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Thread: Any Replacement gas for R290
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26-03-2011, 09:52 PM #1
refprob Guest
Any Replacement gas for R290
Hi,
I came cross a freezer which uses R290 refrigerant ,I found that the capillary line/filter drier is blocked.I need to replace the filter drier and clean capillary with nitrogen does anyone can tell me whether I can use R404a instead R290 for the same compressor.the Oil is POE. Appreciate very much your advice.Thanks
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26-03-2011, 10:30 PM #2
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Re: Any Replacement gas for R290
R22 looks a better match on a pt chart. R290 would be the best option if its what the system is designed to run on. Most wholesalers sell HC refrigerants in 1kg bottles, though you should have been on a course and may need to show your card to buy it.
Mostly found in Oxfordshire, UK :)
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28-03-2011, 09:16 PM #3
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Re: Any Replacement gas for R290
elco who was a big installer of 290 recomend r134a they dont even swap the drier we done a lot of warrantie work for them and we had a engineer rport recomending we use r 134a as a replacement
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28-03-2011, 09:34 PM #4
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06-08-2011, 07:14 PM #5
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Re: Any Replacement gas for R290
BOC do half day CARE HANDLING course at Guildford, this covers you as compentant for all hydrocarbons
Not sure how much as company paid, but it was very basic and BOC will not sell without seeing your card
Dunno about other suppliers
