Compressors

Ice Breaker: Using a Compressor Analyzer

A Valuable Tool to Prevent Unjustly Condemning Compresors

Too often, compressors get replaced when an external component, such as a defective start relay, start capacitor, or overload, is the true cause. A technician must always check these components before condemning the compressor.


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The Professor: Diagnosing Compressor Motor Overheating

Performing a Three-phase Compressor Voltage Check, Step by Step

Voltage unbalances exceeding more than 2 percent in three-phase systems can cause current unbalance among the windings. These voltage and current unbalances can cause an increase in winding temperature and an overheating problem that can be detrimental to the motor.


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Jan. 19, 2015: Emerson Announces New Copeland Technical Specialist Program

The Technical Specialist at the Wholesaler Will Be the Go-To Expert for Contractors

Educational Services, a business unit of Emerson Climate Services LLC, a business of Emerson, has announced the introduction of the Copeland™ Technical Specialist Program, a five-stage program designed to establish Copeland product experts within wholesale branches to better serve contractor customers.


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Innovation Award Winners Take a Bow

AHR Expo Honors New Products

Representing all major segments of the HVACR marketplace, the winning entries were honored in 10 categories as the most innovative new products among the thousands that will be displayed at the Jan. 26-28 event in Chicago. 


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Daikin Applied Receives Danfoss EnVisioneer of the Year Award

Award Recognizes Game-changing Investments, Improvements in Energy Efficiency

Launched in 2010, the EnVisioneer of the Year Award competition recognizes North American end users, municipalities, building owners, or original equipment manufacturers that have introduced a new product, opened a new facility, or invested in a building or system upgrade within the past 18 months using Danfoss products or solutions to realize significant energy and/or environmental savings. 


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Multimedia

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2015 HARDI Fly-In

Highlights from HARDI's Congressional Fly-In in Washington, D.C. Post date: May 28, 2015.

Podcasts

NEWSMakers: Kevin Conrad
Kevin Conrad, president, Kevin Conrad Heating and Cooling Inc., Nantucket, Massachusetts, breaks down working in the New England climate, the benefits of insulation foam, and more.


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2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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