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<p>All of these new code required safety features have a detrimental
effect on reliability. That's not a huge deal with GT, but off
grid, this can become a serious safety issue in itself, as the
homeowner loses communications, water, heat, and frozen food. <br>
</p>
<p>There are opponents of solar energy that are laughing at us now,
for being scared of our own shadow, when we as an industry have
had an overall excellent safety record that goes back 40 years. We
need to take a serious look at which safety issues are real, and
which are not. Standardizing PV connections is very important.
Module level RSD is not. <br>
</p>
<pre class="moz-signature" cols="72">Ray Walters
Remote Solar
303 505-8760</pre>
<div class="moz-cite-prefix">On 8/28/21 9:46 AM, Dave Angelini
Offgrid Solar wrote:<br>
</div>
<blockquote type="cite"
cite="mid:6a7c61f2bd2360351b669805351b40db@127.0.0.1">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<p>The Schneider RSD is decent. At least it is useable as a 600vdc
disco. <img title="Wink"
src="cid:part1.1EC2D891.04CF17F7@solarray.com" alt="Wink"
class="" border="0"> The few offgrid homes that were required
to use this had the Tigo units on the array panels and wireless
comm to the RSD. As soon as the inspector was done, those went
to Ebay. I never use a roof but have used a barn for panels. </p>
<p>AFCI, GFCI, and now RSD are just more things to fail when you
need them the most, like during a wildfire or hurricane.</p>
<p>I know you folks have to do what you need to do to stay in
business. For me, electronics are <strong>in</strong> a covered
building.</p>
<p>Always!</p>
<p> </p>
<div>
<pre> </pre>
<pre><strong><span style="font-size: small;">Dave Angelini Offgrid Solar
"we go where powerlines don't"
<a href="http://members.sti.net/offgridsolar/" target="_blank" moz-do-not-send="true">http://members.sti.net/offgridsolar/</a>
e-mail <a href="mailto:offgridsolar@sti.net" moz-do-not-send="true">offgridsolar@sti.net</a>
text 209 813 0060</span></strong></pre>
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<p>On Fri, 27 Aug 2021 07:48:34 -0800, James Jarvis
<a class="moz-txt-link-rfc2396E" href="mailto:jj@aprsworld.com"><jj@aprsworld.com></a> wrote:</p>
<blockquote type="cite" style="padding-left:5px;
border-left:#1010ff 2px solid; margin-left:5px; width:100%"><!-- html ignored --><!-- head ignored --><!-- meta ignored -->
<div dir="auto">So who has a good reliable off grid RSD? It all
looks like failure prone garbage to me.<br>
<br>
<div>Thank you,<br>
<br>
-James Jefferson Jarvis<br>
APRS World, LLC<br>
+1-507-454-2727<br>
<br>
(Sent from my phone. My apologies for spelling errors and
brevity.)</div>
</div>
<br>
<div class="gmail_quote">
<div class="gmail_attr" dir="ltr">On Fri, Aug 27, 2021, 05:02
Tump <<a href="mailto:tump@swnl.net"
moz-do-not-send="true">tump@swnl.net</a>> wrote:</div>
<blockquote class="gmail_quote" style="margin: 0 0 0 .8ex;
border-left: 1px #ccc solid; padding-left: 1ex;">
<div style="word-wrap: break-word;">I would once again say
that; we as an industry can influence not only the writing
of the code but with what we are <em>buying</em> OR <em>not
buying.</em>
<div>If the devices we are required to install to make
things "more safe & reliable", at the cost of our
livelihoods & reputations, we all need to make the
folks that are building the RSD crap and those who
require installation of questionably safe & reliable
crap aware of these problems.</div>
<div>WE can thru either going to the code development
meetings AND NOT buying or installing this stuff. Not
too easy when a huge amount of solar is rooftop
installs. As many of the installers in the NE know its
not a single level ranch were installing this stuff on,
short season & man lift required.</div>
<div>Tell your supplier why you are not buying that brand,
let your supplier & folks on the list what
manufacture has good reliable products AND tech support
that we can understand, who we can get in a timely
fashion, and get the satisfaction of a prompt
replacement. IF we don't sell it they won't have a job
or a market.</div>
<div>
<div>
<blockquote type="cite" style="padding-left:5px;
border-left:#1010ff 2px solid; margin-left:5px;
width:100%">
<div>On Aug 26, 2021, at 2:09 PM, Jeremy Coxon <<a
href="mailto:jcoxon@sunwindpowerinc.com"
moz-do-not-send="true">jcoxon@sunwindpowerinc.com</a>>
wrote:</div>
<br>
<div>
<div style="word-wrap: break-word; line-break:
after-white-space;">Carl,
<div> </div>
<div>Did you get any kind of joy out of APSmart
on that failure? </div>
<div> </div>
<div>I will say that their tech support guy did
at least try to be helpful, but the language
barrier was really really steep and their
distribution channels are less than ideal.
Their response to a request for compensation
was that they would not be profitable if they
had to pay for truck rolls for such a low cost
item. I really don't think they GET IT.
We've been in business for over 16yrs and this
one failure could easily have ended that run.</div>
<div> </div>
<div>I cannot imagine we're alone here. I was
told by AP that their failure rate was 0.2%.
Now, I come from a reliability engineering
background in petro chemical/ big pharma where
a 0.2% failure rate would be catastrophic.
Can you imagine that 2 out of every 1000 pills
made could cause death? We engineered
secondary systems and multiple quality checks
to contain catastrophic consequences for
components that had know failure rates higher
than acceptable values. A simple solution to
this fire initiation issue would be a metal
enclosure instead of plastic casing. That
still doesn't really solve the problem of
extra connections though.<br>
<div>
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Best Regards,<br>
Jeremy Coxon NABCEP # 091308-21</div>
</div>
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<div style="word-wrap: break-word;"><span
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