Tag Archives: variable-frequency

ecolog.com – EcoLog Environment News and Environment …

By melissa | Published: November 7, 2011
Whether they drive the fans and pumps of commercial HVAC systems or the conveyors of industrial production lines, motors controlled by variable frequency drives (VFDs) are vulnerable to electrical bearing damage. A savvy ...
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HVAC drives – Technology Sourcebook – Food Engineering

By melissa | Published: February 1, 2011
Danfoss VLT HVAC drives come with Smart-Start functionality and Firmware version 3.50 for on-board BACnet communication; an external BACnet module is also available. The variable frequency drives feature a modular design and are ...
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HVAC drives – Technology Sourcebook – Food Engineering

By | Published: February 1, 2011
Danfoss VLT HVAC drives come with Smart-Start functionality and Firmware version 3.50 for on-board BACnet communication; an external BACnet module is also available.
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Centrifugal Chillers On The Feasibility Of Frequency …

By melissa | Published: January 5, 2011
Unique control logic, synchronization, and degree of regulation guide vane switch Motor Speed, variable frequency drive through the transformation of plant operation with remarkable energy savings. Apply to hotels, hospital building and ...
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RFP : HVAC DDC System Installation in Georgia, United States

By melissa | Published: November 22, 2010
Project includes, but is not limited to labor, material, installation and programming of new DDC control system, variable frequency drive...
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HVAC DDC System Installation – Request for Proposal

By jorge | Published: November 22, 2010
Project RFP: HVAC DDC System Installation.
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Year of achievement, "Frequency King Case" Beauty Tips for Success …

By anthony | Published: September 4, 2010
In Yee Monitoring Report: 2009 in the first half, inverter air conditioner sales by leaps and bounds, cover 75% of the frequency of domestic market share.
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