NATE HVAC Exam Prep 43, Refrigerant Circuit Diagnostic Patterns

Podcast: Trades Exam Prep · Ran Chen, EA, CFP®

Opublikowano: 2026-09-30

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 analyze suction pressure, discharge pressure, superheat, and subcooling together to diagnose NATE refrigerant circuit faults. - The critical diagnostic difference between an undercharged system and a liquid line restriction. - How TXV systems and fixed-orifice metering devices respond differently to refrigerant overcharge and undercharge conditions. - How to identify m...