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Remember that suction refers to the low side, and is showing you what is happening with in the evaporator coil. Higher than normal pressures indicate the refrigerant is not transferring its heat into the air passing through evaporator coil.

You need to assess the air flow, are the filter or coil dirty, or is the ducting blocked, fan speed set up correctly. Try cleaning coils and a light weight filter, then recheck pressures.

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Q: What will cause suction pressure to rise?
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Related questions

What will cause the suction pressure to rise?

head pressure


What does the head pressure do if the suction pressure rise?

the head pressure will rise


What does the head pressure do if the suction pressure rises?

the head pressure will rise


What are the causes of high suction pressure?

Suction is caused by an are of negative pressure.


Can a pinched nerve cause blood pressure to rise?

Yes. Pain can cause a rise in the blood pressure.


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.


Is it true that liquids rise in a straw because of suction?

yes <><><><><> Actually, the pressure outside the straw presses the fluid up into the straw.


Can Hepar Sulphuris cause a rise in blood pressure?

No


When an evaporater experiences a heat-load increase the suction pressure does what?

The suction pressure increase.


Should you take NyQuil when your on blood pressure mediation?

NO. It can cause you blood pressure to rise.


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.


What is the fan speed relationship to suction pressure?

for a given air conditioner: the faster the condenser (outdoor) fan the lower the suction pressure. the faster the evaporator (indoor) fan the higher the suction pressure.