The 30-hp R-410A Copeland Scroll™ compressor features CoreSense™ Communications modules, which provide commercial air conditioning customers advanced diagnostic and protection benefits. By using the compressor as a sensor, valuable system data can be accessed and monitored.
During my 50 years in the HVAC trade, I have found that most technicians do not spend time learning about the compressor and the a/c system as much as they should. In their defense, they are simply too busy to take the time once they are out of school.
Some people say that the compressor is the key component, or heart, of an air conditioning system. And like the human heart, the compressor must be kept in tip-top condition to run the system efficiently.
Some of the most common problems and solutions for smooth compressor operation can be found in training materials and on-the-job experience. There is also another method for educating HVAC contractors and service technicians — getting answers straight from the manufacturers.
Manufacturers continue to make advances in compressors, especially when it comes to efficiency and ease of maintenance. This roundup highlights some of the latest offerings to hit the market, as well as those that will be available later this year.
Bitzer’s ECOLINE R-134a Octagon Reciprocating Compressors are optimized for use with R-134a. The ECOLINE series increases energy efficiency up to 20 percent compared to traditional R-404A medium temperature systems, the company says.
With the potential to reduce refrigeration-related energy expenses by up to 10 percent, the Copeland Scroll® K5 Refrigeration Compressor is designed for large refrigeration applications (7.5 to 15 hp), says the company.
Tecumseh’s newest addition to its Masterflux product line is a Sierra variable speed compressor and system controller for solar-powered air conditioning applications.
A full lineup of fluid sensing and power products for residential and commercial HVACR applications is available. Residential components include condensate overflow switches and fluid level and flow sensors for a/c compressor coils; proximity and position sensors and reed switches for furnaces; and more.
Photos from the 2013 ACCA Conference & IE3 Expo in Orlando, Fla.
Podcasts
Cade Clark, assistant vice president of government affairs for the Air-Conditioning, Heating & Refrigeration Institute (AHRI), gives a brief overview of the new version of the Shaheen-Portman bill, what AHRI thinks of the energy-efficiency legislation, and how it might affect the HVACR industry if it becomes law.
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