[RE-wrenches] Microinverters with S-5-PV

Nick Soleil nsoleil at enphaseenergy.com
Tue Nov 26 10:22:37 PST 2013


Hi Jason,

Using the S-5 mini clamps does work with our microinverters, but you do
want to keep the microinverters off the roof.  Enphase recommends (in our
manual) a 3/4" distance off the roof.  The microinverter can cause the
seems to bend over, and inspectors may take issue if the microinverters get
too close to the roof.

If you use a taller S5 clamp, then the microinverter can run downhill,
parallel to the seems.  In that case, the microinverter will sit on the
seem, which we support 100%.

Another issue is wire management, which you brought up already.  Clipping
the cable to the module frames is a good practice.

An additional fender washer is not required below the microinverter.


On Tue, Nov 26, 2013 at 9:12 AM, Jason Szumlanski <jason at fafcosolar.com>wrote:

> Does anyone see a problem (NEC/UL/physical) with mounting microinverters
> to S-5 Mini clamps and mounting PV on S-5-PV Kits? The trunk cable could be
> supported with clips on the module frames. Wire management could become a
> bit difficult, but doable.
>
> This would be a pretty cost effective mounting method compared to rail
> mounting, I think. The micro would not have much of a base to sit upon, but
> maybe a fender washer between the clamp and the microinverter would be fine.
>
> Has anyone done this?
>
> Obviously AC modules work great in this scenario, but that's not always
> what the customer wants...
>
> Jason Szumlanski
> Fafco Solar
>
>
>
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-- 

Cordially,

*Nick Soleil*


*Field Applications Engineer*

*Enphase Energy*

Mobile: (707) 321-2937


*Enphase Commercial Solar.*
*Limitless.*<http://www.enphase.com/commercial?utm_source=email&utm_medium=sig&utm_campaign=Comm2012>


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E: nsoleil at enphaseenergy.com

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