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<div class="moz-cite-prefix">Mac,<br>
To the best of my knowledge, yes. I believe the most common 4.01
firmware will stack with any firmware above that number. 4.10 and
above were designed to work with the GTI for grid-tied use after
the year 2000, but should not affect stacking otherwise. I have
never tried mixing 4.01 with the earliest Rev 1 (first couple of
years) and Rev 2 (very short-lived transitional firmware). Can't
remember if there was a Rev 3; not sure if such a thing existed in
the field. <br>
<br>
As long as you have the stacking cable, it's routine. Limitations
include the 32W idle tare; if one inverter overloads, both shut
off; there's no master and slave, either will fill that role; set
absorption times 0:10 off to avoid the two fighting each other in
certain charging situations.<br>
<br>
Note that any SW can have later chips installed; it's a set of
five. We did this several times years ago, to add EQ capability
and 4.01 menu familiarity to some of the earliest units from the
mid-90s. Of course, finding a chipset these days could be
problematic.<br>
Allan<br>
<br>
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<div class="Section1">
<p class="MsoNormal"><b>Allan <span class="SpellE">Sindelar</span></b><br>
<span style="font-size:10.0pt"><a
href="mailto:Allan@positiveenergysolar.com"><span
style="color:#000099">Allan@positiveenergysolar.com</span></a></span><br>
<span style="font-size:10.0pt">NABCEP Certified PV
Installation Professional <br>
NABCEP Certified Technical Sales Professional<br>
New Mexico EE98J Journeyman Electrician<br>
Founder and Chief Technology Officer<br>
<b>Positive Energy, Inc.</b>, a Certified B <span
class="SpellE">Corporation<sup><span
style="font-size:7.5pt">TM</span></sup></span><br>
3209 Richards Lane<br>
Santa Fe, New Mexico 87507<br>
<b>505 424-1112 office 780-2738 cell</b><br>
<a href="http://www.positiveenergysolar.com/"
target="_blank">www.positiveenergysolar.com</a><br>
</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt"><br>
<br>
</span></p>
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On 6/7/2013 9:06 PM, Mac Lewis wrote:<br>
</div>
<blockquote
cite="mid:CAOABG4-7D25-swJP3FGSO4PKRucODTG6C7Z3RFmK1TWJ49m7og@mail.gmail.com"
type="cite">
<div dir="ltr">Hello wrenches,
<div><br>
</div>
<div>I am contemplating stacking a Trace SW 4024 to an existing
Trace SW 4024 system and converting to 120/240. I have done
this before and it seemed straightforward. Are there any
challenges that wrenches have had when attempting this? Also,
is there any compatibility issues within any SW 4024. In
other words, can I stack any 4024 made, with any other 4024?</div>
<div><br>
</div>
<div><br>
</div>
<div>Thanks in advance<br clear="all">
<div><br>
</div>
-- <br>
<div><br>
</div>
<div><font face="'times new roman', serif" color="#305A78"><br>
</font></div>
<div><br>
</div>
Mac Lewis<br>
<br>
<span style="font-family:'Times New
Roman';font-size:medium;color:rgb(255,153,0)"><b><font
face="Arial, Helvetica, sans-serif" size="3">
<p align="left"><font face="Verdana, Arial, Helvetica,
sans-serif" color="#000000"><span
style="font-size:small"><span
style="font-family:arial;font-weight:normal;color:rgb(48,90,120)"><font
face="'times new roman', serif">"Yo solo sé
que no sé nada." </font><span
style="font-weight:700;color:rgb(104,104,104)"><font
face="'times new roman', serif">-Sócrates</font></span></span></span></font></p>
</font></b></span>
</div>
</div>
<br>
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