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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic","sans-serif"'>Interesting in that our AHJ are not up to speed on this. Sealed is sealed to them and now I know too.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic","sans-serif"'>Thanks<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>Dana Orzel<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>Great Solar Works, Inc<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>E - dana@solarwork.com<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>V - 970.626.5253<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>F - 970.626.4140<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>C - 970.209.4076<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>web - www.solarwork.com<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>"Responsible Technologies for Responsible People since 1988"</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Century Gothic","sans-serif"'>Do not ever belive anything, but seriously trust through action.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Century Gothic","sans-serif"'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> re-wrenches-bounces@lists.re-wrenches.org [mailto:re-wrenches-bounces@lists.re-wrenches.org] <b>On Behalf Of </b>Exeltech<br><b>Sent:</b> Tuesday, December 14, 2010 5:54 AM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] To insulate a battery bank DEPENDS on a lot of factors.<o:p></o:p></span></p></div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=624 style='width:6.5in;margin-left:.5in'><tr><td valign=top style='padding:0in 0in 0in 0in'><p class=MsoNormal>If sealed batteries are inadvertently overcharged, H2 and O may be created at a rate beyond which the two gasses can be recombined within the cells. In this case, internal seals may open to prevent excessive pressure from accumulating and turning the battery into an explosion hazard. Venting of the enclosure is needed for the same reason. Though sealed batteries are less likely to require venting - it's a necessary safety precaution.<br><br>Dan<br><br><br>--- On <b>Mon, 12/13/10, jay peltz <i><jay@asis.com></i></b> wrote:<o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><br>From: jay peltz <jay@asis.com><br>Subject: Re: [RE-wrenches] To insulate a battery bank DEPENDS on a lot of factors.<br>To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org><br>Date: Monday, December 13, 2010, 6:30 PM<o:p></o:p></p><div id=yiv583987039><p class=MsoNormal>Hi Dana,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>The manufacturers that I've read, do say they should be in a vented enclosure.<o:p></o:p></p></div><div><p class=MsoNormal>But your point is taken,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>thanks,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>jay<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Dec 13, 2010, at 8:32 AM, Dana wrote:<o:p></o:p></p></div><p class=MsoNormal><br><br><o:p></o:p></p><div><div><div><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Arial","sans-serif"'>Sealed batteries do not require a vent , therefore no air passage \u2013 less influence of ambient exterior temps to the bank. Perhaps on a small bank this would have an influence.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Arial","sans-serif"'>On a large bank in a low usage scenario, IE: second home with no one home, the system may be full by 10AM and the fan runs for most of the day inducing cool air.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Arial","sans-serif"'>Granted most systems have a present [physically] home owner. I have many systems that float for a good part of the winter, awaiting the arrival of either the owner for a week or spring.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p></div><div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>Dana Orzel</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>Great Solar Works, Inc</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>E -<span class=yiv583987039apple-converted-space> </span><a href="/mc/compose?to=dana@solarwork.com" target="_blank">dana@solarwork.com</a></span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>V - 970.626.5253</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>F - 970.626.4140</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>C - 970.209.4076</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>web -<span class=yiv583987039apple-converted-space> </span><a href="http://www.solarwork.com" target="_blank">www.solarwork.com</a></span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>"Responsible Technologies for Responsible People since 1988"</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>Do not ever belive anything, but seriously trust through action.</span><o:p></o:p></p></div></div><div><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p></div><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><div style='margin-left:.5in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span class=yiv583987039apple-converted-space><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span></span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><a href="/mc/compose?to=re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a><span class=yiv583987039apple-converted-space> </span>[mailto:re-wrenches-bounces@lists.re-wrenches.org]<span class=yiv583987039apple-converted-space> </span><b>On Behalf Of<span class=yiv583987039apple-converted-space> </span></b>jay peltz<br><b>Sent:</b><span class=yiv583987039apple-converted-space> </span>Sunday, December 12, 2010 4:49 PM<br><b>To:</b><span class=yiv583987039apple-converted-space> </span>RE-wrenches<br><b>Subject:</b><span class=yiv583987039apple-converted-space> </span>Re: [RE-wrenches] To insulate a battery bank DEPENDS on a lot of factors.</span><o:p></o:p></p></div></div></div><div style='margin-left:.5in'><p class=MsoNormal> <o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal>HI Dana,<o:p></o:p></p></div><div><div style='margin-left:.5in'><p class=MsoNormal> <o:p></o:p></p></div></div><div><div style='margin-left:.5in'><p class=MsoNormal>I'm curious about why you differentiate sealed vs. flooded batteries?<o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:14.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p></div></div></div><p class=MsoNormal style='margin-bottom:13.5pt'><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'>_______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address:<span class=yiv583987039apple-converted-space> </span><a href="/mc/compose?to=RE-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches@lists.re-wrenches.org</a><br><br>Options & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive:<span class=yiv583987039apple-converted-space> </span><a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br><br>List rules & etiquette:<br><a href="http://www.re-wrenches.org/etiquette.htm" target="_blank">www.re-wrenches.org/etiquette.htm</a><br><br>Check out participant bios:<br><a href="http://www.members.re-wrenches.org" target="_blank">www.members.re-wrenches.org</a><o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>-----Inline Attachment Follows-----<o:p></o:p></p><div><p class=MsoNormal style='margin-bottom:12.0pt'>_______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address: <a href="/mc/compose?to=RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br>Options & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br><br>List rules & etiquette:<br>www.re-wrenches.org/etiquette.htm<br><br>Check out participant bios:<br>www.members.re-wrenches.org<o:p></o:p></p></div></td></tr></table><p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p></div></body></html>