Join the Refrigeration Mentor Hub here

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

This episode is the third in our CO2 Design Fundamentals series and is about how to avoid costly mistakes. We’re joined by Chris Griffiths, UK Technical Manager for Omega Solutions, who covers critical areas such as proper pipe sizing, correct material selection, and effective oil management techniques. We also go through proper installation practices, minimizing pressure drops, and ensuring compliance with local codes, all to help technicians avoid common pitfalls and design more efficient and cost-effective CO2 refrigeration systems.

In this episode, we discuss:

-Common costly mistakes in CO2 design

-Importance of proper pipe sizing

-Oil management in CO2 systems

-Material selection for CO2 systems

-Effective pipe routing and layout

Helpful Links & Resources:

(Part 1) Episode 317. CO2 Piping Design (Tips to Protect Compressors and Prevent Failures) with Chris Griffiths

(Part 2) Episode 318. Designing High Pressure Valves for Summer Heat and Winter Challenges with Chris Griffiths

Episode 194. Designing CO2 Supermarket Refrigeration Systems: Sizing Pipework with James Bailey of Omega Solutions (Part 4 of 5)

Learn more about Omega Solutions

Connect with Omega Solutions on LinkedIn

Connect with Chris on LinkedIn

Email Chris: chris@omega-solutions.co.uk

Join the Refrigeration Mentor Hub here

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

This is Part 2 of a CO2 Design Fundamentals series, this one delving into high pressure valves (HPV) with Chris Griffiths, UK Technical Manager for Omega Solutions. HPV’s are crucial for supermarket commercial refrigeration design. This session covers the purpose and function of HPV’s, their role in regulating gas cooler pressure, and the importance of proper sizing to avoid efficiency losses and noise issues. Chris also shares expert advice on control strategies, the use of stepper type valves, and how to use manufacturer software for accurate component selection.

In this episode, we cover:

-Understanding high pressure valves

-Control strategies for high pressure valves

-Seasonal strategies for CO2 refrigeration systems

-Practical tips for maintenance and troubleshooting

-Valve selection and sizing

Helpful Links & Resources:

(Part 1) Episode 317. CO2 Piping Design (Tips to Protect Compressors and Prevent Failures) with Chris Griffiths

Episode 58. CO2 High Pressure Valves, Flash Gas Bypass and Ejectors controlled by a pRack300T

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

Episode 30. CAREL's CO2 Electronic Valves and CO2 Controllers with Timo Kaufhold

Learn more about Omega Solutions

Connect with Omega Solutions on LinkedIn

Connect with Chris on LinkedIn

Email Chris: chris@omega-solutions.co.uk

Join the Refrigeration Mentor Hub here

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

This is the first in a  CO2 Design Fundamentals series, starting off with a deep dive on technical piping design with Chris Griffiths, UK Technical Manager for Omega Solutions. We cover proper pipe sizing and design tips to avoid common pitfalls such as insufficient mass flow, oil return issues, and excessive pressure drops. Chris also shares real-world troubleshooting examples and info on software tools to help refrigeration technicians in the field fix issues more efficiently and understand CO2 refrigeration systems better.

In this episode, we discuss:

-CO2 design fundamentals

-Importance of proper piping design

-Key tips for protecting compressors

-Pipe sizing and oil management

-Practical troubleshooting examples

-Software tools

-Common issues and troubleshooting

Helpful Links & Resources:

Episode 47. What To Know When Sizing Refrigeration Piping

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

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

Danfoss Coolselector®2

Bitzer Software

Learn more about Omega Solutions

Connect with Omega Solutions on LinkedIn

Connect with Chris on LinkedIn

Email Chris: chris@omega-solutions.co.uk