Grundfos submersible pump compliance with NEC [RE-wrenches]

[Matt Tritt]

Bob,

Is this not a low voltage-exempt system because of the array voltage required exceeding 48 volts nominal?

Matt T
---- Bob Clark <bclark at solar-wind.us> 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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