HVACR Fundamentals | The refrigeration cycle explained
Emerson's lead technical trainer, Don Gillis breaks down the refrigeration cycle step-by-step.
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HVACR Fundamentals Videos
In this series, Copeland's lead technical trainer, Don Gillis, breaks down various HVACR fundamentals and what you should know working in this industry.
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HVACR Fundamentals | What does DLT really tell us?
Learn about what different discharge line temperatures (DLT) mean in a refrigeration system with Don Gillis, lead technical trainer at Emerson.
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HVACR Fundamentals | Why is compressor overheat such a problem?
Have you experienced compressor overheat? Discover the effects of compressor overheat on a refrigeration system with Don Gillis from Emerson's Educational Services.
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HVACR Fundamentals | What is the difference between GWP and ODP?
Don Gillis, lead technical trainer at Emerson, describes the difference between ozone depletion potential (ODP) and global warming potential (GWP).
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HVACR Fundamentals | What is the difference between floodback and migration?
Learn the difference between floodback and migration from Don Gillis, lead technical trainer at Emerson.
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HVACR Fundamentals | How does a refrigeration/AC evaporator work?
Learn about the function of an evaporator in a refrigeration system with lead technical trainer at Emerson.
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HVACR Fundamentals | What does a suction accumulator do?
Lead technical trainer at Emerson, Don Gillis explains the purpose of a suction accumulator and its function in a refrigeration system.
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HVACR Fundamentals | What does DLT really tell us?
Learn about what different discharge line temperatures (DLT) mean in a refrigeration system with Don Gillis, lead technical trainer at Emerson.
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HVACR Fundamentals | Where do we check superheat?
Learn where to check superheat in a refrigeration system and how to understand the temperature readings with Don Gillis, lead technical trainer with Emerson's educational services.
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HVACR Fundamentals | How does a TXV work?
Learn how a thermal expansion valve (TXV) operates in a refrigeration system with Don Gillis from Emerson's Educational Services.
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HVACR Fundamentals | What is subcooling?
Don Gillis, lead technical trainer at Emerson, explains what subcooling is and where it occurs in a refrigeration system.
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HVACR Fundamentals | How does a refrigeration compressor work?
Learn how a refrigeration compressor works from Don Gillis, lead technical trainer with Emerson's educational services.
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HVACR Fundamentals | What does a condenser do?
Condensers play an important role in a refrigeration system. Learn about what a condenser is and its primary function in the system with Don Gillis from Emerson's educational services team.
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HVACR Fundamentals | What is dew point?
Don Gillis, lead technical trainer for Emerson, explains what dew point is and gives an example of how to differentiate between bubble point and dew point.
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HVACR Fundamentals | How is Emerson helping address the technician shortage in the HVACR industry?
Don Gillis, lead technical trainer with Emerson's educational services, shares his insights on how Emerson is preparing the next generation of HVACR technicians.
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HVACR Fundamentals | What is superheat?
Learn about superheat — what it is and how it occurs in a refrigeration system with Don Gillis, lead technical trainer at Emerson.
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HVACR Fundamentals | What is refrigerant "glide"?
Don Gillis, lead technical trainer at Emerson, explains what refrigerant glide is and how to achieve it with various refrigerants.
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HVACR Fundamentals | What is vapor injection?
Don Gillis, lead technical trainer at Emerson, defines vapor injection and its relationship with compressors in a refrigeration system.
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HVACR Fundamentals | How low should you go on compressor pump down?
Don Gillis, a training expert at Emerson, discusses different variables when determining how low you should go on compressor pump down.
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