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In this episode, I’m sharing 7 essential service and maintenance tips for transcritical CO2 refrigeration systems. These tips will help refrigeration technicians build confidence and capability in handling CO2 systems. They include building a baseline snapshot, ensuring gas cooler health, optimizing high-pressure valves, stabilizing flash tanks, maintaining proper superheat, managing oil return, and emphasizing safety. I also cover practical field checks and signs to look for when on service calls that will help your troubleshoot and make repairs more efficiently.

In this episode, we discuss:

-Building a baseline

-Gas cooler health check

-High pressure valve optimization

-Flash tank stability

-Defrost and compressor checks

-Oil management essentials

-Field techniques and observations

-Ssafety protocols and leak response

-CO2 system maintenance tips

Helpful Links & Resources:

Episode 227. Getting to Know Transcritical CO2 Supermarket Refrigeration Systems with Kevin Mullis

Episode 73: Tips And Tricks When Working On CO2 Transcritical Systems

VIDEO: Pushing Dorin CO2 Compressors to the Limit | A Deep Dive into Qualification Testing