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In this conversation, we’re talking with Kevin Mullis, Technical Manager at Integral UK about how technicians can gain a better understanding of transcritical CO2 supermarket refrigeration systems. Kevin shares his first-hand insight on the evolution of CO2 technology in the UK (and now North America) and provides tips for technicians who want to learn and get more confident working with CO2 refrigeration systems. He also shares his interesting journey from light supermarket maintenance into refrigeration, then onto training and technical management.

-Early challenges and innovations in CO2 refrigeration

-The evolution of transcritical CO2 refrigeration systems in supermarkets

-Why refrigeration technicians should start out in construction

-Career options beyond field work and technician

-Navigating low load situations

-Set points and parameters

-Understanding refrigeration controls and electronics  

-Importance of continuing education and staying up-to-date with training

-Performing an initial visual test on a service call

-Being OK with making mistakes

-Balancing external load in refrigeration systems

-Building confidence working with CO2 refrigeration systems

-Similarities between CO2 and other refrigeration systems

Helpful Links & Resources:

Kevin Mullis on LinkedIn

Website: Integral UK Ltd.

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