Join the Refrigeration Mentor Hub here Learn more about Refrigeration Mentor Customized Technical Training Programs at www.refrigerationmentor.com/courses This episode of CO2 Experts is the second of a 2-part lesson on advanced CO2 refrigeration troubleshooting with Chris Brown, Application Engineering Manager of Danfoss (You can listen to Part 1 here). In Part 2, we dive into the technical side of CO2 system start ups - tips and things to look for to really be proficient on getting that rack up and running or getting to a point where you can start adding gas. We also focus optimizing controller settings, tuning, and ensuring effective pressure management. In this episode, we discuss: -Controller tuning and receiver pressure -Understanding PI selection and tuning results -Troubleshooting rack superheat -Hot gas and liquid injection dynamics -Oil management -Booster systems and discharge pressure issues -Understanding medium temp suction pressures -Low temp discharge safety settings -Medium temp compressor issues and solutions -Suction Floating -Handling emergency shutdowns -Phase loss monitor checks -Troubleshooting charge loss -Leveraging manufacturer support Helpful Links & Resources: Danfoss Supermarket Support Danfoss YouTube Channel Chris Brown on LinkedIn Controller Talk Podcast S3 E13: "Inside Supermarket Refrigeration with Refrigeration Mentor, Trevor Matthews"

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“What did the council decide on item 42?” — answered with the speaker and the moment.

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