Re: [RE-wrenches] PV scum from Dixie Fire

2021-09-16 Thread Dave Angelini Offgrid Solar
Never had any problem with soap and water in the 3 fires that went over us. Obviously you want to not do anything in the sun. It is just tempered glass so as long as the cleaner is compatible, I would not be worried about something stronger if soap did not work. Still alot of fire season left. Tw

Re: [RE-wrenches] PV scum from Dixie Fire

2021-09-16 Thread Bill Battagin
Dan,             I remember reading some REC material regarding cleaning panels and they we very hesitant about anything brush or sponge-like to clean their PVs, though I too, for my own arrays have used a car-washing brush (very fine and soft) to carefully remove scum.  It seems it may be th

Re: [RE-wrenches] PV scum from Dixie Fire

2021-09-16 Thread Dan Fink
Bill; Similar situation in my area (CO) from the big fire that went through here last fall. Some had enough water onsite for the sprinkler trick, but the biggest issue was thick coats of pink fire retardant from the slurry bombers. The only thing I could find that worked on both the ash/mineral scu

[RE-wrenches] PV scum from Dixie Fire

2021-09-16 Thread Bill Battagin
Dearest wrenches,             Trying to get back in the saddle here in the Plumas Natl. Forest...We are just coming out of 7-8 weeks of threat of fire from the Dixie fire in NE CAhas been life changing, three of our communities were lost or severely impacted.             But many of my c

Re: [RE-wrenches] Transformerless inverter conversion

2021-09-16 Thread August Goers
Hi William - I think this article by Bill Brooks directly answers both of your questions: https://www.southportland.org/files/8814/8156/0204/NEC_2017_Updates_for_PV_Systems___SolarPro_Magazine.pdf -August On Thu, Sep 16, 2021 at 9:19 AM William Miller wrote: > Friends: > > > > Thanks to all o

[RE-wrenches] Transformerless inverter conversion

2021-09-16 Thread William Miller
Friends: Thanks to all of you for your valuable input on the repowering project I am researching. I am learning a lot in the process and generating more questions as I proceed. Here is are questions that came up, and if any of you have insight, I would love to hear it: 1. Array OCPD/disco