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

This episode is another of our "Morning Coffee" sessions with longtime refrigeration professionals Andrew Freeburg and Erik Holland, diving deep into trend graphs and CO2 refrigeration system troubleshooting. We cover understanding and reading trend graphs, practical tips for locating and analyzing system inefficiencies, and the procedures for fine-tuning refrigeration systems. We also discuss gas coolers, the impact of ambient temperature on system performance, and effective strategies for maintaining system stability in cold climates. Interested in joining the next Morning Coffee live? Join our FREE Refrigeration Mentor Community today.

In this episode, we cover:

-Understanding trend graphs

-Comparing graphs on E2 systems

-Trend graph analysis

-Graphing techniques on E2 systems

-Analyzing CO2 system graphs

-System fine-tuning

-Creating work and building credibility

-Advanced graph analysis and troubleshooting

-High pressure valve and bypass valve correlation

-Gas cooler and system stability

-System oscillations and expansion valves

-Gas cooler maintenance

-High pressure valve control

-Fan control strategies

-Troubleshooting fan and gas cooler issues

-Winter challenges in CO2 systems

-Heat reclaim and system efficiency

Helpful Links and Resources:

Episode 287. CO2 Experts: Using Trend Graphs to Troubleshoot CO2 Systems with Andrew Freeburg

Episode 144. Troubleshooting CO2 High Pressure Valves Using Trend Graphs with the CAREL Boss System

Episode 350. Supermarket Refrigeration Tips and Tricks with Robert Ochs

Join the Refrigeration Mentor Hub here

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

In this episode,we're talking about how to build your professional network in the refrigeration industry - connecting with the people, community and mentors you need to know to learn and move up faster. It's not something typically taught in the trades, so this quick episode also covers overcoming resistance, what to do in a negative work environment, and how to develop the mindset necessary for growth and improvement as a refrigeration technician.

In this episode, we cover:

-Building community and networking in the trades

-Learning from experience

-Focusing on proper techniques and practices

-Developing the mindset for continuous improvement

-Finding the right mentors

-How longevity does not always equal proficiency

Helpful Links & Resources:

Episode 147: Unlocking Success: 5 Steps to Develop a Growth Mindset

Episode 342. Refrigeration Troubleshooting Stories with Andrew Freeburg

Episode 167: Why Mentors Play a Key Role in Your Refrigeration Journey with Bill Zoren Key Mechanical

Join the Refrigeration Mentor Hub here

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

In this episode, we explain PID (Proportional-Integral-Derivative) controllers used in refrigeration systems. This will give refrigeration technicians a pragmatic understanding of PID tuning, plus a procedural checklist before making any adjustments, and lots of tips on how to optimize refrigeration system performance through proper PID tuning.

In this episode, we cover:

-PID controllers and their importance in refrigeration

-Explanation of Proportional-Integral-Derivative components

-Manufacturer settings

-Tips for fine-tuning electronic expansion valves (EEVs)

-Sensor placement

-Stable suction pressure

-PID adjustment checklist

-Steps for tuning PID settings

-Common issues caused by improper PID tuning

-Performance indicators for well-tuned systems

Helpful Links & Resources:

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

Episode 279. CO2 Experts: Superheat - Controls & Common Issues with Chris Griffiths and John Rothery

Episode 299. Basic Refrigeration 101

Join the Refrigeration Mentor Hub here

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

In this episode, we're giving you an inside look at the Refrigeration Mentor Playbook - the methodology we use to train and elevate technicians, contractors and the refrigeration industry. The goal is to inspire fellow refrigeration professionals to reap the immense value of continuous learning, and for managers to leverage teaching and mentorship to build stronger teams. Everyday, we see students of our programs achieving business growth and greater customer satisfaction in refrigeration, because they've developed new skills and better work dynamics. That's why we do this at Refrigeration Mentor.

In this episode, we cover:

-Importance of training and mentorship

-Developing effective training programs

-Core training programs at Refrigeration Mentor

-Building customized training programs

-Understanding equipment and engineering

-Impact of effective training

-Role of safety in training

Helpful Links & Resources:

Episode 65. Motivation, Mindset and Mentorship

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

Episode 167. Why Mentors Play a Key Role in Your Refrigeration Journey with Bill Zoren Key Mechanical

Join the Refrigeration Mentor Hub here

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

In this episode, we're talking about blending personal and technical development, focusing on how AI can be effectively used for troubleshooting and learning. It takes an investment of both time and money into personal growth - setting career goals, attending training sessions, and developing strong communication within teams. This conversation is loaded with strategies for technicians looking to advance in their careers and take a proactive approach to self-improvement and professional development.

In this episode, we cover:

-The impact of refrigeration on everyday life

-Attending industry events and learning from technicians

-Using AI in refrigeration troubleshooting

-Value of training and personal investment

-Building confidence

-Career growth in the trades

-The power of setting goals

-The future of refrigeration

Helpful Links & Resources:

Episode 352. AI and New Refrigeration Training & Troubleshooting Resources

Episode 338. Professional Development Tools & Resources in Refrigeration

Episode 256. Career Tips for New Technicians

Join the Refrigeration Mentor Hub here

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

In this episode, we're diving deep into TX (Thermal Expansion) valves. We got a lot of more electronic valves coming, stepper valves, pulse valves etc. out there, and getting a good understanding of the different kinds TX valves and how they work is critical for refrigeration technicians to be able to setup and troubleshoot more efficiently. We cover common issues and troubleshooting tips, including how to adjust superheat, the impact of liquid temperature on TX valve sizing, and the various factors to consider before adjusting or replacing TX valves.

In this episode, we discuss:

-Understanding TX valves

-Superheat and compressor management

-Refrigerant injection and cooling techniques

-Importance of liquid temperature

-Sizing and testing TX valves

-Troubleshooting TX valves

-Comprehensive system analysis

-Practical tips and community insights

Helpful Links & Resources:

Episode 16. TXV/TEV - A discussion about Thermostatic Expansion Valves

Episode 326. Mastering A2L TX Valves with Jamie Kitchen of Danfoss

Episode 340. Basics of CO2 Controls with Kevin Mullis (Part 1 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 from one of our regular Refrigeration Mentor Community meetups with fellow technicians. We discuss a range of topics like E3 training controllers, compressor issues, inspection cylinders, and the use of AI in troubleshooting. We also cover a list of events for refrigeration technicians to check out, share some wins and stories from the field, as well as some resources the techs on the call have found useful of late. These Community Meetups open forum and we host these regularly - if you'd like in on the next one, be sure to join the Refrigeration Mentor Community Hub.

In this conversation, we discuss:

-New CO2 Controller Challenge

-AI in refrigeration

-E3 controller training and licensing

-Inspecting cylinders

-Compressor issues and solutions

-Oil and refrigerant retrofit

-Diagnosing blow-by

-Checking valve plates and wrist pins

-Job interviews

- Using AI in troubleshooting

Helpful links & Resources:

Episode 350. Supermarket Refrigeration Tips and Tricks with Robert Ochs

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

Episode 115: Understanding Compressors: What You Need To Know

FMI (Food Industry Association) Events

RETA Conference

Join the Refrigeration Mentor Hub here

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

In this episode, we're talking with Frank Croak, EMS Manager at Climate Pros, about the shift from mechanical to electronic refrigeration controls. Frank offers valuable advice for technicians on both the technical side and why keeping up with technology can help you advance in today's refrigeration field. We also discuss the impact of CO2 on the industry, the role of AI in predictive analytics, and the need for technicians to develop strong mechanical and control system knowledge.

In this conversation, we cover:

-Evolution of controls in refrigeration

-The shift to CO2 and its challenges

-Value of hands-on experience

-Technological advancements in refrigeration

-Balancing work and personal life in the trades

-Tips for technicians transitioning to controls

-Understanding the basics of heat movement

-Electrical troubleshooting

-Mentoring and coaching in refrigeration

-Effective communication and accountability

-Setting goals and continuous learning

Helpful Links & Resources:

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

Episode 336. Fast Track to Learning Electronic Valves & Controllers

Episode 261. Supermarket Case Controller Troubleshooting Tips

Connect with Frank on LinkedIn

FMI (Food Industry Association) Events

Climate Pros

Join the Refrigeration Mentor Hub here

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

In this episode, we're digging into some tips and tricks for supermarket refrigeration with Rob Ochs, longtime refrigeration industry veteran. We'll delve into understanding and optimizing superheat, troubleshooting common issues, and the importance of proper maintenance and recommissioning. Rob also has some awesome tips for setting superheat correctly, checking compressor superheat, handling different refrigerant systems, and addressing common problems encountered with rack systems. This episode is filled with practical advice and tips for refrigeration technicians aiming to elevate their expertise and efficiency.

In this episode, we cover:

-Understanding superheat and compressor mechanics

-Rack refrigeration challenges

-Defrost systems and troubleshooting

-Superheat and subcooling strategies

-Recommissioning and maintenance tips

-Importance of individual compressor checks

-Discharge superheat: manufacturer differences

-Compressor design and liquid injection

-Setting superheat for different run lengths

-Environmental conditions and system efficiency

-Logging and tracking superheat

-Superheat adjustments and troubleshooting

Helpful Links & Resources:

Episode 271. The Inspiring Refrigeration Journey of Robert Ochs

Episode 203. Supermarket Refrigeration Service Tech Tips with Andrew Freeburg

Episode 306. Mastering Supermarket Service Calls with Andrew Freeburg

Join the Refrigeration Mentor Hub here

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

In this episode, we're talking about developing a "refrigeration mindset" for truly advancing your career. This was the topic of a recent keynote I delivered at a recent Refrigerating Engineers and Technicians Association (RETA) event, which highlighted 3 core components: goal setting, accountability, and continuous learning. These are skills outside of the day-to-day technical skills that every successful refrigeration professional has developed and harnessed to make massive career moves. If you're curious about what that mindset truly means and how to develop it for yourself, this a conversation you'll want to get in on.

In this episode, we discuss:

-Goal Setting

-Attending industry events

-Developing a "refrigeration mindset"

-Continuous learning in the trades

-Challenges and opportunities in refrigeration

-Investing in training and networking

-Importance of mentorship and community

Helpful Links & Resources:

Episode 113: 5 Tips on Developing a Growth Mindset

Episode 147: Unlocking Success: 5 Steps to Develop a Growth Mindset

Episode 214. How to Develop the Right Mindset for Success

Refrigerating Engineers and Technicians Association (RETA)