Re: [RE-wrenches] BenQ AUO AC Unison modules

2017-11-12 Thread Carl Adams
David, These used Solarbridge micros. Sunpower has taken over support for the micros. Unsure about module support. Carl Adams SunRock Solar NABCEP Certified PV Installer On Nov 11, 2017 12:30 PM, "David Palumbo" wrote: > > Wrenches, > 6 years ago we put in a few systems using AC modules from

Re: [RE-wrenches] Battery Backup for Older Enphase Systems

2017-11-12 Thread Darryl Thayer
Let me say when I AC couple to a battery system, I usually have the battery system inverter larger than the AC system by about 1.5 times. The DC output of the inverter is the limit. If you have 100 Amp at 50-volt charging, then the inverter is limiting the AC array to less than 5kW. The last syst

Re: [RE-wrenches] SunBandit Solar PV Hot Water

2017-11-12 Thread Darryl Thayer
I have had a couple of experiences with PV water heating and over a thousand, thermal systems. Unfornatulay I have little comparison measurements. The reason is it is so hard to get thermal measurements, or so expensive to make thermal measurements. From personal experience, I do not see any rea