Refrigeration

Refrigeration Technology Considered at EnVisioneering Symposium

Event Also Looks at Regulatory Challenges
November 18, 2013
Danfoss’ periodic EnVisioneering symposia look at a wide range of HVACR issues and topics. For its most recent event this past fall in Baltimore, the focus was on refrigeration, both in terms of regulations and the latest in technology. 


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Changes to Compressors, Detectors, Freezers

Developments Reflect Changes in Refrigeration Technologies
November 18, 2013
The constant change in refrigeration technologies is reflected in recent developments in compressors, leak detectors, and absorption freezers.


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New Websites for Refrigeration Manufacturers

Hussmann, Hussmann Mobile, Krack Undergo Upgrades
November 18, 2013
Hussmann has announced the launch of new websites for Hussmann, Hussmann Mobile, and Krack Corp. According to a statement from the companies, the new websites help enable excellence in food retailing by providing comprehensive information tools for retailers and other customers.


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Donation Aids Military Vets

Aim Is for ‘Fast Track’ Tech Training
November 18, 2013
On behalf of Scotsman Ice Systems, Scotsman Industries has donated $10,000 to support A Legacy for Learning Corp.’s scholarship program, which provides tuition for unemployed and underemployed military veterans to enroll in a fast-track basic technician training program in commercial foodservice equipment repair. 


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Where Does Refrigeration Figure into a Supermarket’s Plan?

For Some, Refrigeration Is Just Another Blip on the Map
November 18, 2013
The photograph with this column was taken from the balcony of a supermarket in the Baltimore area during a tour of several stores at the Food Marketing Institute Energy and Store Development Conference. Notice the massive amount of floor space and products on display.


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The Professor: Refrigerant Undercharge

Dealing With R-134a Shortfall in a System
November 4, 2013

John Tomczyk, Professor of HVACR at Ferris State University and co-author of Refrigeration and Air Conditioning Technology, discusses refrigerant undercharge.


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Ice Breaker: Relief Valves 101

Safety Device Helps Protect Equipment, Workers
November 4, 2013

Relief valves are used to release abnormally high pressure inside a vessel before that pressure causes the vessel to erupt. 


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New Directions in Refrigeration

Cooling Uses Water, Magnetics, Stand-alone R-32
November 4, 2013

With all the talk in recent years, and even more so in recent months, regarding refrigerants like CO2 and hydrocarbons (HCs) making inroads in refrigeration equipment, the trends in the ‘R’ of HVACR are even more widespread. 


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Converting Constant to Variable Volume

Variable-Volume Conversion Can Offer Significant Energy Savings
November 4, 2013

Converting a constant-volume RTU to variable volume can save anywhere between 20-50 percent in energy savings if done correctly. 


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Detecting Costly Refrigerant Leaks

Balancing Environmental Responsibilities, Energy Savings, System Resiliency
October 21, 2013
Over the course of recent years, the HVACR industry has been focused and made strong progress on developing and advancing refrigeration equipment and systems responsible-use practices.


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