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

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: jordan.gronkowski@henry-group.net

Henry Group Industries on LinkedIn

Website: Henry Technologies

Join the Refrigeration Mentor Community here

Learn more about Refrigeration Mentor Customized Technical Training Programs at

https://refrigerationmentor.com/

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