One thing I always point out when it comes to "Code compliance"
issues is that we are required to install the equipment per
manufacturer's directions. I've had great luck with AHJs, by just
copying sections of the manual and show them we're doing it the way
it shows. One problem I see, is that the SQF is only CE listed
( European Union), not UL or ETL, though.
Good Luck,
R. Walters
Solarray.com
NABCEP # 04170442
On Jun 27, 2009, at 3:54 PM, Allan Sindelar wrote:
Wrenches,
For a community water supply, I will be installing two identical SQ
Flex systems, each with CU200 interface and IO101 for generator AC
backup capability, with 4 Sanyos on a pole-top rack. Because these
are community rather than private, I want to pull a permit.
I have done a number of SQ Flex installations, but never inspected.
In fact, conventional wells are never electrically permitted here
(and it shows). I know that the Grundfos equipment is not Listed,
and I expect to argue that nothing else for this application is
either. But I’m open to tips on how to do the best Code-
approximating installation, using “common sense” approaches.
Should I add an HU361RB to each, should I add an IO100 to function
as a disconnect, or can I rely on the IO100 switch to also serve as
array disconnect?
I’ll ground properly, use Grundfos’ surge arrestors, and ground to
a rod and also to the array poles as supplemental grounds.
I’ll use NM Flex between boxes, and transition from the sub cable
to THWN at the well head.
I’ll also have a P2Flow pressure transducer system with its own
independent 12V power supply on each pump system, for distant full-
tank shutoff.
Other suggestions, please, specific to Code compliance?
Allan Sindelar
[email protected]
NABCEP Certified Photovoltaic Installer
EE98J Journeyman Electrician
Positive Energy, Inc.
3201 Calle Marie
Santa Fe, New Mexico 87507
505 424-1112
www.positiveenergysolar.com
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