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Keep in mind that the Midnite controller has a combined PV and bat.
negative and the Blue Sky requires isolated PV and bat. negative.<br>
<pre class="moz-signature" cols="72">Larry Crutcher
Starlight Solar Power Systems
</pre>
<div class="moz-cite-prefix">On 3/24/15 6:11 PM, Jeremy Rodriguez
wrote:<br>
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<div>The thought was to charge the batteries for a new building
utilizing an SW4024 with new classic controller and new L A
batteries, and once those batteries are charged send the PV to
the house system which is the 48v setup with dual outback
inverters and dual SB3048 CCs. Lead acid batteries as well. 3
years old </div>
<div>I've never had this come up in 16 years!</div>
<div><br>
<br>
Jeremy Rodriguez
<div>All Solar, Inc.
<div>1463 M<br>
<div>Penrose Colorado 81240</div>
<div><br>
</div>
<div>Sent by Jeremy's iPhone. Sorry for typos and shorthand!</div>
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<div><br>
On Mar 24, 2015, at 5:31 PM, "Ray Walters" <<a
moz-do-not-send="true" href="mailto:ray@solarray.com">ray@solarray.com</a>>
wrote:<br>
<br>
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What's the reasoning behind two different battery banks at
different voltages? What is the other equipment involved:
batteries type, age, inverters, etc.?<br>
<pre class="moz-signature" cols="72">R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760</pre>
<div class="moz-cite-prefix">On 3/24/2015 5:07 PM, Jeremy
Rodriguez wrote:<br>
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<div dir="ltr">It would be 2kw of PV<br>
<br>
Jeremy<br>
All Solar<br>
Penrose, CO<br>
<br>
<div>
<hr id="stopSpelling">Date: Tue, 24 Mar 2015 12:17:20
-1000<br>
From: <a moz-do-not-send="true"
class="moz-txt-link-abbreviated"
href="mailto:jerrysgarage01@gmail.com">jerrysgarage01@gmail.com</a><br>
To: <a moz-do-not-send="true"
class="moz-txt-link-abbreviated"
href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a><br>
Subject: Re: [RE-wrenches] Charging Multiple Battery
Banks<br>
<br>
<div dir="ltr">
<div>How big of a system are you looking at as some of
the smaller charge controllers are auto sensing<br>
</div>
Jerry<br>
</div>
<div class="ecxgmail_extra"><br>
<div class="ecxgmail_quote">On Tue, Mar 24, 2015 at
12:11 PM, Jeremy Rodriguez <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:allsolarjeremy@msn.com"
target="_blank">allsolarjeremy@msn.com</a>></span>
wrote:<br>
<blockquote class="ecxgmail_quote"
style="border-left:1px #ccc
solid;padding-left:1ex;">
<div>
<div dir="ltr">Wrenches,<br>
I have a client that wants to charge a 24v
battery bank and a 48v bank with the same
array. Different charge controllers, with some
type of relay is what I was thinking, and
using the controller's aux. 12v output for the
relay control. <br>
The primary battery to be charged would be the
24v bank, then once it is fully charged,
divert the pv to the secondary controller at
the 48v bank.<br>
<br>
Any comments or recommendations on this would
be helpful.<span class="ecxHOEnZb"><font
color="#888888"><br>
<br>
Jeremy Rodriguez<br>
All Solar Inc. <br>
Penrose, CO<br>
</font></span></div>
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