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<p>I would second Allan's comments; I've had huge wastes of time
with folks that had no idea what they needed. I think the most
important information to share with the customer at this time, is
that the code does not require a stand alone inverter system to
meet the capacity calculated for the service. The exemption has
now moved from article 690, so it took me a little time to find
it. Please read the new 710.15(A) . It defines that the
inverter(s) only need to be able to meet the single largest load.
So Joe Residential Electrician may be required to run a 400 amp
load panel, but theoretically you could feed that with a single 4
kW inverter, as long as it could start the well pump, for
instance.</p>
<p>You really want to start right away trying to identify and reduce
loads. I regularly coordinate with the plumber on the well pump
and circulator pumps, work with the appliance supplier to make
sure everything is reasonable and Energy Star rated, and then make
sure all lighting is LED, and there are no crazy loads like hot
tubs, 3 ton Air Conditioners, or electric heating elements, hot
plates, etc. Ground source heat pumps are another no no, people
think they are really efficient, but that's because the energy
needed to run the pumps is not included in the calculations. The
pumps can take up to 2000 watts of power for many hours/ day.</p>
<p>I charge a consulting fee; if they don't want to spend a few
hundred working out a load analysis and overall electrical system
design, they're probably not going to be good customers later.<br>
</p>
<pre class="moz-signature" cols="72">Ray Walters
Remote Solar
303 505-8760</pre>
<div class="moz-cite-prefix">On 7/23/18 6:29 PM, Allan Sindelar
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:ADD77C5B-9DA9-4F89-80A5-1C217B32E1CD@sindelarsolar.com">
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<div>Aaron,</div>
<div>In thirty years my largest off grid residence (2005 install)
had four Outback VFX3648s, with the inner two in the Quad Stack
included primarily as slave battery chargers. Principle One
still holds, even with today\u2019s numerous exceptions: electricity
is a high quality form of energy, best suited to specific uses -
lighting, electronics, drive power. Shift (most) bulk uses of
electricity to other forms of energy. </div>
<div>I wouldn\u2019t spend my unbilled hours designing a system to meet
an arbitrary 200A service. </div>
<div>Hope this helps,</div>
<div>Allan Sindelar, Sindelar Solar </div>
<div><br>
On Jul 23, 2018, at 4:35 PM, Peter Giroux <<a
href="mailto:pgiroux@mindspring.com" moz-do-not-send="true">pgiroux@mindspring.com</a>>
wrote:<br>
<br>
</div>
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<div><font size="2">Aaron</font></div>
<div> </div>
<div><font size="2"> Can use up to 8 radians "stacked "
through their hub. One mate should control all of
them. The Radians are solid and deliver a very good value.</font></div>
<div> </div>
<div><font size="2">thx</font></div>
<div><font size="2">peter</font> </div>
<blockquote style="BORDER-LEFT: #000000 2px solid;
PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px;
MARGIN-RIGHT: 0px">
<div style="FONT: 10pt arial">----- Original Message ----- </div>
<div style="FONT: 10pt arial; BACKGROUND: #e4e4e4;
font-color: black"><b>From:</b> <a
title="reosolar@gmail.com"
href="mailto:reosolar@gmail.com" moz-do-not-send="true">Aaron
Mandelkorn</a> </div>
<div style="FONT: 10pt arial"><b>To:</b> <a
title="re-wrenches@lists.re-wrenches.org"
href="mailto:re-wrenches@lists.re-wrenches.org"
moz-do-not-send="true">RE-wrenches</a> </div>
<div style="FONT: 10pt arial"><b>Sent:</b> Monday, July 23,
2018 7:28 PM</div>
<div style="FONT: 10pt arial"><b>Subject:</b> [RE-wrenches]
Large off grid</div>
<div><br>
</div>
<div dir="auto">What do you say to the person who wants "200
amp" electrical service from their off grid system. I
generally use Schneider xw+ inverters. Is it even
possible to put 4 or 6 of them together? How many radians
can be put together? I'm curious to know how others would
proceed or is this to unreasonable to spend my time on.<br>
<br>
<div data-smartmail="gmail_signature">Aaron Mandelkorn<br>
President / Founder<br>
Renewable Energy Outfitters<br>
<a href="http://www.reosolar.com" moz-do-not-send="true">www.reosolar.com</a><br>
Off Grid Depot<br>
<a href="http://www.offgridnow.com"
moz-do-not-send="true">www.offgridnow.com</a><br>
970-596-3744<br>
<br>
</div>
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