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.
Danfoss will bring its Technology Theater to Phoenix on April 9; La Mirada, Calif., on April 11; East Elmhurst, N.Y., on April 24; and Cherry Hill, N.J., on April 25.
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.
Emerson Climate Technologies Inc. has announced the promotion of Brandy Powell to vice president of Variable Speed. In this role, Powell will be responsible for global strategy development, product line management, and new product development for Emerson’s variable speed compression technologies.
The high-efficiency, variable-speed CSV Series screw compressor features an integrated frequency inverter. The inverter is cooled by refrigerant and includes automatic, infinitely variable-speed control to ensure the right temperature profile at the lowest possible power consumption.
Bitzer U.S. Inc. launched new products at the Refrigeration Engineers Technicians Association (RETA) show in San Antonio this past November. The company announced it was assembling ammonia packages ranging from simple motor-compressor combinations on rails up to complete rotary screw compressor packages.
Torad’s Spool Compressor delivers a smaller size, lower cost, and high efficiency for air conditioning and refrigeration systems, says the manufacturer. The design is applicable for a wide range utilizing spool compressors from 3-150 tons.
Whether for air conditioning, heat pump, server-cooling applications, or industrial and process refrigeration, Bitzer’s CSV Screw Compressor provides maximum efficiency with the utmost precision and reliability, says the company.
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.