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Donoven Refrigeration Basics Quiz July 26, 2021, 7:26 am
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In these tips and on the podcast, we talk a lot about the importance of deep vacuum, and deep vacuum using proper processes and tools is the best. It's really the ONLY way to ensure that a system is clean, dry, and tight. Just for review, that means: Nitrogen purge, flow and pressurize > Cores […]
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With cold temperatures right around the corner, it is a good time to brush up on our steam now, and there's no better way to do that than by reading an article by Dan Holohan. This article was written by Dan Holohan and published at HeatingHelp.com HERE. It has been reposted here with permission. This […]
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As we have mentioned in several previous articles (such as this one HERE), many blended refrigerants have glide, which simply means they boil and condense over a range of temperatures instead of just one temperature. As an example, consider refrigerant R407c. It is a zeotropic blend, which means it has enough glide to make a […]
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