Operation of the air conditioning system

Capítulo 18

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A car's air conditioning system is responsible for maintaining a pleasant internal temperature, regardless of external conditions. It is made up of several components that work together to cool the air and distribute it throughout the interior of the vehicle.

Composition of the air conditioning system

The air conditioning system of a car is composed of four main components:

  • Compressor: is the heart of the system, responsible for compressing the refrigerant gas and sending it to the condenser.
  • Condenser: is responsible for dissipating the heat of the refrigerant gas, transforming it into liquid.
  • Evaporator: is responsible for absorbing heat from the outside air and turning the coolant into gas.
  • Expansion valve: it is responsible for controlling the amount of liquid refrigerant that enters the evaporator.

Operation of the air conditioning system

The operation of the air conditioning system begins with the compressor, which compresses the refrigerant gas and sends it to the condenser. In the condenser, the refrigerant gas is cooled, turning into liquid. This liquid is then sent to the expansion valve, which controls the amount of liquid entering the evaporator.

In the evaporator, the liquid refrigerant is turned back into a gas, absorbing heat from the outside air entering the system. The air is then cooled and distributed throughout the interior of the vehicle through the air vents.

To keep the system working properly, regular maintenance is required, such as changing the air filter and checking the coolant level. In addition, it is important to use the air conditioning sparingly, as it consumes more fuel and can overload the vehicle's electrical system.

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_What is the component responsible for controlling the amount of coolant that enters the evaporator of a car's air conditioning system?

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The expansion valve is the component responsible for controlling the amount of liquid refrigerant entering the evaporator in a car’s air conditioning system.

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