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What is the calculation to find evaporator superheat for a system with 76 per square inch gage for R22 when the evaporator outlet temperature is 58 degrees Fahrenheit?
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∙ 10y ago
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∙ 10y ago
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What is the evaporator superheat for the evaporating pressure 76 psig for R-22 and the outlet temp of 58 F?
it should be 17
If the total evaporating pressure was 76 psig for r-22 and the compressor inlet temperature was 65 F what would be the total superheat entering the compressor?
I'm not an HVAC expert or anything I'm just starting to get into it but if my math is correct I believe that your total superheat would be 20 degrees. Double check though
How are melting and freezing points different?
the freezing point is 0 degrees celsius and the melting point is is above 0 degrees celsius
What is the flash in lightning?
Lightning is a high current discharge where electrons are passed through the air to neutralize a charge imbalance between Earth's surface and clouds above. The electrons superheat and ionize the air, which makes more electrons available to carry current. The flash occurs when those electrons start dropping back into their ground state orbitals, as the ionized plasma disspiates energy as light, and cools to a gas. when particles in clouds rub together it generates electricity.this is atracted to the ground and leaps between the two. the answer is lightning.
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 does a high superheat indicate in an evaporator in an AC system?
a starved evaporator.
What is a starved evaporator coil?
superheat is above standard conditions
What is the purpose of the external equalizer on a TXV?
The purpose of the External equalizer on the TXV is to compensate for the pressure drop in the evaporator coil , This is done since the superheat calculation is based on the difference in the Saturation temperature corresponding to the Suction pressure (Measured after the coil) and the actual suction line temperature. Now, in a TXV measurement of actual line temperature is accomplished by using the Sensing Bulb and the Measurement of the Suction pressure by the External Equalizer of the TXV. The opening/Closing of the Expansion valve is controlled by the setting of the superheat which is governed by the setting of the Spring.
A refrigerant system's evaporator typically run about how much degree of superheat?
About 10 degrees
A refrigerant systems evaporator typically runs about how many degrees of superheat?
10 degrees
Why is it necessary to insulate the bulb on the thermometer went taking the superheat of an evaporator?
So you can get a correct reading
Can an undercharge cause superheat?
Undercharge can cause HIGH superheat. Overcharge can cause LOW superheat. You need some superheat when charged correctly. How much is needed is depending on outdoor air temperature and indoor wet-bulb temperature.
What is the relationship between evaporator air flow and suction superheat?
air flow and liquid change of state
What is suction and discharge superheat?
Suction superheat is the heat added to the refrigerant above that required to change its state from liquid to vapour (as happens in the evaporator). This heat is added both in the evaporator, in the suction line and (where applicable) in the suction accumulator.Discharge superheat is suction superheat plus heat of compression, and must be removed in the condenser before condensation, the change of state from vapour to liquid, can occur.The HVAC Veteran
What is superheat for chiller?
to reach the required temperature from lower processed temperature.
What is the evaporator superheat for the evaporating pressure 76 psig for R-22 and the outlet temp of 58 F?
it should be 17
