View Full Version : r-500 retrofit
mtgiran
13-05-2010, 02:52 PM
hi
Does anyone knows about r-500 retrofit for centrifugal compressors?
we need an azeotropic refrigerant with low change in chiller.
Magoo
14-05-2010, 01:54 AM
from memory r500 is carrene 13, a blend by Carrier. Did not know that they used it in centrifs
mtgiran
16-05-2010, 07:43 AM
No it is an azeotropic blend and we are using it in our york chillers with centrifigul compressors
ptsac
16-05-2010, 11:42 AM
http://www.epa.gov/ozone/snap/refrigerants/lists/othcent.html
list from 2009.
McQuay centrifugals on r500 were retrofitted to R134a
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