Hello Wrenches,What options other than WinVerter are available for local data monitoring and display of an Outback system? The components are two FX's, two FM80's, AGS and FNDC. It would be ideal to monitor all components but most importantly the Flexnet DC.This installation is in a motorhome and s
On Jan 8, 2010, at 9:39:59 PM, frenergy wrote:
Don,
Seems the benefit of using % charge would go out the window if your
batteries were sulphatedjust when you would need the voltage based/temp
comp logic the most. No experience with your proposal though.
Bill
Feather River Sola
Larry,
You might try looking at WattPlot. It's a competitive product to
Winverter that may be closer to what you are looking for. Like
Winverter it utilizes the RS232 connection on the mate to collect
realtime data and display it so a computer has to be operating to use
it. This isn't an en
Kirpal,
Have you checked out the SolarBOS disconnecting combiners? Their 28A version
might be ideal for large resi or small commercial applications. For larger
projects, Blue Oak PV Products and AMtec Solar also have disconnecting
combiners.
Thanks for sharing the updated Square D tech note. I ha
(Unless, of course, you are working with a transformerless inverter and an
ungrounded array, in which case both the positive and negative conductors
would need to be switched, since both are ungrounded.)
On 1/10/10 9:10 AM, "Drake Chamberlin"
wrote:
> At 05:14 PM 1/9/2010, you wrote:
>> I recen
Can someone recommend a PV integrator on Kona area of the Big Island? I have
a friend who is in the early stages of designing his retirement home and he
wants to incorporate PV into his design. He is leaning towards a standing
metal roof and Unisolar PV laminate and of course SDHW. Any help would b
Thanks, Mr Brearley..i have looked into the Solar Bos disconncecting
combiners and also the Blue Oak..both look very well designed and we
look forward to using them when we have a project where it makes
sense.small and medium residential projects dont pencil out for us based
on the pric
Kirpa:
Have you considered using the Outback PSPV combiner with the 600 VDC
touch-safe fuse holders and appropriate fuses? I belive this configuration
meets the 600 VDC rating.
William Miller
At 12:08 PM 1/11/2010, you wrote:
Thanks, Mr Brearley..i have looked into the Solar Bos disc
David and Kirpal,
It is ultimately up to the AHJ whether or not they accept the
Schneider/Square D self certification. That is a judgment call the installer
needs to clear with the AHJ. That being said, having Square D behind the
rating of a switch is a whole lot more than any one of the smalle
Thanks, Bill.
Glad to hear you think the HU series is still a good option.
When I was making the rounds at SPI, I stopped by the Eaton booth and got
the sense that they were gunning for Square D. They made light of Square D¹s
self-certification of the HU series discos. The rep also made a stateme
In response to this: "Luckily the latest inverters from most manufacturers
take care of this need with their included/integrated but seperated fused DC
disconnects."
I actually wish the integrated disconnects for the new inverters were an
option when purchasing, i.e. when I order the inverter
William.we love the Outback FWPV12 and 8...a good improvement
over the PSPV..we use them high voltage apps, but alas..don't
open fuse under load.thats why we need a version which is
disconnectable..
Cheers,
--
Sunny Regards,
Kirpal Khalsa
NABCEP Certified Solar PV Installe
Title: Re: [RE-wrenches] Square D DC disconnects
The testing for the HU series switches was
performed by Square D according to a procedure that I wrote when
working with SMA. The procedure was reviewed and accepted by UL as
valid for the dedicated purpose of PV disconnect when used with the SM
Title: Re: [RE-wrenches] Square D DC disconnects
David,
The NEC doesn't require UL listing. The most appropriate section of
the code about this is Article 110, Requirements for Electrical
Installations, it requires equipment to be approved. In many
jurisdictions, such as Oregon, that means e
David,
The state by the Eaton guy at SPI shows that person's lack of understanding.
The person I talked to was adamant that all disconnects had to be tested to
the disconnect standard that assumes a high (10,000-amp) current source
behind any fault. Switch openings are also tested based on the
Right, Kent, but 690.4(D) does require the use of products ³identified and
listed for the application.² So, for example, UL-listed combiner boxes are
required per NEC 2008, whereas integrators could previously site build
combiners using UL-listed parts. The appropriate listing for a PV combiner,
ev
Thanks for the clarification, Bill. If they add this to UL1741, I hope they
will do so in a manner that recognizes the unique characteristics of PV
applications. Definitely easier to interrupt a 10A source than a 10,000A
one.
On 1/11/10 6:43 PM, "Bill Brooks" wrote:
> David,
>
> The state by
Kirpal:
Can't you disconnect the load at the inverter and then go back to the array
to disconnect the feeder?
William
At 04:01 PM 1/11/2010, you wrote:
William.we love the Outback FWPV12 and 8...a good improvement
over the PSPV..we use them high voltage apps, but alas..don't
Title: Re: [RE-wrenches] Square D DC disconnects
Not sure why the following reply which I posted a
couple of hours ago never got posted on the list. I can offer more
detail as to the considerations the test process must be given for this
application if anybody is interested.
Begin previous me
Yes, we could do that...however during instances of testing, trouble
shooting, or in the event of a fire it can be helpful to have a wayto quikly
disconnect the inverter from the combiner/fusing *at* the array. In most
standard electrical work having a disconnect located not in line of sight
f
Heyall;I have a customer eyeing their new OB VFX3648 for their Boiler (Munchkin (sp?)) malfunction. anyone seen this or any similar issues? thanks. dbDan BrownPresidentFoxfire Energy Corp.Renewable Energy Systems(802)-483-2564www.Foxfire-Energy.comNABCEP #092907-44
__
I seem to remember someone having problems and it was that the voltage of the
outback would sag when operating just very small control currents.
--- On Mon, 1/11/10, d...@foxfire-energy.com wrote:
> From: d...@foxfire-energy.com
> Subject: [RE-wrenches] OB VFX3648 vs Munchkin?
> To: "RE-wren
Hey Dan,
I have had a persistent issue with a Boderus low mass boiler at one of my
off-grid clients (dual stack VFX3648's, FM80, FNDC, etc. It goes into
error sporadically, perhaps after a longer generator (Kohler 12 kW
propane) charge run, maybe as it (the generator) shuts off. We tried to
isol
Dan,
Long-winded response compendium below. This is my record of a on-list
and off-list Wrenches discussion of a similar boiler issue on one of
our jobs, about a year ago. The issue never got resolved with Magnum or
Buderus, but when the customer's hydronic contractor changed to a
different boi
I got into that one a few years ago with an inspector.
He cited 110.2.
"Approved" according to article 100 means: acceptable to the AHJ.
So put article 100 into 110.2 and you get:
"Conductors and Equipment required or permitted shall be acceptable only if
'acceptable to the AHJ' "
Basically I
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