[RE-wrenches] Fronius IG vs IG Plus inverters

Tue Jun 28 10:45:20 PDT 2011

All

I have had good experiences with the IG Plus. It is easy to work with and
the different power stages make for a more efficient inverter. The IG
however is not very good in my opinion. The groundfault cards tend to go bad
due to poor ventilation. Dust and dirt tends to get trapped inside the
inverter. With that being said, Fronius always sent a replacement and was
very helpful anytime I called.

On Tue, Jun 28, 2011 at 1:35 PM, Howie Michaelson <howie at suncatchervt.com>wrote:

> William,
> Thanks for the clarification on the disconnect - I vaguely remember this
> issue with Fronius we used in the distant past.  As I remember, several
> manufacturers' early integrated disconnects were this way.
>
> All,
> Anyone else have a particularly poor track record with Fronius?  Worse
> with the IG vs. the Plus?
>
> Howie
> --
> Howie Michaelson
> NABCEP Certified Solar PV Installer™
>
> Catamount Solar, LLC
> Renewable Energy Systems Sales and Service
> VT Solar & Wind Incentive Program Partner
> http://www.CatamountSolar.com
> 802-272-0004
>
>
>
> On Tue, June 28, 2011 1:21 pm, William Miller wrote:
> > Howie:
> >
> > The IG has an integrated disconnect section, but it the electronics are
> > not
> > removable from the disconnect.  Therefore it is not safe to replace an IG
> > unless it is dark or you can tarp the modules.
> >
> > The Plus series has two chassis that mate.  You can turn of the DC and
> > remove the electronics for repair, which we have had to do all too often.
> >
> > We had an IG burst into flames and scared the heck out of the widow who
> > was
> > home alone.  She called the fire department and then called us.  Sure we
> > get replacement inverters for the asking, but we get tired of asking.
> >
> > Wm
> >
> >
> >
> > At 10:14 AM 6/28/2011, you wrote:
> >>Thanks for the feedback Kistopher.  1 question:  I thought that the IG
> >>also came with the integrated AC/DC disco as well as the IG Plus.  I know
> >>the IG doesn't come with the string fusing.  Am I missing something here?
> >>
> >>Thanks,
> >>Howie
> >>--
> >>Howie Michaelson
> >>NABCEP Certified Solar PV Installer™
> >>
> >>Catamount Solar, LLC
> >>Renewable Energy Systems Sales and Service
> >>VT Solar & Wind Incentive Program Partner
> >>http://www.CatamountSolar.com
> >>802-272-0004
> >>
> >>
> >>
> >>On Tue, June 28, 2011 1:00 pm, Kristopher Schmid wrote:
> >> > I have used both recently.  The IG Plus is nice for two reasons: the
> >> > integrated DC disconnect and the onboard string fusing/combining
> >> > capability.  Their tech support has been easy to work with and have
> >> > reimbursed me for labor when needed with no questions asked.
> >> >
> >> > On Tue, Jun 28, 2011 at 11:24 AM, Howie Michaelson
> >> > <howie at suncatchervt.com>wrote:
> >> >
> >> >> Hi All,
> >> >>
> >> >> Anyone care to relate the differences (pros/cons) of the Fronius IG
> >> vs.
> >> >> IG
> >> >> Plus inverters?  Haven't used either and haven't dealt with Fronius
> >> in 5
> >> >> or 6 years.
> >> >>
> >> >> Thanks,
> >> >> Howie
> >> >> --
> >> >> Howie Michaelson
> >> >> NABCEP Certified Solar PV Installer™
> >> >>
> >> >> Catamount Solar, LLC
> >> >> Renewable Energy Systems Sales and Service
> >> >> VT Solar & Wind Incentive Program Partner
> >> >> http://www.CatamountSolar.com
> >> >> 802-272-0004
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
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> >> >
> >> >
> >> > --
> >> > Thanks,
> >> > Kris Schmid
> >> >
> >> > Legacy Solar, LLC
> >> > 864 Clam Falls Trail
> >> > Frederic, WI 54837
> >> > 715-653-4295
> >> > www.legacysolar.com
> >> > solman at legacysolar.com
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> > William Miller
> > Miller Solar
> > Voice :805-438-5600
> > email: william at millersolar.com
> > http://millersolar.com
> > License No. C-10-773985
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-- 
Jimmy Thompson, Design Support
NABCEP PV Certified Installer
Southern Energy Management
(O) 919.836.0330
(F) 919.836.0305
(C) 919.795.6649
101 Kitty Hawk Drive
Morrisville, NC 27560
www.southern-energy.com
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