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Today we have Brett Wetzel who is the Troubleshooting and Technical Training Manager for CoolSys and the co-host of the Advanced Refrigeration Podcast. 

In this episode, Brett talked about his experience working on CO2 systems. 

From secondary pumped CO2 systems and CO2 Cascade systems to Transcritical booster system.  

Brett breaks down service calls and talks about things you want to look for when troubleshooting CO2 systems.  

What you will learn from today’s episode:

• Different types of co2 systems
• Service calls on a secondary or a cascade system
• Things you should look out for on a service call as a new technician
• The steps to do in shutting down the whole system
• The procedure if you accidentally open the liquid first on evacuating evaporator and cause dry ice

About Our Guest

Brett Wetzel has been in the Refrigeration trade for several years, with several years of experience as a service technician. 

He is qualified to install all kinds of air conditioning systems including chillers, split units, and refrigerant handlers, along with multiple other types of chillers and freezers. 

Experienced at electrical controls installations and maintenance. 

He has also worked inside homes building control panels and some project management. 

Specializing in small-scale installation projects throughout the Tri-State area

Get in touch with Brett Wetzel

LinkedIn: Brett Wetzel Advanced Refrigeration Podcast

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