<div>Eric;</div><div><br></div><div>If you set the switch to "1+2" (sometimes labeled "both") then you are paralleling the banks. Set at "1" or "2" it's is not, unless there is another sneaky + current path that you missed. Be sure *everything* positive goes to the main + buss bar, which is then switched between the banks by the big red switch.</div>
<div><br></div><div>Also, you might check behind the switch -- there's not much room back there, and it's easy for the + lugs to move and possibly touch while you are torquing the lugs.</div><div><br></div>-- <br>
Dan Fink,<br>Executive Director;<br>Otherpower<br>Buckville Energy Consulting<br>Buckville Publications LLC<br>NABCEP / IREC accredited Continuing Education Providers<br>970.672.4342 (voicemail)<div><br><br><div class="gmail_quote">
On Thu, Oct 11, 2012 at 4:23 PM, SunHarvest <span dir="ltr"><<a href="mailto:eric@harvesthesun.com" target="_blank">eric@harvesthesun.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div><font face="Arial">I recently installed a Blue Sea 4-way marine
battery switch to switch between two battery banks, one new bank and one old
bank. I was hesitant to connect the negative home-runs from both banks onto one
common bus (connected directly to a ground rod), which then connects
back to the DC load center at the inverter. But that's how I was advised to wire
it by an electrician friend. </font></div>
<div><font face="Arial"></font> </div>
<div><font face="Arial">It appears now that the newer bank was
performing quite a bit better prior to being connected to the marine switch
(and neg lead to the neg bus) and the old bank is now performing better
than before. I think my electrician buddy was incorrect and that even the
positive leads being on a switch and neg lead on a neg bus, the banks are still,
to some extent, effectively paralleled and that the new bank is
being pulled down by being indirectly connected to the old
bank.</font></div>
<div><font face="Arial"></font> </div>
<div><font face="Arial">Thoughts and advice on how to correct the wiring if
needed?</font></div>
<div><font face="Arial"></font> </div>
<div><font face="Arial">Sorry to ask such a simple question, I'm just a
little rusty on off-grid.</font></div>
<div><font face="Arial"></font> </div>
<div><font face="Arial">Thanks guys.</font></div>
<div> </div>
<div><font face="Arial">Eric Stikes</font></div>
<div><font face="Arial">SunHarvest Solar</font></div>
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