Get on the Supermarket Academy waitlist now! New program to supercharge your supermarket refrigeration expertise.

This episode of our “CO2 Experts” series features Rusty Walker, Training Director with the North American Sustainable Refrigeration Council (NASRC), leading an in-depth discussion on troubleshooting CO2 system electrical diagrams. The conversation is loaded with tips and examples aimed at helping refrigeration technicians troubleshoot service calls faster and get more confident with electrical principles. This “CO2 Experts Live” series is all about providing deep technical training so technicians and engineers in the field can get some quick tips on how to troubleshoot more efficiently and confidently. Links to more in this series below.

In this conversation, we cover:

-Basics of electrical symbols

-Electrical relays and switches

-Voltage and troubleshooting techniques

-Electrical troubleshooting tips

-Tools refrigeration technicians need to carry

-Importance of understanding wiring diagrams

-Understanding the electrical circuit

-Using meters for

-Tips for reading wiring diagrams

-Bipolar stepper valves

-Modbus troubleshooting

Helpful Links & Resources:

Connect with Rusty: rusty.walker@nasrc.org

Learn more about the NASRC: https://nasrc.org/

Episode 253. CO2 Experts: Designing an Oil Management System with Nabil Cook

Episode 257. CO2 Experts Live: Case Controllers with Kevin Mullis

Episode 246. CO2 Experts: Startup and Commissioning with Kevin Mullis

BOOK A CALL with Trevor to learn more about refrigeration training programs.

Upcoming Servicing Compressors, Supermarket and CO2 Trainings: Learn More Here

Learn More About Refrigeration Mentor: https://refrigerationmentor.com/

Get your FREE Service & Compressor Troubleshooting Guide: Access Here

Refrigeration Mentor Linktree

Refrigeration Mentor on LinkedIn

Refrigeration Mentor on Instagram

Refrigeration Mentor YouTube Channel

This conversation is about personal development strategies for your life and career as a refrigeration professional, particularly how to create personal abundance. It includes tips and lessons from many of the world’s most successful people and foremost figures in personal development, including Andrew Carenegie, Bob Proctor, Deepak Chopra and Earl Nightingale. In this episode, we cover the benefits of meditation, the power of gratitude, setting clear goals, and how a positive mindset shift can lead you to more money, joy and success in the refrigeration industry - where there is a ton of opportunity for abundance.

In this conversation, we cover:

-The power of meditation and gratitude

-The impact of thoughts on reality

-What you think, you become

-Learning from mistakes

-Building relationships for success

-Goal setting

-Continuous learning and self-improvement

-Achieving financial abundance

-Staying positive and resilient

Helpful Links & Resources:

BOOK A CALL with Trevor to learn more about refrigeration training programs.

Get on the Supermarket Academy waitlist now! New program to supercharge your supermarket refrigeration expertise.

Upcoming Servicing Compressors, Supermarket and CO2 Trainings: Learn More Here

Learn More About Refrigeration Mentor: https://refrigerationmentor.com/

Get your FREE Service & Compressor Troubleshooting Guide: Access Here

Refrigeration Mentor Linktree

Refrigeration Mentor on LinkedIn

Refrigeration Mentor on Instagram

Refrigeration Mentor YouTube Channel

Get on the Supermarket Academy waitlist now! New program to supercharge your supermarket refrigeration expertise.

This episode of our CO2 Experts Live series features Kevin Mullis, Technical Manager at Integral UK, talking about case controllers for CO2 refrigeration systems. Kevin has a ton of experience helping technicians solve CO2 system problems and here covers troubleshooting steps, how to identify common issues and how to verify the functionality of components like transducers and stepper valves. Kevin shares a ton of great tips to help refrigeration technicians diagnose case controller problems faster and more efficiently.

In this conversation, we cover:

-CO2 case controllers

-Understanding the Danfoss AK 550A & Carel MPXPRO controllers

-Key roubleshooting tips for controllers

-Electrical wiring and probes

-Voltage and relay checks

-Transducer testing and network fault finding

-Adaptive superheat

-Stepper valves

-Importance of fault codes in troubleshooting

-Floating suction and system efficiency

Helpful Links & Resources:

Episode 246. CO2 Experts: Startup and Commissioning with Kevin Mullis

Episode 227. Getting to Know Transcritical CO2 Supermarket Refrigeration Systems with Kevin Mullis

Danfoss KoolCode app

Kevin Mullis on LinkedIn

Website: Integral UK Ltd.

BOOK A CALL with Trevor to learn more about refrigeration training programs.

Get on the Supermarket Academy waitlist now! New program to supercharge your supermarket refrigeration expertise.

Upcoming Servicing Compressors, Supermarket and CO2 Trainings: Learn More Here

Learn More About Refrigeration Mentor: https://refrigerationmentor.com/

This conversation is all about helping new refrigeration technicians overcome initial intimidation of working in the field. This chort episode is packed with tips not just for technicians, but employers too who want to accelerate the learning curve and confidence building of their new techs, in order to strengthen their team. We dive into the importance of repeated practice and how to better understand the massive array of complex refrigeration equipment out there. We also cover strategies for apprentices seeking employment and opportunities for career development.

In this conversation, we discuss:

-The importance of repetition in learning

-Overcoming initial fears and intimidation

-Investing in training and development

-How to communicate to your employer about training

-Opportunities for free training

-Career planning and goal setting

-Tips for apprentices looking for permanent work

-Reaching out to prospective employers

Helpful Links & Resources:

BOOK A CALL with Trevor to learn more about refrigeration training programs.

Get on the Supermarket Academy waitlist now! New program to supercharge your supermarket refrigeration expertise.

Upcoming Servicing Compressors, Supermarket and CO2 Trainings: Learn More Here

Learn More About Refrigeration Mentor: https://refrigerationmentor.com/

Get your FREE Service & Compressor Troubleshooting Guide: Access Here

Refrigeration Mentor Linktree

Refrigeration Mentor on LinkedIn

Refrigeration Mentor on Instagram

Refrigeration Mentor YouTube Channel

This conversation is from a recent webinar I did on compressor troubleshooting, focusing on demand cooling and refrigerant injection. The goal is to help refrigeration technicians be more resourceful and quicker when it comes to servicing compressors. We run some scenarios, share some troubleshooting tips for compressors and also discuss the importance of understanding electrical diagrams and reading manufacturer manuals. Links shared in the webinar are listed below for you to explore and follow along.

In this conversation, we cover:

-Demand cooling and refrigerant injection

-Compressor operation and troubleshooting

-Using Bitzer Software for compressor selection

-Understanding compressor limits

-Exploring technical data

-Accessories and additional components

-Refrigerant injection module

-Compressor operation and troubleshooting

-Manufacturer manuals

Helpful Links & Resources:

Bitzer Software

Copeland Online Product Information (OPI)

CARWIN Compressor Selection Software

BOOK A CALL with Trevor to learn more about refrigeration training programs.

Upcoming Servicing Compressors, Supermarket and CO2 Trainings: Learn More Here

Learn More About Refrigeration Mentor: https://refrigerationmentor.com/

Get your FREE Service & Compressor Troubleshooting Guide: Access Here

Refrigeration Mentor Linktree

Refrigeration Mentor on LinkedIn

Refrigeration Mentor on Instagram

Refrigeration Mentor YouTube Channel

This conversation is all about how to avoid the unhealthy habits that a lot of service technicians fall into working busy, long days. From quick, unhealthy meals on the go, to trying to perform physical work that your body just can’t handle, it’s important for refrigeration technicians to take action on your health if you want to enjoy a thriving work-life balance. This episode features some of my best tips for incorporating healthier habits into your day, and debunks a lot of the misconceptions tradespeople make about what’s perhaps causing more harm than good on the job.

In this conversation, we discuss:

-Unhealthy eating habits on the job

-Meal planning

-Hydration and avoiding sugar

-Choosing healthier snacks (especially working at supermarkets)

-Smaller, more frequent meals

-The difference between activity and exercise

-Easy ways to start building healthy habits

Helpful Links & Resources:

Book: Limitless by Jim Kwik

BOOK A CALL with Trevor to learn more about refrigeration training programs.

Upcoming Servicing Compressors, Supermarket and CO2 Trainings: Learn More Here

Learn More About Refrigeration Mentor: https://refrigerationmentor.com/

Get your FREE Service & Compressor Troubleshooting Guide: Access Here

Refrigeration Mentor Linktree

Refrigeration Mentor on LinkedIn

Refrigeration Mentor on Instagram

Refrigeration Mentor YouTube Channel

Get on the Supermarket Academy waitlist now! New program to supercharge your supermarket refrigeration expertise launching soon.

This conversation is part of our “CO2 Experts” series, this one featuring Nabil Cook, Technical Director for Omega Solutions, with a presentation on oil management design, specifically for transcritial CO2 refrigeration. Nabil covers oil separator sizing, oil line sizing, different types of oil used in CO2 systems, and various oil management strategies. Nabil also shares practical tips for handling and storing oil, the importance of understanding compressor oil throw rates, and provides detailed explanations on calculating required oil reservoir capacity and system oil charge.

In this conversation, we discuss:

-Oil management design for transcritical CO2 refrigeration

-Oil management system components

-Oil regulators

-Oil separators

-Oil reservoirs

-Oil coolers and temperature management

-Oil management system strategies

-Managing oil throw - scrolls vs. recipes

-Oil line sizing

-Comparing oil types

Helpful Links & Resources:

Episode 246. CO2 Experts: Startup and Commissioning with Kevin Mullis

Episode 114: Energy Consumption Breakdown of CO2 Transcritical Systems with Nabil Cook

Episode 195. Designing CO2 Supermarket Refrigeration Systems: Projecting Annual Energy Consumption with Nabil Cook of Omega Solutions (Part 5 of 5)

Learn more about Omega Solutions

Follow Omega Solutions on LinkedIn

Connect with Nabil on LinkedIn

BOOK A CALL with Trevor to learn more about refrigeration training programs.

Upcoming Servicing Compressors, Supermarket and CO2 Trainings: Learn More Here

Learn More About Refrigeration Mentor: https://refrigerationmentor.com/

Get your FREE Service & Compressor Troubleshooting Guide: Access Here

Refrigeration Mentor on Instagram

Refrigeration Mentor YouTube Channel

Get on the Supermarket Academy waitlist now! New program to supercharge your supermarket refrigeration expertise launching soon.

This conversation is about the importance of having a clear purpose behind your work. That purpose is what will drive your success and keep you focused on a goal, whether it's for family, personal development, career advancement, or starting your own business. We also talk about the potential for multiple career pathways within the refrigeration industry, and even looking at traditional retirement age as an opportunity to begin a new career.

In this conversation, we discuss:

-Finding purpose in your work

-Investing in personal growth

-Development of Refrigeration Mentor

-Changing careers multiple times

-Starting a new career in your 60’s

-How to double your income

-Setting and achieving goals

-Financial responsibility

-Workplace culture

-Taking action towards your dreams

Helpful Links & Resources:

BOOK A CALL with Trevor to learn more about refrigeration training programs.

Upcoming Servicing Compressors, Supermarket and CO2 Trainings: Learn More Here

Learn More About Refrigeration Mentor: https://refrigerationmentor.com/

Get your FREE Service & Compressor Troubleshooting Guide: Access Here

Refrigeration Mentor on Instagram

Refrigeration Mentor YouTube Channel