We've had this unit for several years without a single proble and now, suddenly, it only blows warm air. I figure it needs Freon but have no idea how to do that and can't get any appliance repair person to even take a look at it.
How do i recharge a window unit
Posted on Jun 30, 2010
Shad roof leaked water on my unit The window air condisner will not work there was water in the plug in and I am not sure if the water is in the front section of condition Please help with this problem would changing the plug be the answer I am looking for?
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Posted on Jul 03, 2008
Freon or R13 is no longer allowed to be used in air conditioners because it attacks the ozone layer when it escapes. There are heavy fines for intentional release into the atmosphere. If an engineer was to replace the gas with a legal refrigerant then he would want to collect and flush any remaining gas for safe disposal and change the rubber seals in the pump etc. Apparently the new gas will attack the old type seals. I was going to get the aircon recharged in my Mazda RX7 but it would have cost about £300 because it had the old gas but then we had a rubbish summer so I didn't bother. It all seems like a money making excercise especially considering the huge amounts released before 'Green Fever' swept the world. There is however a 'drop in replacement gas' which is compatible with the old seals and remaining nasty gas. It usually contains a leak stopper and flourescent dye to help find where any leaks remain. Try typing DROP IN REPLACEMENT FOR R12 REFRIGERANT in a search engine or a popular internet auction site. You can then recharge your own aircon for a fraction of the price after a bit of study. Good luck.
Posted on Sep 22, 2007
Ok so the rating for my solution is 'almost there'
I am assuming that all you need is a recharge of Freon like you said.
I'll try a little harder.
You should be able to find two valves on the refrigerant pipework that look like car tyre valves (in fact they are the same size and are called Schraeder valves)
If these are not like car tyre valves but more like a bayonet fitting then you have the current legitimate gas and you can ignore the following.
Remove the dust caps and place a tyre pressure gauge on one of them as you would a car tyre. the gauge might go off scale or read 60 psi or nothing.
You can be sure that if the reading is nothing then you have a really bad leak in the AC. This should make you think about scrapping the AC.
If there is still a bit of pressure there then the leak is minor and a recharge may last a season or a few years. Just as important
no moisture will have ingressed into the pipework.
Now if you make subtle enquiries around small garages in person, you may find there are mechanics and owners that cant wait to get rid of their black market stockpile of R13 and will gladly regass your home AC for beer money.
Eventually you will need to get a new AC or have the conversion.
Hopefully the solution is apparent now?
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The Unit is only a few years old. I haven't checked (not a plumber or an electrician) but I'm fairly sure it's the newer gas style unit, just because of its age. I appreciate all your info but I really just want to get someone to check it out. Samsung's Help Desk is useless. They sent requests to two contractors in their active files: one doesn't work on window units and the other one never even got in touch with me. Anyway, thanx again.
Just blowing warm air.
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