<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">HI Hilton,<div><br></div><div>Before you go anywhere you need to know what the draw on this motor is.</div><div><br></div><div>I've seen 3 hp motors not be able to start on a 15kw genny.</div><div>Why? Just horrible motors thats all.</div><div><br></div><div>jay</div><div><br></div><div>peltz power<br><div><div>On Oct 13, 2012, at 11:16 AM, Hilton Dier III wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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<font face="Times New Roman, Times, serif">I have an off-grid client
who is having trouble with his aging Xantrex SW4024 inverter and
is considering an upgrade. I need some advice.<br>
<br>
One of his problems with his present system is that he can't run
his 3 HP 240VAC table saw on the 4024. He'd be content to run his
generator for any long sessions of sawing, but he'd like the
capability to do a cut or two without firing it up.<br>
<br>
I was thinking about stacking a couple of Outbacks. I'd like to
know people's real-world experiences with the relationship between
motor HP, rated inverter watts, and surge watts. How much wattage
does he need to actually do the job? That is, without flailing the
inverter(s) into a shortened life span.<br>
<br>
Also, how do Outbacks compare with Magnums or whatever? I have
been using Outbacks for a while with good results, but I have been
hearing murmurs and grumbling since they were bought out. I
haven't used Xantrex/Schneider for a while and I have no
experience with Magnums. I notice that the Magnums offer split
phase 240. <br>
<br>
I should note that he has his inverter setup in his wood shop. I
am theorizing that some of his inverter trouble could be from a
tree's worth of sawdust in the case. He presently has a 24V
system, but he is considering a battery replacement, which would
be an opportunity to switch to 48V if necessary. The sawdust issue
makes me lean towards the sealed Outbacks, but he does have a
partially finished box for the inverter with filters and a fan.</font><br>
<br>
<font face="Times New Roman, Times, serif">Opinions?<br>
<br>
Many thanks.<br>
<br>
Hilton<br>
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<pre class="moz-signature" cols="72">--
Hilton Dier III
Renewable Energy Design
Partner, Solar Gain LLC
453 East Hill Rd.
Middlesex, VT 05602
Tel: 802-223-6652</pre>
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