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<p>The (newer) SW5548 was harder on over current protection, mainly
because</p>
<p>it could put out more current than the SW4048... <br>
</p>
<p> One trick to try is to place a long(ish) extension cord between
the SW and the load to give it a wee bit of series resistance.</p>
<p>Doing this would often reduce that OCP and help motors to start.<br>
</p>
<p>boB<br>
</p>
<br>
<div class="moz-cite-prefix">On 5/30/2016 11:03 AM, Dan Fink wrote:<br>
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cite="mid:CAF+3Lncg+BzMN86GdqgM7eyK8DDWB6EMqAd7VEyJiSBD8nZquA@mail.gmail.com"
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<div dir="ltr">Does your air compressor have an unloader valve, or
can you install one?
<div>That should do the trick, sounds like you are just running
into the regular high surge current demand.</div>
<div>Off the grid, compressors are in about the same nasty
league as old well pumps as far as surge demand.</div>
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<div><span
style="font-size:12.8000001907349px">Dan
Fink</span>
<div style="font-size:12.8000001907349px">Adjunct
Professor of Solar Energy Technology,
Ecotech Institute</div>
<div style="font-size:12.8000001907349px">IREC
Certified Instructor™ for: </div>
<div style="font-size:12.8000001907349px">~
PV Installation Professional</div>
<div style="font-size:12.8000001907349px">~
Small Wind Installer</div>
<div style="font-size:12.8000001907349px">Executive
Director, Buckville Energy</div>
<div style="font-size:12.8000001907349px">NABCEP
Registered Continuing Education Providers™<br>
<a moz-do-not-send="true"
href="tel:970.672.4342"
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<div class="gmail_quote">On Mon, May 30, 2016 at 10:46 AM,
Jeremy Rodriguez <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:allsolarjeremy@msn.com" target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:allsolarjeremy@msn.com">allsolarjeremy@msn.com</a></a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">Hello<br>
I've got an SW+5548 that will barley start my air
compressor. Once it does run it shows 17 Amps on the
inverters loads meter. During start up it reads 60+ amps.<br>
Do you think better capacitors would help the situation?<br>
BTW I've never ran the compressor off grid prior.<br>
I even tried #8 from the Breaker to the pressure switch,
about 9ft, with no benefit. The compressor will only start
with the tank completely empty.<br>
<br>
Jeremy Rodriguez<br>
Solar Installation And Design Expert<br>
All Solar, Inc.<br>
1463 M St<br>
Penrose Colorado 81240<br>
<br>
Sent by Jeremy's iPhone. Sorry for typos and shorthand!<br>
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