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Tell me how to add more freon to my existing home central cooling system

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  • montegram563 Jul 16, 2009

    I will give my husband the print out of your solution, I hope this helps hime. Thank you for your help. If not I will get another opinon.

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First you need to be EPA certified to buy the refridgerent. You need to know/ID what kind of refrigerant. [ R22 R143a etc. ] On a home system a good set of gauges and connect properly on a 22 unit low side is blue, suction/low pressure line is larger size pipe than high pressure liquid line. High side red smaller diameter. Connect both hoses check pressures if their is no reading the compressor is not running. If compressor is running on a 22 unit the high side red should be 225 to 275 should not go above 350 psi or it will cause damage your unit more or cause a rupture low side should be from 60 psi to 80 psi don't go any higher to much freon is no good and will cause higher temp. Be careful because were talking high pressures you should have a certified tech. do this if you add freon you must have a leak it dose not evaporate their is no winter summer freon its a sealed system and should never need refrigerant

Posted on Jul 15, 2009

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Posted on Jan 02, 2017

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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

Tip

You can add Air Conditioning to Your Hot Air Furnace


Air Conditioning is easier to add to an existing central hot air heating system then you might think. Both systems use air to move the heating or cooling to the different parts of the house. With the addition of a coil and condenser to your system you can stay nice and cool all summer long.

The easiest way to add in cooling to a system is to install a coil on top of the furnace supply air plenum. This can be accomplished by cutting open the supply duct just on top of the furnace and sliding the air conditioning coil right in on the top of the furnace. The only limitation usually is the height of the plenum. If there is not enough height there, then the coil may need to be installed on a horizontal run.

If the horizontal run option is needed then you will have to make sure that all of the air flow goes through the run. If all of the air does not go through that run, then the ones that do not go through will not cool nearly as effectively as the rest of the runs that go through the coil.

After placing the coil in the ductwork, the piping and electric will need to be run to the outdoor condenser unit. After wiring and piping the unit the refrigeration lines will need to be purged, and vacuumed. This will clean the lines and take the air out of them. Any air in the system will cause the system not to work properly.

When all of this work is done you will be ready to have great cooling. The whole process usually takes me less than a day to complete. Adding cooling to an existing system is a simple operation when it is done by someone that has done it many times. If you have a hot air central heating system without the benefit of cooling, then you should check into adding the cooling feature to your system. You will be glad you did when the hot weather rolls back around again.

on Dec 08, 2009 | Heating & Cooling

1 Answer

Cple30-1 will not cool. The fan spins and the freon lines seem to have adequate pressure not sure without proper gauges. Any help would be appreciated.


check compresser if it is low on freon it will kick on and off also when putting freon in the system tilt can upward this putliquid cool in the system be carefull if you add freon not to add to much the it will frost up

May 27, 2014 | Cars & Trucks

3 Answers

How to add freon in a centralized air conditioning unit


The compressor needs to be running.Also you need freon charging guages and a pressure temp chart to tell how much you need to add.
If your not sure of anything i said here have a service person do this.You take a risk of damaging the unit and yourself.

Nov 21, 2011 | Whirlwind FH-778 Air Conditioner

1 Answer

I have central air and I was wondering how do you put freon in it because its not blowing out cool air


Is the compressor starting? On the outdoor unit you will see a large copper pipe and a small copper pipe. Is the larger of the two cold to the touch? wet? Just because a central air system is not blowing cool air does not mean it needs freon. If you have clogged filters it cannot do an air exchange. So, I would recommend checking the easiest things first before adding Freon.Most people make the mistake of adding Freon and overcharge their system. In a low load situation you can slug the compressor with liquid and your system is ruined. If you do have to add Freon it indicates that you have a leak. An AC System is a closed system and if it is working properly you should not have to add Freon.

Aug 03, 2011 | Whirlwind FH-778 Air Conditioner

1 Answer

94 ford econoline f150 is blowing cool air not cold, can you help in tell me what can be the problem


have you checked the systems pressures? if it is cool but not cold then you may need to add some freon to the system.

Jul 27, 2011 | 1994 Ford Econoline

1 Answer

I want to know how to add more freon to an existing home central air condition unit


there are two schrader valves at the condensing unit outside right at the bottom of the unit below the electrical connection box. there is where your guages hook up, low pressure side is the wider of the two copper tubes, high pressure the thinner of the two

Jul 15, 2009 | Heating & Cooling

2 Answers

Central AC unit not cooling


If you have access to your piping system you may use a soap bubbles to test the pipe connection. the leak gas will blow the bubbles if there is leaking. But if your system is out off freon gas, you can not use this method. just try it check the connection first put the bubbles around it.

Jun 04, 2009 | Heating & Cooling

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