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Thread: R134A substitute ?? Help Pls.
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24-06-2006, 06:32 AM #1
R134A substitute ?? Help Pls.
If a compressor is supposed to run on R134a, is there a substitute refrigerant that will run as well? I have been reading stories of capillary lines plugging, etc, and have realized that some of my problems are with the 134a as well.
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24-06-2006, 08:22 AM #2
Re: R134A substitute ?? Help Pls.
WTF? I am afraid that is impossible, unless you are using the wrong oil or the system has been horribly built.
I can how ever tell you where you can get R-134a in Canada with out a ticket. For the system what you will have to do is ensure it is throughly cleaned inside then use a good quality POE oil and a good quality F/D (Filter/Dryer) If all thees things have been observed then you may have gotten a contaminated refrigerant.
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24-06-2006, 09:52 AM #3
Re: R134A substitute ?? Help Pls.
R507 but it will run the compressor hotter due to the increased pressure but it will also give you colder temps
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24-06-2006, 11:43 AM #4
Re: R134A substitute ?? Help Pls.
Originally Posted by northern-tech
R401a is the one I have used in the past
Kind Regards AndyIf you can't fix it leave it that no one else will:rolleyes:
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24-06-2006, 03:35 PM #5
Re: R134A substitute ?? Help Pls.
R134a is known for waxing the oil which in turn blocks capillaries. I prefer to use R49.
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27-06-2006, 05:34 AM #6
Re: R134A substitute ?? Help Pls.
This R49.......is it available in North America, or is it under another name ??
Thanks for the reply guys. Andy, I have used the
R - 414B in the past, so may give this a try in the future.
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08-07-2006, 12:44 AM #7
Re: R134A substitute ?? Help Pls.
R49 is R413a, it is a superb refrigerant.
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16-07-2006, 06:46 AM #8
Re: R134A substitute ?? Help Pls.
I tried r409a as substitute for r134a in reciprocating compressor at -10 celcius evaporating temp. it still runs well.
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13-02-2008, 09:03 PM #9
Re: R134A substitute ?? Help Pls.
I, too, have experienced many R134a units that have clogged the cap tube. I backflush evap and condensor with liquid R406A through my reclaimer to dissolve the clog and recharge with AB oil and R401A or R401B.
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