<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Peter,<div><br></div><div>I agree with you on the XW. I'm amazed that there is no integrated battery capacity meter, plus plenty of other issues I find pretty amazing given they used to make the premier inverter and in many ways I have to say the old SW hasn't really be beaten. </div><div>Also I still find the old SW the best screen/display out there. I think the reason besides the logic is there are more buttons.</div><div><br></div><div>As to the outback relay. I've used a Solid State relay, and they work really well in my opinion on the AC side. Many of the large relays have too big a draw for the AUX relay to power, the SS relays work great.</div><div>And no the outback nor any other ( the SMA is different) cannot regulate in the AC coupling mode.</div><div><br></div><div>jay</div><div>peltz power<br><div><div>On Aug 4, 2009, at 6:25 PM, Peter Parrish wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div lang="EN-US" link="blue" vlink="blue"><div class="Section1"><div style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="2" color="navy" face="Arial"><span style="font-size: 10pt; font-family: Arial; color: navy; ">I would like to start a thread on AC-coupled grid tied battery backup systems. We do a fair number of GTBBSs (four to five a year) and I have gravitated from the Outback solution to the Xantrex XW solution. I am not happy with the XW product and especially not happy with Xantrex’s post sales technical support. I know I have more to learn about these puppies in general, so I am genuinely disappointed with the uneven TS from Xantrex.</span></font></div><p class="MsoNormal" style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="2" color="navy" face="Arial"><span style="font-size: 10pt; font-family: Arial; color: navy; "> </span></font></p><div><div style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="3" color="navy" face="Times New Roman"><span style="font-size: 12pt; color: navy; ">I also had this nagging feeling that the heart of a GTBBS should be the tried and true high voltage inverter. Enter the SunPower positive ground requirement, and now an AC coupled system seems the best solution.</span></font></div><p class="MsoNormal" style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="3" color="navy" face="Times New Roman"><span style="font-size: 12pt; color: navy; "> </span></font></p><div style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="3" color="navy" face="Times New Roman"><span style="font-size: 12pt; color: navy; ">From the white paper that Outback sent me, there was no mention of a heavy duty relay. Doesn’t the Outback inverter regulate the battery charge control?</span></font></div><p class="MsoNormal" style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="3" color="navy" face="Times New Roman"><span style="font-size: 12pt; color: navy; "> </span></font></p><div style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="3" color="navy" face="Times New Roman"><span style="font-size: 12pt; color: navy; ">Has anyone tried to order a SunWize “Solar Ready Battery Assembly” without the charge controller (e.g. P/N SRB3.6). It would seem that this is a nice package for small energy needs (13 to 26 kWh of battery backup). </span></font></div><p style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; "><font size="3" color="navy" face="Times New Roman"><span style="font-size: 12pt; color: navy; ">-Peter</span></font></p></div></div></div></span></blockquote></div></div></body></html>