Re: [RE-wrenches] AC Coupling different brands

2013-05-27 Thread Drake
I also saw that webinar. We had just coupled a Fronius 10K to a pair of Sunny Islands. It seems to be working fine. It is a backup system, so we have only tested it. SMA tech support assured me it would work before we bought the system. Is the Outback wave form unique in any way, causing the

Re: [RE-wrenches] AC Coupling different brands

2013-05-27 Thread Gary Willett
Maybe their position has changed, but the last time I looked into AC coupling a Fronius inverter I was told by Fronius that it would void their warranty. Has that policy changed? Regards, Gary Willett Icarus Engineering LLC O

Re: [RE-wrenches] AC Coupling different brands

2013-05-27 Thread Drake
It seems a little vague on that point. Talking to Fronius tech support did not produce a definitive answer. I think so long as the system is basically grid tied, it likely wouldn't. In the webinar, the presenter said that Fronius wasn't worried about the AC relay being switched on and off by th