Step-by-Step Walkthrough of a Transcritical CO2 Ice Rink Chiller Plant

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Check out the YouTube Video – https://youtu.be/PucbyvIO3p8

This week we had Michael Wieshaar from Cimco Refrigeration who was live at a CO2 transcritical ice rink.  Michael walked us through the CO2 chiller plant step by step to give us an understanding of how this CO2 ice rink works.  Michael has been involved with this system from the start and has developed his CO2 skills very quickly by putting the work in.    


Why it is important to read the equipment and component manuals you work on for a successful install

Why working with your customers to build their confidence is so important.

Retrofitting an R22 ice rink to a CO2 Transcritical ice rink

3 major components:

  • Primary Plant CO2 Chiller loop
  • Cold Glycol Loop
  • Warm Glycol Loop

Reviewing the sequence of operation of the CO2 rack system

Discuss how the oil management works on the Chiller Plant

How quickly they pulled the slab temp down with CO2 

Overcoming system issues through proper troubleshooting

Learn More about Cimco –

Follow Michael Wieshaar –


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Supermarket Workshop Series Part 1 – Oil Management, Oil Components and Troubleshooting

Supermarket Workshop Series Part 2 – Head Pressure Controls and Strategies

Supermarket Workshop Series Part 3 – Refrigeration TEVs, Distributors and Troubleshooting

Supermarket Workshop Series Part 4 – Defrost Management, Components and Strategies

Supermarket Workshop Series Part 5 Electronic Expansion Valves & CDS Electronic Pressure Regulators

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