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<div class="moz-cite-prefix"><font size="+1">JESSE & JASON:<br>
<br>
There was a thread from about 6 weeks ago <br>
</font>
<blockquote><font size="+1">Re: [RE-wrenches] Best practices for
conduit penetration on roof</font><br>
</blockquote>
<font size="+1">about the use of the SolaDeck as a roof-top AC
Source Circuit combiner, and as a roof-top disconnecting means.<br>
<br>
I have two issues<font size="+1"> you </font>should be consider
before deciding to use the SolaDeck Models 0760-41AD and
0766-41AD:<br>
<br>
1. The Temperature De-Rating of the existing ABB breakers sold
by SolaDeck could cause high temperature "nuisance trips",
particularly on maximum si<font size="+1">zed </font>AC strings
of 17 Enphase micro-inverters. If a high(er) temperature rated
circuit breaker is not available from ABB, a prudent design
would reduce the maximum number of micro-inverters in an AC
string to 12.</font><br>
<blockquote><font size="+1"><u>Manufacturer</u>: ABB 20A 2-pole
din-mounted circuit breaker<br>
</font><br>
<font size="+1"><font size="+1"> <u>Terminal Temp Rating</u>:
75C / 167F</font></font><br>
<font size="+1"><font size="+1"> </font></font><br>
<font size="+1"><font size="+1"> <u>Reference Temperature</u>:
20C / 68F</font></font><br>
<font size="+1"><font size="+1"> </font></font><br>
<font size="+1"><font size="+1"> <u>Ambient Temp Derating</u>:
</font></font><br>
<font size="+1"><font size="+1"> </font> <font size="+1">30C/86F
= 18.7A</font></font><br>
<font size="+1"><font size="+1"> 40C/104F = 17.3A</font></font><br>
<font size="+1"><font size="+1"> 50C/122F = 15.8A</font></font><br>
<font size="+1"><font size="+1"> 60C/140F = 14.1A</font></font><br>
<font size="+1"><font size="+1"> 70C/158F = 12.2A</font></font><br>
</blockquote>
<font size="+1">2. Another issue, at least in some jurisdictions,
is the requirement for a roof-top AC Disconnect for micr<font
size="+1">o-inverter <font size="+1">systems</font></font>.
The SolaDeck, when used as an AC SCCB, may not meet the NEC
Article 100 definition for "readily accessible" because a tool
is required to open it.<br>
<br>
<br>
Regards, Gary<br>
<br>
</font><br>
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style="mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;
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On 1/3/2013 7:44 AM, Jason Szumlanski wrote:<br>
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<blockquote
cite="mid:CAJJtG3pG9odkNCutsQpBiZFeqJgu3dzFVtCLj9X+kiyutOZnCQ@mail.gmail.com"
type="cite">
<div dir="ltr"><span
style="font-family:arial,sans-serif;font-size:13px">SolaDeck</span><span
style="font-family:arial,sans-serif;font-size:13px"> Models
0760-41AD and 0766-41AD are rated for up to 60A at 240Vac.</span>
<div>
<font face="arial, sans-serif"><br>
</font></div>
<div><font face="arial, sans-serif">Give them a call - Steve is
very helpful.</font><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<br>
</em></span></p>
</div>
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Wed, Jan 2, 2013 at 11:57 PM,
Jesse Dahl <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:dahlsolar@gmail.com" target="_blank">dahlsolar@gmail.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 dir="ltr">I find info about the AC soladeck in
my distributors catalog, but I don't find any
information about it on Soladeck's website.
<div>
<br>
</div>
<div><br>
</div>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">
<div>
On Wed, Jan 2, 2013 at 7:18 PM, Jesse Dahl <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:dahlsolar@gmail.com"
target="_blank">dahlsolar@gmail.com</a>></span>
wrote:<br>
</div>
<div>
<div>
<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 dir="ltr">Hello,
<div><br>
</div>
<div>I am in the process of installing a
Enphase system that requires center
feeding the individual 15 modules
circuits. I am wondering about wiring the
J-Box. I need to cut all of the boxes
into the center of the runs of Engauge
cable and maintain the 6" of free
conductor. To do this, I will need to
pull the trunk cable towards the J-Box.
There are a few spots where doing this
may pull the inverter connection points to
far from the inverter. It looks like like
the spots where this will be a problem is
where the circuit of modules is made up of
modules from different North-South rows of
racking. I took some rough measurements at
the end of the day, but haven't really
laid the cable out to check if it will
really be problem.</div>
<div><br>
</div>
<div>I'm sure this is common, and easily
fixed, but a conformation from another
installer would surely be welcome.</div>
<div><br>
</div>
<div>Thanks,</div>
<div><br>
</div>
<div>Jesse</div>
</div>
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