Compressors

Emerson Climate Technologies: Commercial A/C Compressors

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For the commercial air conditioning sector, two new sizes — 9 and 10 hp — of Copeland Scroll™ compressors are available. 


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Contractors See Benefit of a Smarter Compressor

Recent Survey Gauges Contractor, Wholesaler Knowledge of Compressor Electronics
By Matthew Neidlinger
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Some contractors and wholesalers are concerned about how to sell the value of compressor electronics to homeowners, but about a quarter surveyed see no barriers to selling whatsoever.


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Bitzer U.S. Inc.: A/C and Heat Pump Scroll Compressors

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Five models comprise the GSD 6 Scroll Compressor Series. Their capacities are in the 10- to 20-ton range. 


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Danfoss: R-410A Scroll Compressors

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Available in six models with cooling capacities that range from 7.5 to 15 tons of refrigeration, WSH Series R-410A scroll compressors are optimized to operate at low temperature ratios, resulting in higher efficiency at part-load conditions. 


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Bitzer Expansion Includes More Training Space

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The compressor manufacturer Bitzer has invested 30 million Euros (about $39.3 million) for construction of new buildings to house production, a warehouse, and dispatching in Schkeuditz, Germany. The improvements will also include more space for training.


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Emerson Climate Technologies Inc.: Compressor Retrofit Kit

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The Copeland Scroll™ Digital retrofit kit is designed to help contractors take advantage of the precise capacity, temperature, and humidity control offered by the Copeland Scroll Digital compressor. 


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The Professor: Three-Phase Motor Voltage Unbalance

Troubleshooting an Overheating Compressor
By John Tomczyk
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Compressor overheating is usually caused from high compression ratios. High compression ratios can be caused from a combination of high condensing pressures (temperatures) and low suction (evaporating) pressures.


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Ice Breaker: Compressor Floodback

Troubleshooting Compressor Floodback Issues
By Joe Marchese
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Determining that a compressor has failed on a refrigeration system is normally a relatively simple procedure. But, discovering why the original compressor failed may not be as simple. 


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Hyper Engineering Pty. Ltd.: Electronic, Software-Driven Soft Starter

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Reducing the locked rotor amperage (LRA) or in-rush current on compressors and motors by 70 percent, the Sure-Start is an electronic, software-driven soft starter that assists in the prevention of brownouts caused by the increased use of equipment during peak periods, said the company.


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Diagnosis, Maintenance Key to Longevity

By Matt Bishop
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With the compressor being such a critical element to a system, proper maintenance and repair becomes crucial to compressor and system longevity. But, equally important is correctly diagnosing the problem, ensuring that the problem lies with the compressor.


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