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<p><font size="+1">Re 190's.</font></p>
<p><font size="+1">Not much to learn from dissecting a swollen 190.
Most of the time the swelling is caused by electrolytic
capacitors that have failed. Some very high current capacitors
actually have brackets to bolt them down to minimize swelling.</font></p>
<p><font size="+1">Frank BZP.</font><br>
</p>
<pre class="moz-signature" cols="72">BZ Products INC.
8801 Gravois Rd.
St.Louis MO 63123 USA
314-644-2490
<a class="moz-txt-link-abbreviated" href="http://www.bz-products.net">www.bz-products.net</a></pre>
<div class="moz-cite-prefix">On 9/14/2016 1:58 PM, Benn Kilburn
wrote:<br>
</div>
<blockquote
cite="mid:769083D4-7EC8-4393-8555-1AB63AE7967C@skyfireenergy.com"
type="cite">
<meta http-equiv="content-type" content="text/html;
charset=windows-1252">
<div>You guys should really cut one of those swelled up ones and
share the photos with us :)</div>
<div id="AppleMailSignature"><br>
Benn Kilburn
<div>SkyFire Energy Inc. </div>
<div>780-906-7807</div>
</div>
<div><br>
On Sep 14, 2016, at 11:14 AM, Jerry Shafer <<a
moz-do-not-send="true" href="mailto:jerrysgarage01@gmail.com">jerrysgarage01@gmail.com</a>>
wrote:<br>
<br>
</div>
<blockquote type="cite">
<div>
<p dir="ltr">The 190's had component issues which case them to
balloon up<br>
Jerry</p>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Sep 14, 2016 10:11 AM, "William
Miller" <<a moz-do-not-send="true"
href="mailto:william@millersolar.com">william@millersolar.com</a>>
wrote:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="auto">
<div>Colleagues:</div>
<div><br>
</div>
<div>We have M190s fail in beach installations. Some
have had the cases swell up like there is a tumor
inside. I haven't cut them open to see what's inside
because they need to go back to manufacturer. </div>
<div><br>
</div>
<div>William</div>
<div><br>
On Sep 14, 2016, at 9:32 AM, Jerry Shafer <<a
moz-do-not-send="true"
href="mailto:jerrysgarage01@gmail.com"
target="_blank">jerrysgarage01@gmail.com</a>>
wrote:<br>
<br>
</div>
<blockquote type="cite">
<div>
<p dir="ltr">Mike<br>
I also work near the ocean, its all around me
here in Hawaii, we have had the 190's fail but
not to environmental conditions and very few
issues with 215's. Do you have any pics of the
damage as l have seen very little salt issues.<br>
Jerry</p>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Sep 13, 2016 9:11
PM, "Mike Nelson" <<a
moz-do-not-send="true"
href="mailto:mdelectricsolar@gmail.com"
target="_blank">mdelectricsolar@gmail.com</a>>
wrote:<br type="attribution">
<blockquote class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px
#ccc solid;padding-left:1ex">
<div dir="auto">
<div>I've had so many Enphase failures
it's kind of ridiculous. We install most
of our systems near the ocean so
corrosion has played a big factor. The
newer micro inverters are holding a much
better, 215 and 250's. I have learned
over the years that SMA makes the best
product, and I mostly stick with them.
Sometimes micro inverters are requested
or really fit the installation
particulars, so I still use them
occasionally. I haven't yet tried solar
edge.<br>
<br>
<div>Michael D Nelson</div>
<div>MD Electric & Solar, Inc.</div>
<div><a moz-do-not-send="true"
href="tel:707-684-0064"
value="+17076840064" target="_blank">707-684-0064</a>
mobile</div>
<div><a moz-do-not-send="true"
href="tel:707-884-1862"
value="+17078841862" target="_blank">707-884-1862</a>
office</div>
<div><a moz-do-not-send="true"
href="http://www.mdelectricsolar.com"
target="_blank">www.mdelectricsolar.com</a></div>
Sent from my iPhone</div>
<div><br>
On Sep 13, 2016, at 6:23 PM, Rebecca
Lundberg <<a moz-do-not-send="true"
href="mailto:rebecca.lundberg@gmail.com"
target="_blank">rebecca.lundberg@gmail.com</a>>
wrote:<br>
<br>
</div>
<blockquote type="cite">
<div>
<div dir="ltr">
<div dir="ltr">
<div class="gmail_default"
style="font-family:arial,helvetica,sans-serif;font-size:small">Esteemed
wrenches,<br>
<br>
I'm hoping the experience of
this list can help give us a
broader perspective on the
current market performance and
as a secondary concern, tech
support (or lack thereof), from
solar micro-inverter
manufacturers.<br>
<br>
Are others having much trouble
with micro-inverters? We have
had repeated issues with several
different brands on our systems
in Minnesota:<br>
- 8 Enphase systems with mostly
M210 and M215, have had to
repeatedly go back to sites to
replace units. The new
replacement ones seem to be
lasting better (we sure hope
they will). Enphase is harder to
contact in recent years, but
we're happy they at least
provide a predictable stipend.
Are you also having to replace a
lot of this brand of product?
Are the newer models holding up
better?<br>
<br>
- We gave a new inverter busbar
design concept a try (tenKsolar)
and though the micro-inverters
were supposed to take turns and
be 'redundant,' the ones with
APS micro-inverters needed 100%
replacement and the ones with
Lead Solar micro-inverters have
a problem where if one of them
fails it appears to send a
signal to all the rest so the
entire busbar stops working --
in action it's far from
redundant. When we purchased the
tenKsolar Rais Inverter Bus
(RIB) the spec sheet didn't tell
us what brand of micro-inverter
they would use as the OEM so we
couldn't research the viability
of the product or company or
warranty stipend (or lack
there-of) of the micro-inverter
OEM. We assumed it was a
tenKsolar product and they would
provide warranty replacements,
service, and tech support, but
our experience has been far from
that. When something goes wrong
tenK says 'it's not our product
that's failing' because they
don't actually manufacture the
micro-inverter (it's an OEM),
the micro-inverter company says
'it's not our product' because
tenKsolar has it wired and used
in a very unique manner specific
to the tenKsolar product, so
both manufacturers are backing
away from any responsibility. A
25-year warranty on the inverter
busbar is a great concept but
if/when something goes wrong
there is no support and no
apparent warranty at all except
maybe they will send us a new
component that needs several
hours of work to re-install, so
either the installer does the
warranty work for free or the
customer has a very unexpected
expense to get their system back
up and running a year or two
after it was installed; we think
both scenarios are unacceptable
(from our installer perspective
:-), do any of you have
experiences you can share here?<br>
<br>
I'm wondering if the climate in
MN makes us an anomaly. Based on
these micro-inverter experiences
we feel like the Rapid Shutdown
rule has forced us to use dc
optimizers on residential
applications whether we want to
or not -- is that pretty much
what all of you are doing too? <br>
<br clear="all">
</div>
<div>
<div>
<div dir="ltr">
<div>
<div dir="ltr">
<div>
<div dir="ltr"><font
size="2"><span
style="font-family:arial,helvetica,sans-serif"><span>Rebecca
Lundberg</span></span></font></div>
</div>
</div>
</div>
</div>
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