Articles Tagged with ''VFD-driven motors''

The Need for Bearing Protection for Inverter-Duty Motors

All major manufacturers of three-phase ac induction motors offer “inverter-duty” or “inverter-ready” models, but while these motors have inverter-rated insulation to protect the windings, the bearings — their most vulnerable parts — are too often ignored. 


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2014 World Energy Engineering Congress

Scenes from the 2014 World Energy Engineering Congress in Washington, D.C.

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NEWSMakers: Cynthia Hutson

Cynthia Hutson, chairperson of ACCA of Central Ohio, talks about the organization’s Heat the Town events, the importance of carbon monoxide checks, and what is coming up for ACCA. Posted on Nov. 21.

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ACHRNEWS

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2014 November 24

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R-22 SUPPLIES

Now that EPA has finalized its R-22 phaseout plan, with a large drop in 2015, do you think there will be an adequate supply next year?
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HVACR INDUSTRY STORE

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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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