Condensing Units

Emerson Climate Technologies: Refrigeration Condenser Electronic Unit Controller

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The Electronic Unit Controller is designed for Copeland® condensing units with low-pressure controls. According to the manufacturer, electronic pressure-sensing accuracy maintains a tighter low-pressure control tolerance.


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Ice Breaker: Fan Cycling Controls

By Joe Marchese
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Many refrigeration systems are installed using an outdoor air-cooled condenser. When these systems are installed in a climate where the outdoor temperature drops below 60°F, some means of preventing the condensing pressure from dropping too low must be incorporated into its design.
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White Paper Updates Refrigeration Regulations

By Peter Powell
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It is one thing to install efficiently running refrigeration equipment. But it also has to be energy efficient - according to a wide range of standards. That’s why Emerson recently issued a white paper called Status of Energy Regulations for Commercial Refrigeration Equipment.
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Ice Breaker: Read and Record

By Joe Marchese
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When a refrigeration system fails, many times the cause can easily be diagnosed. However there are occasions when the cause cannot easily be determined - either the true cause is unclear or the technician is unsure of a problem. How do you work through these jobs? One method used by some techs is to “read and record.”
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White Paper Updates Refrigeration Regulations

By Peter Powell
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It is one thing to install efficiently running refrigeration equipment. But it also has to be energy efficient – according to a wide range of standards. That’s why Emerson recently issued a white paper called Status of Energy Regulations for Commercial Refrigeration Equipment.
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Air-Cooled Condenser Coil Leaks Problem

By Thomas L. Jacobs
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Some years ago it was common for air-cooled condensers to develop leaks, resulting in unpredictable shorter service life. By studying the causes, it’s possible to come up with solutions. It became obvious that vibration was the major culprit, and thermal expansion/contraction creates some specific problems where the hot gas first enters the coil.
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Stop, Shop, and Save Energy

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When Stop & Shop was looking for ways to incorporate sustainable technology into its new multimillion dollar West Hartford, Conn., store, it focused on energy savings and a reduced carbon footprint. In fact, the store, which opened in December 2010, is a 38,000-square-foot model of sustainability.
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Two Challenges, Two Condensing Solutions

By Peter Powell
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Two refrigeration contractors were facing different challenges. In one situation, a restaurant in New York City needed to add refrigeration capacity for walk-in freezers and coolers, but in a constrained space. In another instance, a chain of restaurants was dealing with aging refrigeration equipment and the need to improve operating systems.
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The Professor: Going Chlorine-Free in Retrofits

By John Tomczyk
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Ferris State University’s Commercial Refrigeration Laboratory has gone totally chlorine-free. By replacing the refrigerant HCFC-22 that was in two medium-temperature commercial refrigeration cases in the laboratory, the students in the associate degree program in HVACR can boast that the lab is now chlorine-free.
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Hybrid Condenser Reaches New Frontiers

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New Frontiers Natural Marketplace decided to test the claims of refrigeration equipment manufacturer Muller Industries by having three of its 3C hybrid condensers installed at the store in San Luis Obispo, Calif.
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NEWSMakers: Rajan Rajendran

Rajan Rajendran, newly appointed director of the Emerson Innovation Center, talks about the new $35 million facility and how it will function on the University of Dayton campus. Posted on Aug. 29.

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