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The evaporator
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∙ 10y ago
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What is a direct expansion evaporator?
Refrigerant enters a direct expansion evaporator as a saturated liquid vapor mix and leaves as a superheated vapor.
If an air conditioner evaporator coils is setup so the refrigerant is vaporized at forty five degrees Fahrenheit What is the pressure in the evaporator coil?
If a train leaves Chicago how long does it take to go to NYC? Cannot be answered, the question is incomplete.
Dry expansion evaporator?
In dray expansion evaporator, the liquid refrigerant is generally fed by an expansion valve. the expansion valve controls the rate of flow of refrigerant to the evaporator. In the evaporator the liquid refrigerant is vaporized and superheated by the time it reaches to the end of evaporator. At inlet of the evaporator, the refrigerant is predominantly in the liquid form with a small amount of vapor formed as a result of flashing at the expansion valve. the liquid refrigerant passes through the evaporator, more and more refrigerant is vaporized by the load. according to the load, the liquid will come into evaporator and vaporize and reaches to superheat at the end of the evaporator. The inside of the evaporator is far from dry but wetted with liquid so named as dry expansion evaporator.
What trouble may be indicated by a warm evaporator line?
I'm just a student of HVACR and I think a lack of refrigerant will be indicated by a warm an evaporator or the outlet end of the evaporator.
Is refrigerant superheated when leaving the evaporator?
Refrigerant is superheated when leaving the evaporator so that the compressor is not getting liquid along with the gas, becauseÊliquid can cause damage the compressor.
Where is the coldest point in a ac circuit?
the point where refrigerant evaporates in the evaporator. Generally the center of the evaporator.
What does the refrigerant do in the evaporator?
An evaporator in a refrigeration system works by passing warm air over it's coils.
What is the difference between the dry or direct expansion type of evaporator to the Flooded type evaporator?
Evaporator is said to be flooded type if liquid refrigerant covers the entire heat transfer surface. This type of evaporator uses a float type of expansion valve. An evaporator is called dry type when a portion of the evaporator is used for superheating the refrigerant vapour after its evaporation.
What is the purpouse of the evaporator coil in an air conditioning unit?
to evaporate the refrigerant
What device causes the refrigerant to undergo transition from a liquid to gas?
evaporator
If the evaporator outlet temperature on a r-410a system is 50p and the evaporator superheat is 10p, what is the evaporating pressure of the refrigerant in this system?
8.2
What causes low evaporator refrigerant temperature on air conditioner?
gas leakage
