Condensing Units

Tecumseh Rolls Out New Technology at Chillventa

By Peter Powell
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Tecumseh used last fall’s Chillventa expo in Nuremberg, Germany, to highlight a number of its developments in commercial refrigeration. Among the announcements made at the event, the company showed a new range of condensing units equipped with semi-hermetic compressors.


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Tecumseh Starts University, Trains Refrigeration Specialists

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Tecumseh Products Co., headquartered in Ann Arbor, Mich., said that it is focusing on increased technical training and support for its network of authorized North American wholesalers with the establishment of Tecumseh University.


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Danfoss: Capacity Controller

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The AK-PC 781 multifunctional pack controller makes it easy to set up energy-efficient capacity control of refrigeration compressors and condensers with modular hardware and flexible software that extends as system requirements grow or change.


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Danfoss: Capacity Controller

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The AK-PC 781 multifunctional pack controller makes it easy to set up energy-efficient capacity control of refrigeration compressors and condensers with modular hardware and flexible software that extends as system requirements grow or change.


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New Technologies Amidst Refrigerant Talk

By Peter Powell
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As the supermarket industry continues to embrace so-called ‘natural refrigerants,’ manufacturers also continue to seek improvements in energy efficiency with what they hope is easy to use equipment for service technicians. The FMI Food Retail Show was a major showcase for these developments at this year’s show in Dallas.


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MicroGroove Technology Makes Inroads

By John R. Hall
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Bigger is not always better, and one recent example is the new MicroGroove technology, which was introduced in 2010. This technology is defined by smaller diameter copper tubing with enhanced inner surfaces for the purpose of reducing refrigerant charge, minimizing material content and improving heat transfer.


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Beating the Heat With Hybrids

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Apache Junction, Ariz., is one of the harshest and hottest climates in the United States. Last winter Burke Alford, maintenance manager for the Safeway supermarkets, was faced with the dilemma of replacing another evaporative condenser. The company decided to consider a new hybrid condenser technology.


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Tecumseh Products Co.: Condensing Units

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Highly-efficient AK/AJ condensing units have been added to the Celseon® line of products. Each unit has an ultra-reliable, single-phase, PSC (permanent split-capacitor) motor, which does not require a starter (115V 60Hz and 208-230V 60Hz are available).


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New Products Displayed at the AHR Expo

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The NEWS reports on new products found by our editors at the recent AHR Expo in Chicago. Products are listed in alphabetical order within each category.


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Experts Share Anti-Corrosion Techniques

By Barbara A. Checket-Hanks
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A heavy hurricane and tropical storm season may bring more corrosion damage to HVACR systems than we normally see. Now, as many contractors start to clean up systems, and others are scheduling preventive maintenance customers, coil care and corrosion prevention should be high on the work list.


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