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Anonymous Poster

VSD Life Span

01/20/2009 9:27 PM

Hi,

Anyone idea the life span for a VSD ? Do location where the VSD install affect the Life Span ? Eg install in AHU room having longer life then at the Rooftop. Also do the speed in run away that ?

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Re: VSD Life Span

01/20/2009 10:21 PM

Sure--Dust and debris can plug the cooling fans and heat sinks--Vibration---Temperature--Moisture.

Just some of the things that I have had to replace drives for.

I don't understand: Also do the speed in run away that ?

One of the remedies we used were sealed air tight enclosures with pneumatic vortex coolers:

http://www.pneumatic-source.com/spotlight/index.php?p=90

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