Thread: Phase Change
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Unread 08-27-2002, 02:04 PM   #166
SonixOS
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Join Date: Mar 2002
Location: Silver Spring, MD
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Thanks alot joe. I wanted to say what u did but I didnt feel I should be the person he should recieve it from after that other thread that went dead after his BS.

Well I went to an A/C expert yesterday and he was amazed at my setup. The first thing he told me is that I am running my dehumidifier WAAAY below how the setup is intended to run. The Refrigerant temperature was like 15F while the ambient temperature was like 87F. We were able to tell that there was an enormous amount of liquid coming back from the evaporator that causes the compressor's tube to get all frosted and VERY VERY COLD. So what he suggested is that I get an expansion valve, and since I got a 2500 btu compressor I can use that expansion valve and use r-502 which has a boiling point of -50F @ .2 or so atm. While R-22 boils @ -40F at about the same atm. Where would be a good place to start to look for that expansion valve? He told me it would cost around 100 bux. But that sounds rediculous for such a small thing. Another thing he told me is that I might not be able to buy it because it contains gas so I might need a license. As for the accumulator is it actually for around 40 bux? Cuz if so, it would be tight if I can add it to my system.

Oh yes another thing, My Methanol (windshield washer fluid) temperature was 7 degrees F above the temperature of the refrigerant. I believe that is VERY GOOD considering I do not have to mess with the gas in my computer. I planned it out and measured everything and it will cost me around 100 bux in materials to convert my dehumidifier from what it looks like right now to an all acrylic case. The case will have a top and no sides for optimum air flow. I hope i will do it on friday.


000, if you are running your dehumidifier just fine, expect the compressor to blow up one day, at least, thats what the A/C guy told me.
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