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Thread: r22 to r417a
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09-02-2010, 02:48 PM #1
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r22 to r417a
can someone tell me, when changing a compressor that is r22, do you weigh in the same amount of gas on r417a as you would r22?
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09-02-2010, 07:10 PM #2
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Re: r22 to r417a
Dupont recommend 85% but their guidelines are here, PDF.
http://www2.dupont.com/Refrigerants/...21_MO59_uk.pdfBrian - Newton Abbot, Devon, UK
Retired March 2015
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09-02-2010, 08:18 PM #3
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Re: r22 to r417a
brian is right they recommend 85% but we have done 3 units done the recharge to recommende level and the unit would not run correctly so we charged by superheat and units work fine
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09-02-2010, 09:12 PM #4
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Re: r22 to r417a
Its all newish stuff but what was the subcooling measurment at what load
Originally Posted by freezetech
cheers
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10-02-2010, 10:16 AM #5
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Re: r22 to r417a
Thanks Brian thats a interesting link
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