EPA 608 Prep 26, POE Oil and the Moisture Problem in R-410A Systems
This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why R-410A systems mandate the use of synthetic POE (polyolester) oil. - How the hygroscopic nature of POE oil leads to the formation of corrosive acids and sludge when exposed to moisture. - The critical exam requirement of pulling a deep vacuum to 500 microns…
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