Wrenches, Ray I agree that 12 volts needs to be changed and best to go to 48 nominal and have been there myself making suggestions. We,re all good and friends here. Jerry
On Fri, Apr 24, 2020, 10:28 AM Ray <r...@solarray.com> wrote: > Oh well maybe I'm completely full of Hot air on this fine Friday morning. > Sorry, I just assumed it could be set to 12v. II just checked the specs, > and it actually is only compatible with 24 v and up battery banks. > > Personally I run the PV numbers on a calculator and when I multiply 100 > amps x 12 v (1200 watts) and only get 4 of yesteryear's solar modules on a > controller that cost more than the array, I always, always talk the client > into going to 48v, or I don't touch it, cause its all archaic equipment I > don't want to take responsibility for. > > Sorry again for making a bad assumption. > > Ray Walters > Remote Solar > 303 505-8760 > > On 4/24/20 1:20 PM, Jerry Shafer wrote: > > Wrenches, Ray > How do you program a FM 100 to 12 volts, l do not see that's programmable > to be set to do that > Jerry > > On Fri, Apr 24, 2020, 10:16 AM Ray <r...@solarray.com> wrote: > >> This is a classic off grid conundrum we've dealt with for decades. >> Generally it take more money than the client wants to spend. 12 v is a >> serious limitation, not just for the PV array, but the inverter and >> battery layout as well. What inverter do they have? How old is it? >> What battery are they running? How old is the battery? What are their >> expansion needs? How far is grid away? >> >> I look at all these things when working with the owner of one of these >> legacy 12 v systems. Generally it costs serious money to rewire to >> higher voltage, but it usually solves multiple problems that they needed >> to solve anyway. >> >> On the other hand, if you want to stick with 12 v, you CAN use the FM >> 100, and just use the MATE 3 to program the controller, then pull it. >> We have numerous FM 100s, and we have only one MATE 3 that lives in the >> shop. It brings the cost to the customer down significantly and >> prevents unnecessary tampering with settings. $600 for the MATE 3 is >> just stupid. You can buy a decent laptop for that. >> >> Ray Walters >> Remote Solar >> 303 505-8760 >> >> On 4/24/20 10:39 AM, Jay wrote: >> > Hi All, >> > >> > Are there any CC out there that can parallel on the input side? >> > >> > Situation is a older 12v system, 300’ wire run using a MX 60. >> > >> > Client wants more PV, but CC is maxed out. Upgrading to say FM-100 is >> way expensive and needs new mate etc. >> > Yes could totally redo the system to 24 or 48v and use iota for 12v >> loads. Buts that’s expensive. >> > >> > Installing new wire would be complicated and expensive. But wire is >> large enough to handle more power. >> > >> > Are there are any cc that can parallel on the input side, which would >> be the easy solution if it exists >> > >> > Thx >> > >> > Jay >> > _______________________________________________ >> > List sponsored by Redwood Alliance >> > >> > List Address: RE-wrenches@lists.re-wrenches.org >> > >> > Change listserver email address & settings: >> > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> > >> > List-Archive: >> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >> > >> > List rules & etiquette: >> > www.re-wrenches.org/etiquette.htm >> > >> > Check out or update participant bios: >> > www.members.re-wrenches.org >> > >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org >> >> > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & > settings:http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette:www.re-wrenches.org/etiquette.htm > > Check out or update participant bios:www.members.re-wrenches.org > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > >
_______________________________________________ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org
