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
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
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
Hi all,
I was called out this week to trouble shoot a system I didn't install.
It's a five year old 1.44kW system with the following: Sun Tie ST 1500
inverter and 12 Astro Power modules. It only produced 634kWh last
year. With our sun here, the shading, orientation, equipment, etc. it
should have
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