Way too many issues when you mix equipment manufacturers. Do you want torture?
Dave Angelini Offgrid Solar "we go where powerlines don't" http://members.sti.net/offgridsolar/ e-mail offgridso...@sti.net text 209 813 0060 Dave John BlittersdorfDave > Hello Group. > I have a customer with an XW4548 grid tied with a Classic 200 CC, 16 > Evergreen ES-A210's, > 8 Interstate L16 Batteries, with generator backup. We have had issues > with > it not selling, selling and then charging at high rates way beyond the > settings. This has been an ongoing problem for 6 years and currrently are > 18 months into the 2nd battery pack and showing depleted battery life. > Xantrex tech support says that the battery capacity is too small and we > are > not setting it up correctly. Before the first set of batteries had one > battery explode, we had spent countless hours with their tech support > trying to get this inverter to behave properly. Even when going through > every setting with tech support, we never got it to work quite right. > Setting to factory defaults did not work. Found that the default > absorption > time was 6 hours and the inverter battery charger was pushing up to 75 > amps > into this battery, then selling at about 40 to 60 amps DC and then > immediately charging and then selling. I estimate this battery pack may > have had thousands of massive charge and discharge cycles... good reason > for the batteries to be weak now. After a few of these wild cycles, it > would fault with DC overvoltage. It would eventually clear the fault and > do this crazy cycle again. I programmed the inverter charger to the > lowest > setting of 10%, Lowered the battery capacity setting to 200 ah from 360, > set the charge timer to not run during the hours we were there. None of > these changes made any significant difference. We also set the maximum > Sell amps AC down to 3 amps which should have kept it at about 720 watts > but we were still seeing it sell up to 2500 watts. Before we reset that,, > it was selling up to 4000 watts. > > Could it be a defective SCP. There is no internet there to allow us to see > the past performance. > > Does anyone have a clue what is going on. I have worked with Outback > Radians in this same configuration with no problems at all. I am about > ready to rip it off the wall and replace it with a Radian. > > John Blittersdorf > Rob Stubbins Electrical and Solar. > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > _______________________________________________ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org
