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11 0 obj (As safe as your standard HFC refrigerants like R-134a or R-404A.) <>
https://www.agas.com/media/6738/r449a-xp40-pt-chart-2.pdf, It's to use as a visual aid more than anything alongside the PT charts, Questions, discussions, and stories related to the Commerical and Industrial Refrigeration industry, Press J to jump to the feed. uuid:a8dff105-a4d1-11b2-0a00-782dad000000 4 0 obj
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faB~[* e7`$o BS_heiv.&T1,C0RvQn:`q>?C`YY4ZVUv_7Q2H){Z5;fhG@hg^\F{/a2S2Q9ne +71sO t2B5y.bNTxf1/M4,h-[8w HG endobj You will be required to provide your certificate number or declare the item will be resold to an EPA certified technician on certain types of Refrigerant. It can be used in new equipment and can also replace R-22, R-404A, R-507, and R-407A in existing equipment as long as the proper retrofitting is done. 27 0 obj
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Multi-Year Evaluation of R-449A as a Replacement for R-22 in Low Temperature and Medium Temperature Refrigeration Applications This helps us keep compliant and prevents any and all future headaches for you or your company down the road. 0000000016 00000 n
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Having these facts along with the saturation point, the subcool, and thesuperheat numbers for the refrigerant you are working on are essential when it comes to really understanding what is going wrong with your system. <>/MediaBox[0 0 612 792]/Parent 9 0 R/Resources<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/StructParents 0/Tabs/S/Type/Page>> 0000038711 00000 n
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The problem with R-404A is its immense Global Warming Potential of nearly four-thousand. I'm trying to put together some info for training for my son but my gauges died :/. endobj 0000047278 00000 n
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endobj Strange question but I'm looking for a screen picture of a set of digital gauges set to R449A when measuring any pressure. <>/Metadata 3634 0 R/ViewerPreferences 3635 0 R>>
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Preliminary Ruling on Antidumping of HFC Refrigerants. endobj 0000026056 00000 n
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It has an A1 rating from Ashrae which means that it is one of safest refrigerants out there. 0000032471 00000 n
h1 014\Ax'MF[!!!!!C. This article aims at providing you with just that information. 354 0 obj hb``f`( "@1v7@.4D5.*spkB.yV? 0000000016 00000 n
But, these numbers wont do you any good if you dont know what refrigerant you are dealing with and what the refrigerants boiling point is at eachpressurelevel. 0000048387 00000 n
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We do not directly sell any products or refrigerants, but rather provide information, knowledge, and explanations to the consumer. 0000047158 00000 n
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R-449A is a non-azeotropic blend comprised of R-134a (25.7%), R-1234yf (25.3%), R-125 (24.7%), and R-32 (24.3%). For a full retrofit guide click this link to be taken to the official Chemours official document. It doesnt matter if youre in Miami or in Fargo. This refrigerant falls into the new classification of refrigerants known as Hydrofluoroolefin family. ~k}^!Ve
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(R-410A, R-404A, & R-134A are excluded from this.) 0000036671 00000 n
You may also see R-449A labeled as XP40 or under the brand name Opteon which comes from the Chemours company. endobj
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c D't];4"Qu&, Multi-Year Evaluation of R-449A as a Replacement for R-22 in Low Temperature and Medium Temperature Refrigeration Applications. R-449A is able to cut this number down to 1,397 which is almost a seventy percent reduction. It is also between eight to twelve percent more efficient then your standard R-404A systems. 2017-01-13T07:53:27-08:00 0000003209 00000 n
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It just becomes second nature after enough calls. 0000027115 00000 n
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It can even be used in ice rinks if needed. 0000052490 00000 n
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Lastly, is your pressure temperature chart. 0000045841 00000 n
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uuid:a8e007dd-a4d1-11b2-0a00-503c612cff7f This is a big point of note as most HFO refrigerants are either flammable or slightly flammable, but 449A is not. 0000090418 00000 n
It doesnt matter what the situation is. The good news is that the retrofitting procedure is quite simplistic compared to other alternative refrigerants. 0000007280 00000 n
12 0 obj Just like R-404A, R-449As primary applications range from industrial refrigeration and air conditioning over to commercial refrigeration found in your typical grocery store or gas station. 0000266102 00000 n
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,TWj.m`dqE-dWe_@@t 2e0i>[_YT>2/k/^~.eG;xZ]^%@X[ |a?zYlw?/g After a visual inspection the very next step for the most seasoned technicians is pulling out their gauges and checking thepressureand temperature. :. It will never fail that one of the first questions the pros ask the rookie is what is your subcool and what is your superheat? 0000039714 00000 n
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