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This episode is the first of a four-part CO2 series, starting off with a dive into the basics of CO2 controls with Kevin Mullis, Head of Product Engineering at Clade Engineering Systems. This is about returning to fundamentals, even for seasoned technicians, to ensure a thorough understanding CO2 controls, programming, wiring diagrams, meter readings, and step-by-step troubleshooting techniques. Kevin shares lots of great tips and advice for refrigeration technicians to enhance their skills and confidence in handling CO2 refrigeration systems.

In this episode, we cover:

-Introduction to CO2 controls

-Refrigeration controller fundamentals and basics

-Wiring diagrams

-Importance of proper tools

-RDM controllers

-Probes and transducers

-Relays and voltage

-Voltage and relays

-Testing and troubleshooting relays

-Universal inputs and outputs

-Analog signals and transducers

-Identifying and tracing probes

-Practical tips for wiring and safety

-Compressor circuits and VFD’s

-Sequence of operation in CO2 systems

-Analyzing a zero zone drawing

Helpful Links & Resources:

Follow Kevin on LinkedIn

Clade Engineering Systems

Episode 315. Mastering RDM Controls, Live Commissioning & Networking Essentials with Kevin Mullis

Episode 299. Basic Refrigeration 101

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

In this episode, we’re joined by longtime refrigeration professionals Andrew Freeburg and Erik Holland for a casual “Morning Coffee” covering both technical topics and personal development in the refrigeration industry. We dive into tips and field experiences for troubleshooting communication (comm) loss and controller issues in refrigeration systems. We also discuss the value of mentorship in refrigeration and have some great advice on how technicians new and experienced can mentor peers.

In this episode, we cover:

-Mentorship and personal growth

-Lessons from the field: com loss issues

-Communication issues in controls

-Recording video on service calls

-Configuring controllers

-Importance of proper wiring and polarity

-Backup and version control

-Controller replacement

-Power of mentorship

Helpful Links & Resources:

Episode 338. Professional Development Tools & Resources in Refrigeration

Episode 261. Supermarket Case Controller Troubleshooting Tips

Episode 59. Industry Development and Training

Join the Refrigeration Mentor Hub here

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

In this episode, I’m joined by regular guest Andrew Freeburg for a casual coffee talk focusing on professional development for refrigeration technicians. Andrew shares his experience and the importance of investing in oneself through learning opportunities and attending training events. We also dive into the crucial role of good communication in troubleshooting and sharing knowledge within your team, making everyone's job easier and more effective.

In this episode, we discuss:

-Time management tips

-Effective communication strategies

-Maintaining professionalism on the job

-Technical troubleshooting: ethernet issues

-Basics of controls

-Training new technicians

-Attention to detail

-Using multimeters and understanding sequences

-Learning flex combiners and AI troubleshooting

-Developing skills on different controllers

-Switching controllersInputs, outputs, and relays

-The value of hands-on training and networking

Helpful Links & Resources:

Episode 337. Troubleshooting a Refrigeration Rack Down with Andrew Freeburg

Episode 139. 7 Tips For Building Good Training And Development Habits

Episode 24. The Importance of Training & Development in the Refrigeration Industry w/ John MacInnis