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In this episode, we're returning to refrigeration fundamentals and breaking down the foundations - compressor, condenser, metering device, evaporator, and refrigerant flow. We cover key checks like suction/discharge behavior, condenser air and pipe temperatures, subcooling, fan operation, TXV function, and calculating superheat to prevent liquid or wet gas returning to the compressor. This episode also includes practical tips from the field, including smarter ways to handle oil checks, condenser coil cleaning techniques, and the importance of reading manuals. It's not all about the high level stuff - mastering the basics is truly the key to building confident refrigeration techs and stronger, less stressed service teams.

In this episode, we discuss:

(00:48) Refrigeration Basics

(01:26) Compressor Fundamentals

(03:11) Condenser Temps and Subcooling

(04:27) Metering Devices and Superheat

(09:08) Field Basics Gauges Oil and Coils

(11:33) Manuals and System Checks

(13:12) TXV Troubleshooting Steps

Helpful Links & Resources:

Episode 37. Refrigeration Fundamentals and Troubleshooting Training w/ HVAC Know It All

Episode 299. Basic Refrigeration 101

Episode 5. CO2 Refrigeration Fundamentals with James Bailey