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In this conversation, we're taking a deep technical dive into Danfoss CO2 Controllers with Dave Yoder, Technical Support Engineer and Co-Host of the Controller Talk podcast (links below). Dave over three decades of experience in technical support for refrigeration systems and shares his extensive knowledge about the importance of asking the right questions of technical support and best practices for starting up and maintaining CO2 refrigeration systems. We also touch on key aspects of working with Danfoss controllers and the importance of hands-on training for technicians.

In this episode, we discuss:

-Common tech support questions from technicians

-Effective communication in the field

-Importance of proper startup procedures

-Advice for contractors on startups

-Biggest learning curve with Danfoss CO2 controllers

-Managing CO2 systems in cold weather

-Troubleshooting common issues

-Sensor placement and insulation tips

-Controller training and fine-tuning

-The importance of using laptops in refrigeration

Helpful Links & Resources:

Follow Dave on LinkedIn

Controller Talk Podcast on Spotify | Apple | YouTube

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

In this episode of CO2 Experts, we diving into Resource Data Management (RDM) controllers with control expert, Kevin Mullis, Technical Manager at Integral UK Ltd. A good understanding of RDM's will help refrigeration technicians troubleshoot, avoid common issues and better manage and optimize CO2 refrigeration systems. Kevin has some key tips on overything from transducer configurations, to probe settings, and shares real-life troubleshooting scenerios.

In this episode, we discuss:

-Transducers and probes setup

-Superheat calculation

-RDM troubleshooting techniques

-Data logging and analysis

-Importance of change management

-Fine-tuning control systems

-Impact of load on system stability

-CO2 refrigeration systems

-Suction pressure

-Cold weather challenges

-Oil management

-Remote access support

Helpful Links & Resources:

Episode 156: Secrets to Optimizing CO2 Systems Part 1 w/Resource Data Management RDM

Episode 257. CO2 Experts: Case Controllers with Kevin Mullis

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

Kevin Mullis on LinkedIn

Website: Integral UK Ltd.

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

In this conversation, were chatting with Henrik Andersen from Fenagy about thermal energy storage. We're talking large commercial and industrial systems in the megawatt range. Henrik covers different types of thermal energy storage, including chemical, latent heat, and sensible heat storage, and shares his insights on the transition to heat pumps, the challenges faced by customers, and the future of thermal energy storage in the context of rising energy prices and renewable energy sources.

In this episode, we discuss:

-Thermal energy storage basics

-Types of thermal energy storage

-Heat pumps

-Applications and environmental benefits of thermal storage

-Challenges and future of thermal storage

Helpful Links & Resources:

Henrik Andersen on LinkedIn

Fenagy website

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In this episode of CO2 Experts, we're doing a deep technical dive into superheat with Chris Griffiths and John Rothery of Omega Solutions. This talk is aimed at helping refrigeration technicians troubleshoot issues faster and more efficiently. Chris and John cover a number of topics like superheat control, transducer issues, EEV troubleshooting, and oil logging, and share practical scenerio and troubleshooting strategies for various CO2 applications

In this conversation, we cover:

-Understanding superheat in refrigeration systems

-Advanced troubleshooting techniques

-Trend graphs

-Electronic controls

-Refrigerant issues in cold climates

-On-site check process for low CP alarms

-Troubleshooting transducer and valve issues

-Environmental impact of co2 release

-Importance of design in refrigeration systems

Helpful Links & Resources:

Episode 191. Designing CO2 Supermarket Refrigeration Systems: Selecting Compressors and Gas Coolers with Chris Griffiths of Omega Solutions (Part 1 of 5)

Episode 273. CO2 Experts: Pipe Sizing with Chris Griffiths of Omega Solutions

VIDEO: CO2 Experts: Pipe Sizing for Transcritical CO2 Refrigeration System

Learn more about Omega Solutions

Connect with Omega Solutions on LinkedIn

Connect with Chris on LinkedIn

Email Chris: [email protected]

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

In this conversation, we're talking about ice rink refrigeration design with Art Sutherland of Accent Refrigeration Systems Ltd. Art shares his journey from technician to becoming a business owner and traveling the world with his family while working on diverse industrial refrigeration projects, from glamorous European castle exhibits to Olympic ice rinks. He provides valuable insights into the industrial side of refrigeration, energy efficiency, integrating heat pumps, and the importance of staying updated with changing regulations and technologies in refrigeration.

In this conversation, we discuss:

-Starting a business: from technician to entrepreneur

-Travel and family: a unique business journey

-Providing ice rinks for the olympic games

-Advice for technicians and business owners

-Demand for industrial refrigeration professionals

-Refrigeration in the ice rink industry

-Importance of climate in ice rink installation

-Comparing refrigerants used for ice rinks

-Safety protocols in refrigeration

-Modular systems

-Redundancy

-Heat reclaim and the future of refrigeration

Helpful Links & Resources:

Episode 107: Step by Step Walkthrough of a Transcritical CO2 Ice Rink Chiller Plant

Episode 152: CO2 Transcritical Ice Rinks with Jason Hill

Accent Refrigeration Website

Accent Refrigeration on Facebook

Follow Art on LinkedIn

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

In this episode of CO2 Experts, we're talking about pressure relief valves (PRV's) for CO2 refrigeration systems with Jordan Gronkowski, Technical Director at Henry Technologies. We discuss the importance of selecting the right size PRV's, understanding their role in preventing catastrophic events and ensuring system and human safety. Jordan also covers challenges specific to CO2 systems and methods to test and troubleshoot PRV's.

In this conversation, we discuss:

-Introduction to pressure relief valves

-Pressure relief valve sizing

-Challenges in CO2 refrigeration systems

-Selection and standards for prvs

-Troubleshooting pressure relief valves

-Using the Henry Tech PRV selector tool

-Valve selection process

-Pressure drop

-Excessive pressure drop

-Proactive troubleshooting

-Importance of rupture disks

-PRV maintenance

Helpful Links & Resources:

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

Follow Jordan on LinkedIn

Email: [email protected]

Henry Group Industries on LinkedIn

Website: Henry Technologies

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

This episode of CO2 Experts Live is a deep, technical conversation about compressors with Bitzer specialists Tobias Fuhrer and Manuel Reichle. Specifically, they cover the intricacies of capacity regulation and the Varistep system. They talk operational and mechanical aspects of Varistep in varying load conditions and share troubleshooting tips and maintenance practices to help technicians feel more confident when work with these components and CO2 systems in general.

In this conversation, we discuss:

-Compressor types and applications

-Understanding capacity control

-Varistep system

-Low load situations

-Compressor configurations

-Balancing system load with Varistep

-Electrical control of Varistep

-Monitoring and troubleshooting Varistep

-CO2 vs ammonia refrigeration systems

-Future of refrigeration technology

Helpful Links & Resources:

Bitzer Website

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

In this episode of CO2 Experts Live, we're diving into troubleshooting transcritical CO2 chillers with Damon Reed from Pro Refrigeration. Damon covers the basics of these complex systems, identifying the different components, the sequence of operations, and advanced remote diagnostic tools. We also teach you about electronic controls, safety devices, and tips to help refrigeration technicians troubleshoot and help maintain chillers more efficiently. This conversation is packed with practical tips and essential knowledge for refrigeration technicians looking to enhance their skills in working with CO2 systems.

In this episode, we discuss:

-Overview of transcritical CO2 chillers

-Component breakdown and controls

-Safety devices and troubleshooting

-Order of operations for troubleshooting CO2 chillers

-Remote troubleshooting tools

-Understanding heat recovery mode

-Condenser and high pressure controls

-Graphical and data-driven troubleshooting

-Alarm management

-Email alerts and power issues

Helpful Links & Resources:

https://prochiller.com/

https://www.mychiller.com/

Email: [email protected]

Follow Damon on LinkedIn

Join the Refrigeration Mentor Hub here

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

The biggest key to career success in refrigeration: belief. If you've got aspirations of advancing in the refrigeration industry - or are feeling stuck in your current situation with no idea how to get out - this quick episode will go over the actions you need to start to taking to create more opportunities for yourself. It starts with believing in yourself and your abilities, and the desire to want to get there. Along the way, it takes perseverance, the need for continuous learning, and surrounding yourself with the right people - things all successful people, inside refrigeration and out, strive for, no matter how long it takes.

In this conversation, we discuss:

-Mindset and belief

-Success stories from refrigeration industry leaders

-Setting and defining your goals

-The reality of success: no overnight miracles

-Building a career plan

-Leadership and continuous learning

-Resilience and motivation

-Finding confidence and validation in your work

Helpful Links & Resources:

Episode 206. Investing in Leadership and Training Great Managers with Jim Pape, CEO of The Arcticom Group

Join the Refrigeration Mentor Hub here

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

In this episode of our CO2 Experts series, we're talking about pipe sizing for CO2 refrigeration systems with Chris Griffiths, UK Technical Manager for Omega Solutions. We cover correct pipe sizing for design, troubleshooting, and service to ensure proper flow, minimal pressure drops, and efficient oil return to compressors. Chris also highlights common issues related to improper pipe sizing, excessive bends, and incorrect insulation, and also run through real-world examples to help refrigeration technicians identify and solve problems more efficiently.

In this conversation, we cover:

-Importance of pipe sizing in co2 systems

-Common pipe sizing issues

-Software tools

-Identifying and solving pipe size issues

-Pressure drop and system efficiency

-Oil issues in refrigeration systems

-Design considerations for suction pipework

-Double riser configuration

-Real-world examples and troubleshooting

-Impact of changing conditions on system design

Helpful Links & Resources:

Episode 047: What To Know When Sizing Refrigeration Piping

Episode 164: Educating a Growing Industy on CO2 Refrigeration with Chris Griffiths

Episode 193. Designing CO2 Supermarket Refrigeration Systems: Applying Heat Recovery with Chris Griffiths of Omega Solutions (Part 3 of 5)

Learn more about Omega Solutions

Connect with Omega Solutions on LinkedIn

Connect with Chris on LinkedIn

Email Chris: [email protected]