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What is the correct suction pressure when charging a freezer with MP-39?
Wiki User
∙ 11y ago
10 psi
Wiki User
∙ 11y ago
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What is the correct suction pressure when charging a freezer using Refrigerant 134a?
Negative 30 psi should do it.
What is the correct suction pressure when charging a true freezer using refrigerant 404a?
frezer not frezing hi side 250 psi low side 45 psi
What is the correct suction pressure whin charging a chiller using refrigerant 134a?
926.5
Charging r22 system?
what is the charging schedule for a 2 1/2 ton unit 70degree ambient temp what is the suction pressure supposed to be
What is the correct suction pressure for house fridge using R134a?
5psi
What should the low pressure be for a 404a refrigerant on a freezer?
18-20psig suction 250-270 psig discharge In freezers pressures are ok .I got it ,but the mention pressure of suction 18-20 discharge 250-270 at what temprature in centegrade it should be.
How do you determine what suction pressure should be in R410a air conditioning compressor suction line?
Read the charging chart specific to the unit. Not all 410A machines will operate at identical pressures in identical conditions.
What should the suction pressure be on a heat pump with outside temp being approximately 34 degrees F?
Look at the charging chart in the unit for the answer.
How do you calculate suction pressure for air theoretically?
Air has a pressure, but not a suction pressure. Air pressure is measured with a barometer, you do not calculate it. Suction pressure is a concept which applies to a pump. Suction pressure = static pressure + surface pressure - vapour pressure - friction pressure.
What are the causes of high suction pressure?
Suction is caused by an are of negative pressure.
When an evaporater experiences a heat-load increase the suction pressure does what?
The suction pressure increase.
Where is suction and discharge s?
Answer: The terms suction and discharge are the terms refer to hydraulics. In hydraulics if the the liquid has to be lifted or pumped to the usage area the hydraulic pump will be used . This pump will have to functions that is first suction to lift the fluid and the discharge or delivery . The familiar words in pair are lift and discharge; suction and discharge. The specification of pump for these terms are suction head and discharge head.AnswerThe suction pressure refers to the pressure of the referigerant being "sucked" back into the compressor. The suction pressure is a critical variable in ensuring the accuracy of the refrigerant charge, along with the tepmerature of that line as well. The "superheat", or heat added to the vapor in that line can be monitored in this manner.You have not mention which suction pressure... Actually Where ever the suction is presented that pressure is called suction pressure.... and suction pressure in practical cases normally always less that atmospheric pressure and in case of delivery pressure it is oppositeSaying that suction pressure is " the pressure of the referigerant being "sucked" back into the compressor " is not accurate.Simply , the suction pressure of a pump is the absolute pressure of a fluid , measured at the inlet of the pump ( in your answer , the pump is the compressor , and the fluid is whatever refrigerant. )The discharge pressure , is the absolute pressure of the liquid measured at the outlet of the pump.Obviously, the discharge pressure is usually bigger than suction pressure.
