Compressors

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

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

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

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

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

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

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

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

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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Compressors Efficiently Evolve With Time

While various aspects of HVACR technology seem to be lagging behind, compressors are keeping pace. And, of all the compressors being introduced, manufacturers are ensuring new offerings meet demands, operate intelligently, and, perhaps most importantly, perform efficiently.


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Oil-Free Compressors Gaining Steam

The emergence of oil-free compressors is offering manufacturers the ability to greatly reduce energy consumption, making them a viable solution in the commercial development sector.


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NEWSMakers: Kari Arfstrom

Kari Arfstrom, executive director of the HVACR Workforce Development Foundation, talks about the upcoming HVACR & Mechanical Conference. Posted on Jan. 23.

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