Episode 344. Basics of CO2 Controls - Service Calls & Troubleshooting Rack Controllers with Kevin Mullis (Part 4 of 4)

Join the Refrigeration Mentor Hub here

Learn more about Refrigeration Mentor Customized Technical Training Programs at www.refrigerationmentor.com/courses

This episode is the final in our 4-part “Basics of CO2 Controls” series with Kevin Mullis, Head of Product Engineering at Clade Engineering Systems (links to parts 1-3 below). In this one, we cover service calls and troubleshooting for CO2 rack controllers. This episode is packed with practical techniques and lessons, including dealing with overcharged and undercharged systems, interpreting critical data points from controllers, recognizing symptoms of common issues, and ensuring optimal system performance. We also discussstrategies for collaboration and communication among fellow technicians.

In this episode, we discuss:

-Real-world troubleshooting scenarios

-Teamwork and communication in the field

-Service calls and fault situations

-Analyzing controller data

-Identifying system issues

-High pressure valve troubleshooting

-Gas cooler and receiver issues

-Probes and sensor placement

-Ambient temperature considerations

-Receiver pressure fluctuations

-Understanding CO2 rack issues

-Problems with high liquid levels

-Common causes of overcharging

-Challenges with sight glasses

-Winter scenarios and heat recovery

Helpful Links & Resources:

Episode 340. Basics of CO2 Controls with Kevin Mullis (Part 1 of 4)

Episode 341. Basics of CO2 Controls - Programming RDM with Kevin Mullis (Part 2 of 4)

Episode 343. Basics of CO2 Controls - Programming CAREL with Kevin Mullis (Part 3 of 4)

Follow Kevin on LinkedIn

Clade Engineering Systems