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<div class="moz-cite-prefix">CARL:<br>
<br>
I have not installed any SBs with the "SPS" feature.<br>
<br>
My understanding is that manual activation and deactivation of the
SPS grid-loss outlet is required. <br>
<br>
Not a big deal, but the homeowner has to remember to deactivate
the function when grid power returns in order to start delivering
power again from the SB.<br>
<br>
Regards,<br>
<br>
Gary Willett<br>
Icarus Engineering LLC<br>
<br>
On 7/22/13 6:46 AM, Carl Adams wrote:<br>
</div>
<blockquote
cite="mid:CAHEKrCR8dgPNEwEXfzXCB+3ZVjk+-y5kN3JisMmBRtADOBOc0A@mail.gmail.com"
type="cite">
<div dir="ltr">
<div><br>
</div>
Nick,
<div><br>
</div>
<div>I guess I don't see this as a weakness but rather operating
as designed. If the design intent was to allow the grid tied
solar array to provide a limited power source during a grid
outage, during daylight hours, with no batteries required, it
seems this hits the mark. </div>
<div><br>
</div>
<div>I know these units went through some beta testing early
this year, so I would still appreciate any feedback from any
wrenches who have actually installed them.</div>
<div><br>
</div>
<div>With Regards</div>
<div>Carl Adams</div>
<div>SunRock Solar<br>
<br>
<div class="gmail_quote">From: <b class="gmail_sendername">Nick
Soleil</b> <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:nsoleil@enphaseenergy.com">nsoleil@enphaseenergy.com</a>></span><br>
Date: Fri, Jul 19, 2013 at 9:45 PM<br>
Subject: Fwd: [RE-wrenches] Fwd: SMA Secure Power Supply<br>
To: Carl Adams <<a moz-do-not-send="true"
href="mailto:swingjunkie@gmail.com">swingjunkie@gmail.com</a>><br>
<br>
<br>
<div dir="ltr">I understand that is a good selling point,
but the major weakness is that it won't work at night and
only will provide the amount of power that is available
from the sun, so not so good for stormy conditions.<br>
<div><br>
<div class="gmail_quote">
<div>
<div class="h5">---------- Forwarded message
----------<br>
From: <b class="gmail_sendername">Carl Adams</b>
<span dir="ltr"><<a moz-do-not-send="true"
href="mailto:swingjunkie@gmail.com"
target="_blank">swingjunkie@gmail.com</a>></span><br>
Date: Fri, Jul 19, 2013 at 12:48 PM<br>
Subject: [RE-wrenches] Fwd: SMA Secure Power
Supply<br>
To: RE-wrenches <<a moz-do-not-send="true"
href="mailto:re-wrenches@lists.re-wrenches.org"
target="_blank">re-wrenches@lists.re-wrenches.org</a>><br>
<br>
<br>
<div dir="ltr">
<br>
<br>
<div class="gmail_quote">
<div dir="ltr">Hello Wrenches,
<div><br>
</div>
<div>I'm considering the new SunnyBoy
SB3,4,5000 TL-22-US inverters for upcoming
projects. The new secure power supply
feature seems like a good selling point.
At this point I am most interested in
field experience from those who have
already installed these units. </div>
<div><br>
</div>
<div>Here is what I have learned from
reading up a bit.</div>
<div><br>
</div>
<div>
<div
style="font-family:arial,sans-serif;font-size:13px">My
initial impression was that the
electrical switch and outlet shown in
the tech bulletin, youtube video, and
discussed in webinars I have seen, was
an actual "hardware product option".
This is not the case. It is
functionality available in the unit as
points of connection. The intent is for
the installer to pickup the necessary
switch and outlet at the local supply
house and make the connections.</div>
<div
style="font-family:arial,sans-serif;font-size:13px"><br>
</div>
<div
style="font-family:arial,sans-serif;font-size:13px">One
other thing I learned is that between
early marketing and product availability
the "functionality" name was changed
from "Emergency Power Suppy (EPS)" to
"Secure Power Supply (SPS)" due to NEC
code issues.<br>
</div>
<div
style="font-family:arial,sans-serif;font-size:13px"><br>
</div>
<div
style="font-family:arial,sans-serif;font-size:13px">Another
point of confusion for me was in reading
the SB3k - 5kTL installation manual. In
the manual, the discussion of the SPS
uses the term "miniature circuit
breaker". My initial thought was this
reference was to the backfed circuit
breaker for the inverter, or a separate
circuit breaker integral to the
inverter. Not the case, just bad
translation from German to English. The
reference, is to the off the shelf
switch, the installer is to use to field
install the SPS.</div>
<div
style="font-family:arial,sans-serif;font-size:13px"><br>
</div>
<div
style="font-size:13px;font-family:arial,sans-serif"><br>
</div>
<div>Hope this is helpful, and again I'd
like to here from those of you who have
already deployed these units.</div>
<span><font color="#888888">
<span><font color="#888888">
<div><br>
</div>
<div>Carl Adams</div>
<div>SunRock Solar</div>
<div
style="font-family:arial,sans-serif;font-size:13px"><br>
</div>
</font></span></font></span></div>
</div>
</div>
<br>
</div>
<br>
</div>
</div>
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<p style="margin:0in 0in 0.0001pt"><span
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<p style="margin:0in 0in 0.0001pt"><b><span
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