words of many repairmen, an AC compressor is the heart of an AC system. ![]() Source: Cargurus What is an AC compressor?ĪC compressor is an important part in the car’s air conditioning system. Every air conditioning system of a vehicle depends on a steady flow of refrigerant to circulate through it. Let’s find out the symptoms of bad AC compressor how it affects the AC system. This refrigerant is what allows the air conditioner to produce the cool air which comes out of the vents in the dashboard. Unfortunately, your AC may fail to make cool air and high possibility is the AC compressor. It’s getting hot now, during the summer season but your car AC does not work properly even when you see the airflow from the AC.
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