NATE HVAC Exam Prep 8, Refrigerant Piping Oil Return and Line Protection
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: - Suction line velocity requirements to ensure proper oil return to the compressor crankcase. - Why liquid lines are generally uninsulated except when passing through high temperature ambient spaces. - Trap placement rules for vertical suction risers to prevent…
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