Question about Whirlwind FH-778 Air Conditioner

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Problem with central air condition

How much freon belong in a central air condition

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  • Jake Gibson
    Jake Gibson Apr 13, 2016

    Great question about how much freon should go into your air conditioning unit. My wife and I are looking at purchasing our first home sometime this next year. We found a house that has a central air conditioning unit. I'd love to know what the recommended amount of freon that is needed. We'll want to make sure we have a well running HVAC system. http://www.norrismechanical.com/hvac/

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That depends on the size of the unit and lenght odf the line set.. to give you a general answer your suction pressure should be about 70 PSIG and you liquid line (small line) should be between 245-265 depending on the outdoor temp you will need a set of freon gauges to check this these readings are for an R-22 system if you have R-410a the readings will be much higher

Posted on Aug 20, 2008

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2 Answers

What type of refrigerant should be used in a Mitsubishi ms09tw 2001 air conditioner?


The answer is R410A.

Refrigerant Types in a Central Air Conditioner
There are 2 different types of air conditioning refrigerant currently used in residential cooling systems. R-22, commonly referred to a Freon and R410A, a blend considered to be more environmentally friendly, sometimes called Puron.

R410A (sometimes known as Puron), is the industry's choice to replace R-22 in central air conditioning systems. It is less reactive with the environment while having the same home cooling characteristics of R-22. R410A is not interchangeable with R-22-you choose one or the other and your air cooling equipment is designed to operate with it. When you purchase a R-410A system, a new line set is included with your central air installation as well as a new evaporator coil. Our experience with R-410A has been excellent. New cooling systems have been dependable and efficient, as well as operating quieter! R-410A is the refrigerant of the future!

Less reactive with the environment
Replaces R-22 in the year 2020
Cannot be used with R-22 systems
Quiet and dependable
Freon, R22, heat pump refrigerant
R-22 also known as Freon has been used for decades as the refrigerant in central air conditioning systems. However it has been linked to Ozone depletion and has therefore been banned from being manufactured after the year 2010. It's price will increase as the supply decreases.

Good luck,

Marty

May 27, 2014 | Mitsubishi MSH09TW Air Conditioner

3 Answers

My A/C blowing air, but it is not cool. It has started freezing up. We just replaced the air filters and since then it is freezing up. We even gently cleaned the a/c coils before replacing the filters. ...


Hello, sounds like it is either a low charge or lack of airflow, what type of filter are you using? sometimes those filters that claim to be super effecient will actually cut down on your airflow and cause the ac to freeze up.

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1 Answer

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http://www.air-conditioning-and-refrigeration-guide.com/central-air-conditioning-condenser-problem.html

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Hi,
That needs to be done by a professional that has the proper equipment and knows how to do it with out getting hurt...

Here is a tip about trouble shooting your air conditioner...

Air Conditioner Trouble -Review the Possibilities
http://www.fixya.com/support/r3571569-air_conditioner_trouble_review_the_possi

heatman101

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1 Answer

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Low freon causes this problem. It could be the compressor going bad, but 99% of the time it is that the freon is low, have it leak tested and also have freon added

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check the filter also sounds like a low freon charge.

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the large tube. it should be very cold
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if very hot you are leaking and low on freon.

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4 Answers

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I have heard that there is a spray you can use that will not damage your system and seals the leak when it comes in contact with oxygen

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