Refrigeration - Articles - Page 185

Bitzer Dedicates New Plant in Georgia

Old Facility Will Be Used for Training and Production

June 24, 2013

Fresh on the heels of the announcement of an expansion of one of its plants in Germany, Bitzer is celebrating the opening of a new factory in Flowery Branch, Ga., where Bitzer U.S. is headquartered. The company makes refrigeration and air conditioning compressors as well as pressure vessels.

A Modern Marvel

Refrigeration Gets Its Props

Peter Powell

June 24, 2013

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At last. Some props to refrigeration in supermarkets. In the interest of full disclosure, I should say that I saw the kudos recently at midday on a weekday (when many, including myself, should have been working), on a cable TV show (“Modern Marvels”) on the History Channel.

Emersonâs Electronic Unit Controller is designed to better maintain lower-pressure control on condensing units.

Examining Condensing Trends through Practical Applications

HVAC Contractors Put High Ambients, Low Pressures, and New Refrigerants to the Test

June 10, 2013

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As familiar as condensing units are in refrigeration systems, these components are undergoing major changes. Several of those changes are being demonstrated in a number of practical applications nationwide.

Coils 101: A Basic Review

A Brief Look at A Coils, Slant Coils, and H Coils

June 10, 2013

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There are several designs for airflow through the evaporator coil, and for draining the condensate water from the coil, depending on the installation. The different designs are known as the A coil, the slant coil, and the H coil.

All-copper brazed heat exchanger with thin-wall multichannel coils. (Photo courtesy of Russ College of Engineering and Technology at Ohio University)

Microchannel Coils Heading Toward Refrigeration Applications

Residential Market Expands to Commercial HVAC; Refrigeration on Deck

Peter Powell

June 10, 2013

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Those small-diameter coils — with names like MicroGroove, microchannel, and micro-multichannel — have gained a beachhead in residential heating and air conditioning, and are advancing in commercial HVAC, with refrigeration on the horizon.

Key personnel in the IIAR transition are, from left, Bruce Badger, who is retiring as president this June; Bob Port, who will serve as chairman until March 2014; and David Rule, who becomes president upon Badgerâs retirement.

Transitions Abound at IIAR Conference

IIAR Elects New Chairman; COO Announces Retirement

Peter Powell

June 10, 2013

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International Institute of Ammonia Refrigeration (IIAR) is experiencing a double transition in 2013 as it elects a new chairman and bids fairwell to its retiring Chief Operating Officer.

Tecumseh Products Co.: Outdoor Air-Cooled Condensing Units

June 10, 2013

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Designed specifically for refrigeration applications where reliable cooling is required under varying loads and operating conditions, the Generation III outdoor air-cooled condensing units contain one of the manufacturer’s compressors built to handle the rigors of commercial refrigeration.

June 7, 2013: Magnetic Refrigeration to be Launched by Cooltech

Company Raises Capital for Launch, Refrigerated Counter Sector to be First Market

June 7, 2013

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Cooltech Applications announced that it has successfully raised €8 million to enable the final industrialization stage of its magnetic refrigeration technology, which is expected to achieve international commercialization by the end of this year.

A service technician can use an electronic leak detector in the water drain area for the water-cooled condenser.

The Professor: Leak Checking a Water-Cooled Condenser

Locating Refrigeration Cycle Leaks May Be Easier Than You Think

John Tomczyk

June 3, 2013

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When a refrigeration system has lost most of its refrigerant charge in a short period of time, the leak is probably significant and should be easy to find.

Natural refrigerants such as propane are drawing increasing attention as with this booth display by Embraco at the AHR Expo in Dallas and with its evaluation in an AHRI report.

Looking Beyond Low GWP

Environmental Regulators Should Consider Refrigerant Performance as well as Global Warming Potential

Peter Powell

June 3, 2013

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Now that the battle regarding ozone depleting potential (ODP) refrigerants has ended with the phaseout of CFCs and HCFCs, the fighting has shifted to issues related to the global warming potential (GWP) of the remaining and newly developing refrigerants.