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Today we have Benoit Rodier from Cimco Refrigeration

Benoit is an expert in CO2 refrigeration and shares a ton of valuable knowledge with us.  

Get your pen and notepad out because there is a ton of great information throughout this episode.

In this episode, you'll learn:

• Understanding the diversity factor when sizing a CO2 system
• What you need to know when designing a CO2 system vs a synthetic system
• How and why CO2 can be more efficient than other refrigerants
• Benefits of using heat reclaim with CO2 systems for portable water and building comfort
• How to use Simple CO2 software
• Why push the pressure higher to achieve a higher COP
• Differences and benefits of direct CO2 systems vs indirect CO2 systems for ice rinks.

About Our Guest

Benoit Rodier is the Director of Business Development at Cimco Refrigeration.

He has been involved in industrial refrigeration for more than 25 years. 

Until today, Benoit is driven by the passion for evolving, doing something new, and developing a new strategy and new ways of doing things in an industry of 150 years.

Connect with Benoit Rodier

LinkedIn: Benoit Rodier

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Balancing a career, family life, and personal goals can be challenging for most of us technicians.

In today's episode, I want to touch on personal development as a Refrigeration Professional technician, because I believe that's very, very important.

As a family man and a technician, the difficulty comes in finding the time to focus and level up our skills while managing expectations from us.

In this episode, you'll learn:

• Preparing yourself for the next step after 10 to 15 years as a technician
• Balancing your personal and professional life
• Leveraging your expertise by helping other technicians
• Succeeding in your career while managing the needs and expectations placed on you as technicians
• Reaching your full potential, becoming future-ready, and succeeding in all aspects of your lives
• Keeping your focus on your goals - at home and at the field

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Grab your pen and paper today because this session is fully loaded with so much valuable information that would level up your career as a technician in the refrigeration industry.

In this episode you'll learn:

• Training on CO2 systems and things you need to know as a technician
• How to set up and troubleshoot a gas cooler
• Why it is important to take oil samples often
• How dry ice can be created in a system during the evacuation process and things to do to mitigate this.

About Our Guest

Lars Hørup Jensen is the Aftersales Engineer of Advansor.

He makes sure that refrigeration systems with harmful substances are being replaced with a sustainable choice, to participate in heat pumps getting installed in district heating systems and pushing away fossil energy.

Connect with Lars Hørup Jensen

Linkedin: Lars Hørup Jensen

Check out Advansor's CO2 YouTube - https://www.youtube.com/c/AdvansorCO2 Check out Advansor's Free Training - https://www.advansor.com/customerportal

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Today, I will discuss thermostatic expansion valves or thermal expansion valves.

TXV can raise or lower the amount of energy used by the compressor.

And it’s main purpose is to controls the superheat of the evaporator  

In this episode, you'll learn:

-The importance and benefits of thermostatic expansion valves -How to troubleshoot TXV -What is the difference between external equalizing valves and internal equalizing valves -How much closing force should be on TXV -Understanding thermostatic expansion valves on a deeper level

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Today, we have Wynand Groenewald, the founder and CEO of Future Green Now.

We had the opportunity to talk about the huge amount of benefits heat pumps and chillers have when using CO2 (R744) refrigerant over synthetic refrigerants.

• Controlling the high pressure valve and force the system to run in Transcritical with a CO2 heat pump
• How to determine the discharge pressure
• What happens on rejecting heat from your CO2 
• What is allowing you to get maximum capacity out of your system

About Wynand Groenewald

Wynand Groenewald is the founder and CEO of Future Green Now.

His passion is natural refrigeration. He wants to play as big a role as possible in promoting, training, designing, and implementing solutions for natural refrigeration systems so that the industry are enabled to move towards a more sustainable refrigeration base. His career has been dedicated to CO2 as a refrigerant since 2007. For the last 13 years, Wynand has been involved with multiple first-of-its-kind CO2 refrigeration solutions for the retail and industrial industry within South Africa and also Australia, the United States, and Asia.

Connect with Wynand 

Linkedin: Wynand Groenewald

Learn more about FGN - www.futuregreen.co.za

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There are new designs of condensers coming out like micro-channels which are new to refrigeration.

Condensers are something that I'm still learning about and I heard different opinions about them.

But what you need to understand is what's happening in the condenser and why that's happening.

In this episode you'll learn about condensers:

-What do condensers do in refrigeration systems? -Understand the different components of condensers in the refrigeration -What happens when the condenser fails -Checklist on condenser maintenance -Troubleshooting condensers -Importance of building relationships with customers -Investing in training and learnings to level up your skills as a technician

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• The differences between HFC and CO2, and how it takes longer to pump down a CO2 system because of the heat capacity
• Key things you should know about defrosting on some of the systems he worked on.
• This he learn with defrost and some troubleshooting on the system he worked on like Systems LMP https://evapcolmp.ca/en/products/puri..., Hill Phoenix/Advansor https://www.hillphoenix.com/product/s... Carnot https://www.carnotrefrigeration.com/en/
• How he did a lot of research on CO2 systems before installing and servicing
• How he took any manufacturing training that was available and how he read as many manuals as he could find to totally understand the system.
• Why it is so important to know the control systems that you are using.
• Tip on Max Operating Pressure for a Micro Thermo System http://solutions.parker.com/MicroTher...
• Why it is important to have an internal training program on CO2 systems and get your technicians familiar with the system before taking on-call on those systems
• Understanding the sequence of operation of that specific CO2 system
• Challenges when working on CO2 system and what to do to overcome those challenges.

About Our Guest:

Mike Harding is General Foreman at Gateway Mechanical Services in the Northern Alberta branch.

Specializing in supermarket refrigeration datacenters and commercial HVAC.

He's a true believer in training and development.

He runs a team, with a crew of over 55 technicians and helps all of them grow and succeed.

Connect with Mike Harding:

Linkedin: Michael Harding

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World Refrigeration Day is every June 26th and it is an international awareness campaign to raise the profile of the refrigeration, air-conditioning and heat-pump industry.  Refrigeration is at the very heart of modern life and it enables people to work, travel and live comfortably. It also saves lives. This is a day that everyone on the planet needs to celebrate.

I was extremely grateful and proud that many people from around the globe took the time to hang out with me to talk about Why Cooling Matters to all of us. 

World Refrigeration Day Website

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You Need To Know About Refrigeration Compressor Electrical Issues

Today we'll get into more on the electrical aspects of compressors.

One of the things where misdiagnosis happens which many technicians failed to understand especially the different types of electrical failures.

So, today you will learn:

• Different types of electrical failures
• Causes of electrical issues on compressors
• Cause and Effect of slugging on compressors
• What are the precautions during electrical issues
• Troubleshooting electrical failures on compressors

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Understanding CO2 compressors can be confusing and overwhelming at the same time, but don’t let the jargon scare you.

What is a CO2 compressor, and how do they differ from other refrigeration systems?

How do you choose one?

What about maintenance?

In today's episode, we will address these questions and more with our special guest who has been in the refrigeration industry for quite some time.

What you’ll learn in today’s episode:

• Get to know our guest speaker who has been in the refrigeration industry since the mid-80s 
• Know about Bitzer Canada, one of the largest CO2 compressor manufacturers in North America
• What are the biggest differences between a synthetic refrigerant compressor and to CO2 compressor
• The difference between a transcritical CO2 compressor and a subcritical CO2 compressor
• How to mitigate having low superheat and what to do about the dischargeLearn about the oil systems and oil management
• What are pressure relief valves
• Modulation or capacity control on the compressors
• Failures on CO2 compressors and how to mitigate them
• Drives in the lead compressors and what a technician should do to get better in handling it

About Our Guest:

Phil Boudreau is the Sales Manager, Training and Technical Support Sales Manager, Training and Technical Support of Bitzer Canada Inc.

He has 29 years experience providing sales, training and technical support for contractors, manufacturers, engineers and wholesalers.

With Knowledge in the field of halocarbon, ammonia and CO2 refrigeration components and systems.

Connect with Phil:

Linkedin: Phil Boudreau

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