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<div class="moz-cite-prefix"><font size="+1">JASON:<br>
<br>
I talked to Steve Capozzi of SolaDeck and he sent me additional
info about the circuit breakers:<br>
</font>
<blockquote><font size="+1"><u>Manufacturer</u>: ABB<br>
<br>
<u>Terminal Temp Rating</u>: 75C / 167F<br>
<br>
<u>Reference Temperature</u>: 20C / 68F<br>
<br>
<u>Ambient Temp Derating</u>: <br>
</font>
<blockquote><font size="+1">30C/86F = 18.7A<br>
40C/104F = 17.3A<br>
50C/122F = 15.8A<br>
60C/140F = 14.1A<br>
70C/158F = 12.2A<br>
</font></blockquote>
</blockquote>
<font size="+1"> My concern is that we may be attempting to use an
interior rated AC breaker in a roof-deck-mounted NEMA3-R
enclosure. <br>
<br>
In an Enphase application, with the maximum of 17 inverters per
AC Source Circuit, the continuous current will be 0.9A x 17 x
1.25 = 19.1A. This exceeds the 30C/86F trip current of 18.7A. <br>
<br>
The interior temperature of the SolaDeck could very likely
approach the 60C/140F trip current of 14.1A. <br>
<br>
It seems to me that "nuisance trips" could be a high probability
event. <br>
<br>
Does anyone have any field experience using this Soladeck option
for a AC Source Circuit Combiner Box (SCCB)?<br>
<br>
Another issue, at least in some jurisdictions, is the
requirement for a roof-top AC Disconnect. <br>
<br>
The SolaDeck, when used as an AC SCCB, may not meet the NEC
Article 100 requirements in some jurisdictions for "readily
accessible" because a tool is required to open it.<br>
<br>
<font color="#000000"> </font> <font color="#000000"> </font>
<font color="#000000"> </font> <font color="#000000"> </font>
<font color="#000000"> </font> </font>
<p class="" style="margin-bottom:0.0001pt;line-height:normal"><font
size="+1" color="#000000"><span>Regards<span>,</span><br>
<br>
<br>
Gary Willett, PE<br>
Icarus Engineering LLC</span></font></p>
<font size="+1"> <font color="#000000"> </font> <font
color="#000000"><span>Icarus Solar Services LLC</span></font></font>
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mso-bidi-font-family:Calibri"><o:p></o:p></span>
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On 11/26/2012 2:21 PM, Jason Szumlanski wrote:<br>
</div>
<blockquote
cite="mid:CAJJtG3ryOtMkbiz9HzxcuLd0H0H6ViUBx8fW+sxCMTie9zQXTQ@mail.gmail.com"
type="cite">I did get some pictures and info from Soladeck. Here
are some links:
<div><br>
</div>
<div>Pics:</div>
<div>
<div><a moz-do-not-send="true"
href="https://docs.google.com/open?id=1BpiL-1SdSNNsj4wPMQrFCLHH7JT2dek_KftSJl06QLqc0yhJ_1t5oij0aEA6">https://docs.google.com/open?id=1BpiL-1SdSNNsj4wPMQrFCLHH7JT2dek_KftSJl06QLqc0yhJ_1t5oij0aEA6</a></div>
<div><a moz-do-not-send="true"
href="https://docs.google.com/open?id=1cVuhZGeQNHL1IvGvNBa7v93oZyGBvjxCv5yq4AmoyJeDAITxvgMqgECR2yTv">https://docs.google.com/open?id=1cVuhZGeQNHL1IvGvNBa7v93oZyGBvjxCv5yq4AmoyJeDAITxvgMqgECR2yTv</a></div>
<div><a moz-do-not-send="true"
href="https://docs.google.com/open?id=1umslTplnFyZG1eNCZE-MMi_OqrSeirFCPRBl9mFNZJ2gQkBjM5LEXnaPKy2l">https://docs.google.com/open?id=1umslTplnFyZG1eNCZE-MMi_OqrSeirFCPRBl9mFNZJ2gQkBjM5LEXnaPKy2l</a></div>
<div>Specs:</div>
<div>
<div><a moz-do-not-send="true"
href="https://docs.google.com/open?id=13KLAuxUHOR9al7-36reDSJJ7IMnqV3ANPnJILPnrj2xcAi0ksRj67ifKIe7R">https://docs.google.com/open?id=13KLAuxUHOR9al7-36reDSJJ7IMnqV3ANPnJILPnrj2xcAi0ksRj67ifKIe7R</a></div>
<div><a moz-do-not-send="true"
href="https://docs.google.com/open?id=1kvPFcDc1vruS3W_aONlXyIHm1T8-qi4vTpTwGGJ7H0eIwuZ-5e6zrM1CcND5">https://docs.google.com/open?id=1kvPFcDc1vruS3W_aONlXyIHm1T8-qi4vTpTwGGJ7H0eIwuZ-5e6zrM1CcND5</a></div>
<div><a moz-do-not-send="true"
href="https://docs.google.com/open?id=1lM8FtYl9HiYohru32UA_Gb1tXZKZ5iw-8tnSu1Un6g4vcklLL-DK1qLPMdsB">https://docs.google.com/open?id=1lM8FtYl9HiYohru32UA_Gb1tXZKZ5iw-8tnSu1Un6g4vcklLL-DK1qLPMdsB</a></div>
</div>
<div><br>
</div>
<div>I was told Soligent can source the combiners for you (and
me).<br>
<br>
<div>
<div
style="font-size:13px;font-family:Verdana,Arial,Helvetica,sans-serif">
<div style="margin:0px 0px 8px">
<p style="margin:0px"><span
style="color:rgb(128,128,128)"><strong>Jason
Szumlanski</strong><em> </em></span></p>
<p style="margin:0px"><span
style="color:rgb(128,128,128)"><em>Fafco Solar</em></span><a
moz-do-not-send="true"
href="http://www.wisestamp.com/apps/wordpress?utm_source=extension&utm_medium=email&utm_term=wordpress&utm_campaign=apps"
target="_blank"
style="font-family:arial,sans-serif;font-size:80%;color:gray;text-decoration:initial"> </a><span
style="color:gray;font-family:arial,sans-serif;font-size:80%"> </span></p>
</div>
</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Mon, Nov 26, 2012 at 1:50 PM,
Jason Szumlanski <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:jason@fafcosolar.com" target="_blank">jason@fafcosolar.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">I
just called Soladeck and they are sending me some more
info on availability. I'll pass it along when I get it.
I didn't realize they made an AC roof mounted string
combiner solution. That's a huge help for 2 or 3 string
Enphase installations (they make both combiners).
<div>
<br>
</div>
<div>While on the subject, we recently started using the
Enphase cable couple with Type TC-ER cable to extend
cabling to junction boxes when necessary... No more
wasting trunk cable connectors! I suppose Type TC-ER
could be used all the way to the main distribution
panel, thereby eliminating junctions on the roof, but
I haven't looked into the cost/benefit of that idea.<br>
<div><br>
</div>
<div>
<div>
<div
style="font-size:13px;font-family:Verdana,Arial,Helvetica,sans-serif">
<div style="margin:0px 0px 8px">
<p style="margin:0px"><span
style="color:rgb(128,128,128)"><strong>Jason
Szumlanski</strong></span></p>
<p style="margin:0px"><span
style="color:rgb(128,128,128)"><em>Fafco
Solar</em></span><br>
<br>
</p>
</div>
</div>
</div>
</div>
</div>
<div>
<div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Mon, Nov 26, 2012 at
1:26 PM, Gary Willett <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:gary@icarussolarservices.com"
target="_blank">gary@icarussolarservices.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote"
style="margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<div><font size="+1">NICK:<br>
<br>
I could not find the AC model numbers
you provided on the SolaDeck web si<font
size="+1">te. Do you know <font
size="+1">the manufacturer, and </font>the
vol<font size="+1">tage and
temperature ratings, for the 2-pole
20A AC breakers?</font></font><br>
<br>
</font>
<div><font color="#000000"> </font> <font
color="#000000"> </font> <font
color="#000000"> </font> <font
color="#000000"> </font>
<div><font color="#000000"> </font>
<p class=""
style="margin-bottom:0.0001pt;line-height:normal"><font
color="#000000"><span>Regards<span>,</span><br>
<br>
<br>
Gary Willett, PE<br>
Icarus Engineering LLC</span></font></p>
<font color="#000000"> </font>
<p class=""
style="margin-bottom:0.0001pt;line-height:normal"><font
color="#000000"><span>Icarus Solar
Services LLC<br>
</span><br>
</font><br>
</p>
</div>
</div>
<div>
<div> On 11/26/2012 11:54 AM, Nick
Soleil wrote:<br>
</div>
</div>
</div>
<div>
<div>
<blockquote type="cite">Hi wrenches;<br>
<br>
SolaDeck Models 0760-41AD and
0766-41AD are rated for up to 60A at
240Vac.<br>
<br>
It can be ordered with DIN rail
mounted AC breakers and a combiner
kit. The 2 - 20A circuit combiner kit
is part 0760K2AC.<br>
<br>
I'd recommend checking with a
distributor or on SolaDeck's website
for the most current information.<br>
<br>
Nick Soleil,<br>
Enphase Energy<br>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Sun, Nov
25, 2012 at 7:44 AM, Kent
Osterberg <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:kent@coveoregon.com"
target="_blank">kent@coveoregon.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote"
style="margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">My
understanding has been that the
Soladeck has only been listed
for DC wiring. Perhaps they have
a manufacturer rep on
RE-wrenches that can clarify.<span><font
color="#888888"><br>
<br>
Kent Osterberg<br>
Blue Mountain Solar, Inc.<br>
<a moz-do-not-send="true"
href="http://www.bluemountainsolar.com"
target="_blank">www.bluemountainsolar.com</a></font></span>
<div>
<div><br>
<br>
<br>
On 11/25/2012 6:20 AM, Dave
Palumbo wrote:<br>
<blockquote
class="gmail_quote"
style="margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
Rich,<br>
<br>
We have been using
SolaDeck PV roof mount
enclosure. NEMA 3R with a
flashed<br>
penetration. Can use for
combining, or simply as a
pass through box.<br>
<br>
Dave<br>
<br>
David Palumbo<br>
Independent Power LLC<br>
462 Solar Way Drive<br>
Hyde Park, VT 05655<br>
<a moz-do-not-send="true"
href="http://www.independentpowerllc.com" target="_blank">www.independentpowerllc.com</a><br>
NABCEP Certified PV
Installer<br>
Vermont Solar Partner<br>
25 Years Experience, <a
moz-do-not-send="true"
href="tel:%28802%29%20888-7194"
value="+18028887194"
target="_blank">(802)
888-7194</a><br>
<br>
<br>
<br>
<br>
-----Original Message-----<br>
From: <a
moz-do-not-send="true"
href="mailto:re-wrenches-bounces@lists.re-wrenches.org"
target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a><br>
[mailto:<a
moz-do-not-send="true"
href="mailto:re-wrenches-bounces@lists.re-wrenches.org"
target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>]
On Behalf Of Rich Nicol<br>
Sent: Sunday, November 25,
2012 8:11 AM<br>
To: 'RE-wrenches'<br>
Subject: [RE-wrenches]
Best practices for conduit
penetration on roof<br>
<br>
Wrenches,<br>
We typically run conduit
for roof mounts over the
edge of the roof to the<br>
eaves, rather than
penetrate the roof
whenever possible. An
upcoming<br>
installation on an freshly
asphalt shingled roof
requires that we penetrate<br>
the roof for the conduit
run (Enphase). I'm
wondering if there are any<br>
suggestions for preferred
flashing products and best
known practices. It's<br>
always seemed to me that
the typical Oatey type
flashing dries and cracks<br>
eventually.<br>
Thanks for your insights..<br>
Rich<br>
<br>
</blockquote>
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