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Q: What refrigerant is low pressure?
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Does refrigerant enter the compressor as a low temperature low pressure gas?

Yes. The basic components of the refrigeration system are the refrigerant, compressor, condenser and receiver, expansion device and the evaporator. One cycle: Refrigerant travels to Compressor (A) to Condenser (B) to Expansion device (C) to evaporator (D). The refrigerant gas at low pressure and temperature is drawn into the compressor. The gas is compressed to a higher pressure, which causes an increase in the temperature. The refrigerant gas at a high pressure and temperature passes to the condenser (point B), where it is cooled (the refrigerant gives up its latent heat) and then condenses to a liquid. The high pressure, low temperature liquid is collected in the receiver. The high pressure liquid is routed through an expansion valve (point C), where it undergoes an abrupt reduction in pressure. That pressure reduction causes part of the liquid to immediately vaporize or flash. The vapor and remaining liquid are cooled to the saturation temperature (boiling point) of the liquid at the reduced pressure. At this point most of the refrigerant is a liquid. The boiling point of the liquid is low, due to the low pressure. When the liquid refrigerant enters the evaporator (point D), it absorbs heat from the process and boils. The refrigerant gas is now at low pressure and temperature, and enters the suction side of the compressor, completing the cycle.


Is refrigerant leaving a compressor in a cars air conditioning system high pressure vapor high pressure liquid or low pressure vapor?

high pressure vapor


Why you prefer to connect tubes to low pressure connection at car air conditioning system compare to high pressure connection in air cond?

It is called high pressure for a good reason. The high pressure side can and will pump the refrigerant back into the can of refrigerant and explode in your hands. One more reason to let the professionals work on the air conditioning in your vehicle.


When removing oil from a low pressure system the temperature should be 130 degrees f because?

Less refrigerant will be contained in the oil at the higher temperature


What is the component of a refrigeration system which changes a high pressure vapor to a high pressure liquid?

A brief discussion of the operating vapor-compression cycle is helpful to indicate other potential refrigeration problems in real systems. In the basic cycle, slightly subcooled refrigerant leaves the condenser at high pressure and flows into the liquid receiver if one is present. The refrigerant then enters the throttling device (capillary tube, TXV, etc.) where the pressure is dropped. It then enters the evaporator as a two-phase mixture (liquid and vapor) and evaporates or boils at low temperature, adsorbing heat. Slightly superheated refrigerant vapor exits the evaporator and enters the suction line accumulator, if one is present (used to trap any transient liquid slugs). The refrigerant vapor then enters the compressor where the pressure and temperature are increased as the compressor compresses the refrigerant vapor. The vapor leaving the compressor is superheated, and the compressor discharge is the hottest point in the cycle. This refrigerant is cooled and condensed in the condenser where heat is rejected, and the refrigerant is condensed to liquid. Refrigerant actually leaves the condenser slightly subcooled (subcooled liquid) to assure condensation has been complete. Any non-condensable vapors in the system will be unable to condense in the condenser and will appear as gas bubbles in the condensed liquid stream. These non-condensables may collect in the condenser and displace refrigerant from the condenser heat exchanger, thereby reducing the effective surface area of the condenser.The compressor changes the low pressure vapor to high pressure vapor sending it threw the condenser to cool and turn it back into liquid.

Related questions

How do you change high temperature refrigerant and high pressure refrigerant in to low temperature refrigerant and low pressure refrigerant?

You cool it and run it through a metering devise.


What refrigerant is a low pressure refrigerant under EPA's refrigerant recycling regulations?

R22


What refrigerant is considered a low-pressure refrigerant under EPA's refrigerant recycling regulations?

R22


What is a low pressure refrigerant under EPA's refrigerant recycling regulations?

R22


How is the refrigerant cylinder pressure kept above the system pressure when a system is being charged with vapor from the cylinder?

Add refrigerant vapor on the low side of the system ,the compressor raises the pressure of the refrigerant on the high side of the system and lowers the pressure on the low side


How is the refrigerant cylinder pressure kept above the system pressure when a system is being charged with the vapor from a cylinder?

Add refrigerant vapor on the low side of the system ,the compressor raises the pressure of the refrigerant on the high side of the system and lowers the pressure on the low side


How is the refrigerant cylinder pressure kept above the system pressure when a system is being charged with vapor from a cylinder?

Add refrigerant vapor on the low side of the system ,the compressor raises the pressure of the refrigerant on the high side of the system and lowers the pressure on the low side


Is r-123 a low pressure refrigerant?

Yes


How add AC refrigerant to your 2000 Mitsubishi Montero Sport?

You can had air conditioning refrigerant to your 2000 Mitsubishi Montero through the low pressure port. You can find the low pressure port on top of the air conditioning compressor. You will need to connect your refrigerant bottle to the low pressure port.


What does AC compressor do?

Cycles refrigerant through the system and changes the state of the refrigerant from a low pressure vapor to a high pressure vapor.


Refrigerant enters a compressor as a low pressure vapor?

Yea


What state is refrigerant entering the compressor?

Low pressure vapor