Grundfos submersible pump compliance with NEC [RE-wrenches]
Jay Peltz, Peltz Power
jay at asis.com
Thu Apr 17 06:55:48 PDT 2008
<x-flowed>
Hi bob,
You might have do install a "standard AC" pump for the inspection and
then when it doesn't work, replace it with the SQflex.
But I don't know of any UL listed hi efficiency pumps.
jay
peltz power
On Apr 17, 2008, at 5:55 AM, Bob Clark wrote:
>
> Wrenches:
>
> I think we have run up against an impassible roadblock.
>
> Our Washington State AHJ is looking for a UL listing for a Grundfos
> 6 SQF-2
> pump with the CU200 controller before he will sign-off on his
> inspection.
> This is a stand-alone pumping system for stock watering at least
> one mile
> (if not closer to 2 miles) from the nearest power line, let alone the
> nearest dwelling. It is, however, not a low-voltage, exempt
> system. Any
> information we have indicates that this pump and controller have CE
> listings
> (but not UL). The inspector will not accept a CE listing. [I
> gather this
> is not an unusual stance regarding a CE listing.] I believe we are
> able to
> address the other issues (some seem to be non-issues, but he has
> the last
> word) he has identified in his inspection, but this one has us
> stumped.
>
> Grundfos USA has called the home office in Denmark about this
> issue, but I
> do not think they will be able to help with this Washington State code
> compliance issue.
>
> Suggested alternatives, please. Pull the pump and controller and
> replace
> with a UL-listed set-up which would be XXXXXX model pump and
> controller?
> [$$$$$$$$$ and what do we do with the Grundfos pump and
> controller?] Of
> course, we have a short turn-around time in which to “remedy” these
> issues,
> so any creative, (but legal) solutions you can offer will be greatly
> appreciated.
>
> Bob Clark
> SolarWind Energy Systems, LLC
> bclark at solar-wind.us
>
>
>
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