Danfoss VFD Selection

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rao73 Active Contributor Join Date: Jan 2015 Location: pakistan Posts: 13	Danfoss VFD Selection 02/16/2015 7:03 AM
	please discribe the main diffrence between danfoss VLT automation drive, VLT AQUA Drive and VLT HVAC drive, and what is selection procedure. __________________ with best regards
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lyn Guru Join Date: Oct 2008 Posts: 42355 Good Answers: 1693	#1 Re: danfoss vfd selection 02/16/2015 9:06 AM
	Different names, brands, prices and features. A thorough literature evaluation by a qualified engineer, followed by demonstrations of the products by a tech rep, followed by an informed decision by a that engineer. In other words, if you have to ask, get competent help, this job is too much for you.
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rao73 Active Contributor Join Date: Jan 2015 Location: pakistan Posts: 13	#2 In reply to #1 Re: danfoss vfd selection 02/16/2015 9:52 AM
	they all are danfoss brand, just want to know main difference, how can we describes their selection for usage. __________________ with best regards
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Crabtree Guru Join Date: Jul 2007 Location: Commissariat de Police, Nouvions, occupied France, 1942. Posts: 2599 Good Answers: 77	#4 In reply to #2 Re: danfoss vfd selection 02/16/2015 12:59 PM
	Simple."We" pick up "our" telephone, and "we" talk to Danfoss directly. __________________ Good moaning!
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JRaef Guru Join Date: Sep 2006 Location: California, USA, where the Godless live next door to God. Posts: 4665 Good Answers: 804	#3 Re: danfoss vfd selection 02/16/2015 12:31 PM
	One is for water projects, one is for HVAC projects. The only differences are in the pre-loaded application profiles. So the Water version will not have application profiles geared toward fans, and the HVAC version will only have water based application profiles geared toward HVAC equipment such as cooling towers and circulating pumps. Other than that, they are exactly the same. __________________ All I every really wanted to be, was... A LUMBERJACK!.
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brich Guru Join Date: Oct 2009 Location: sometimes Wales,UK.. was Libya, now Oman! Posts: 1715 Good Answers: 117	#5 Re: Danfoss VFD Selection 02/17/2015 12:22 AM
	None really.. a VFD, Variable Frequency Drive, in a basic form is just that a device that varies the frequency output to a motor to control the motor RPM. (you understand the basics of a VFD yes?) Together Danfoss, and ONLY you as the engineer (you are the engineer in charge yes?) will be able to determine by reading the tech info (as suggested) or calling the local rep (as suggested) (they have a Danfoss distribution rep in Pakistan?) to decide which one is suitable fro your need. __________________ The square root of nothing is what you make it!
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brich (1); Crabtree (1); JRaef (1); lyn (1); rao73 (1)

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