Re: [RE-wrenches] trouble shooting system with Sun Tie

2008-09-11 Thread Allan Sindelar
Randy and Dana, Not sure here (never installed a SunTie, thanks to this list in the early days), but I believe that Xantrex' swap program ended years ago. I see from your website that you're in Bellingham, Washington. OK, that explains your low expectations (1,123 kwh/yr from 1.44kW? Here in NewM

Re: [RE-wrenches] trouble shooting system with Sun Tie

2008-09-11 Thread Randy Brooks
Dana, I thought Xantrex recalled all the ST1500s and replaced them with XR2500s. Mine was, years ago. You might check with them about this. Good luck, Randy Brooks Brooks Solar, Inc. Solar Power for People 140 Columbia View Chelan, WA 98816 509-682-9646 [EMAIL PROTECTED] www.BrooksSolar.c

Re: [RE-wrenches] trouble shooting system with Sun Tie

2008-09-11 Thread William Miller
Dana: The failure mode of the original ST inverters were a failure in the MPPT algorithm. The inverter would sweep the impedance too high until the voltage would collapse. The inverter would then take several minutes until it allowed the PV voltage to rise again. This would repeat throughou