Episode 326. Mastering A2L TX Valves with Jamie Kitchen of Danfoss

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In this episode, we uncover the ins and outs of TX valves, including installation, sizing, settings, and troubleshooting. Joining us is Jamie Kitchen from Danfoss, who shares his vast knowledge on TX valves and the importance of proper setup to avoid common pitfalls. We dive into the principles of superheat, subcooling, and the differences between internal and external equalized TXVs. You’ll also learn how to size valves correctly, the significance of maintaining airflow, and the best practices for adjusting superheat.

In this conversation, we discuss:

-Understanding TX valves and A2L refrigerants

-Proper TX valve setup

-A2L misconceptions

-Refrigerant blends and global warming potential

-Superheat and subcooling

-TX valve operation principles

-Increasing superheat for stability

-Advanced troubleshooting techniques

-Understanding airflow

-Identifying low charge issues

-Proper sizing and capacity of valves

-Adjusting superheat correctly

Helpful Links & Resources:

Episode 16. TXV/TEV - A discussion about Thermostatic Expansion Valves

Episode 202. Better Evacuations, A2L Myths and the Modern Mindset Around Refrigeration with Jesse Stewart of NAVAC

Episode 293. Transitioning to A2L Refrigerants with Danilo Gualbino

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