[RE-wrenches] Old Solar Modules

2022-09-12 Thread Amos Post via RE-wrenches
Hi all, I have a few old modules I am trying to date best I can. One is an Photowatt (Arco?) 55Watt silver frame yellow backsheet, one is a Solarex 53Watt silver frame grey back sheet, and one Arco 50Watt black frame black back sheet. Looking for help with dates and if anyone knows of good we

Re: [RE-wrenches] Old Solar Modules

2022-09-12 Thread Christopher Warfel via RE-wrenches
If you can't find anything, I would think measuring Voc, adjusting for temperature,  and then dividing into the wattage would give you some reasonable approximations. Chris On 9/12/2022 10:28 AM, Amos Post via RE-wrenches wrote: Hi all, I have a few old modules I am trying to date best I can.

Re: [RE-wrenches] Large current battery combiners, UL Listing

2022-09-12 Thread frenergy via RE-wrenches
Michael,             Are you using kerosene as a cutting fluid?  We've had better luck with that in softer than steel metals. Bill Feather River Solar Electric Bill Battagin, Owner 4291 Nelson St. Taylorsville, CA 95983 530.284.7849 CA Lic 874049 On 9/11/2022 7:00 PM, Michael Morningstar via

Re: [RE-wrenches] Old Solar Modules

2022-09-12 Thread Allan Sindelar via RE-wrenches
The Photowatt is French. Early 80s most likely. Windy Dankoff imported them for a few years, late 70s - early 80s. They’re remarkable modules. I had (before I retired) several clients still using them. Every one is still putting out at or close to rated output, 40 years later. The only problem I

[RE-wrenches] SUNPOWER Costumer Service

2022-09-12 Thread Solar Energy Solutions via RE-wrenches
Dear all those who know more than I, For 15 years I have been bragging about the GREAT SunPower customer service.  What has changed?  I have spent hours on the phone, often times being disconnected or left to perish on hold.  I don't seem to be able to get decent tech support or data recovery.

Re: [RE-wrenches] SUNPOWER Costumer Service

2022-09-12 Thread Marco Mangelsdorf via RE-wrenches
Over the past year there's been a dramatic changing of the guard at SunPower. Pretty much all the top people have left, from the CEO on down. And they've made interesting choices, including to completely exit the DC mods business selling only their AC Equinox products. The SunPower of old is no mo

Re: [RE-wrenches] Large current battery combiners, UL Listing

2022-09-12 Thread Michael Morningstar via RE-wrenches
No, I haven't. I'll do some testing tomorrow as we have 60 holes/taps to do in the above mentioned bussing On Mon, Sep 12, 2022 at 7:54 AM frenergy via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > Michael, > > Are you using kerosene as a cutting fluid? We've had > bette