NATE HVAC Exam Prep 16, Relays Contactors Sequencers and Safeties
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: - Distinction between relays, contactors, and sequencers in HVAC control applications - How normally open and normally closed contacts behave in schematic diagrams - Staging electric heating elements and fan operation using timing sequencers - Function and series…
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