EPA 608 Prep 28, Type III — Low-Pressure Refrigerants and Centrifugal Chillers
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: - How to identify Type III appliances and their associated low-pressure refrigerants like R-11 and R-123. - The critical concept that low-pressure systems operate in a vacuum, causing leaks to pull air and moisture inward. - The primary function of a purge unit…
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