ETC799 Auto AC Part Compressor For LandRover Discovery For RangeRover2.4 WXLR032

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Air Conditioning Compressor

The air conditioning compressor is generally driven by the engine via a V-ribbed belt. It compresses or circulates the refrigerant in the system. There are different types of air conditioning compressors.

It is crucial to match the size of the compressor with the size of the system.

To ensure proper lubrication, the compressor is filled with a specific oil, which also circulates through the air conditioning system along with the refrigerant.

Instructions For The Tnstallation Of AC Compressors

Before installing the new AC compressor, it is important to flush the refrigerant

circuit to remove any contaminants and foreign bodies. Depending on the level of contamination,

it is recommended to use refrigerants R134a or R1234yf, or a special flushing solution.

However, it is not possible to flush air conditioning compressors, filter-driers (accumulators),

and expansion or throttle valves. Since system contamination is always assumed or

cannot be ruled out when the compressor is defective, the system must be flushed when replacing these components.

It is crucial to ensure that there are no residues of the flushing solution remaining in the system.

If necessary, the refrigerant circuit should be dried using nitrogen.

The role of compressor

The compressor is an essential component of the air conditioning system in a vehicle. Its primary function is to circulate and compress the refrigerant gas, which is responsible for cooling and dehumidifying the air in the cabin. The process starts with the compressor drawing in low-pressure refrigerant gas from the evaporator and then compressing it into a high-pressure, high-temperature gas. This compressed gas is then sent to the condenser, where it releases heat and transforms into a high-pressure liquid. After leaving the condenser, the pressurized liquid refrigerant flows through the receiver drier or accumulator, which removes any moisture or debris from the refrigerant. From there, the refrigerant passes through the expansion valve or orifice tube, which regulates the flow of the refrigerant into the evaporator. Inside the evaporator, the high-pressure liquid refrigerant rapidly expands and evaporates, absorbing heat from the air passing over the evaporator's fins. This cools the air and reduces its humidity. The cooled air is then blown into the cabin through the vents, providing a comfortable and refreshing environment for passengers. Overall, the compressor plays a crucial role in the refrigeration cycle of the air conditioning system, ensuring that the refrigerant is properly circulated, pressurized, and transformed to achieve effective cooling inside the vehicle.