Ray, I'd suggest reaching out to the Fortress techie's as they just introduced a heater product for their enclosure products. While I don't believe they have a unit specif to the eVault but you should be able to make it work.
Christopher On Wed, Feb 8, 2023 at 6:43 PM Jerry Shafer via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > Pet heater have worked for me, I air gap a sealed heater box under the > battery, thermostat inside the top of the battery. It's slow and low power > but does the trick > Fun times > > On Wed, Feb 8, 2023, 3:05 PM Ray Walters via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > >> Hi All; >> >> I have a fresh Fortress Evault installation with a Solark inverter. The >> batteries are indoors in the center of the house, but the customer is >> not there full time, so the battery is unfortunately going below >> freezing. What are the best options for setting up a heating system for >> the E Vault? >> >> Here are ideas that I have not tried, but am considering: >> 1) add a 240 v, 1000 w baseboard heater in the room near the battery >> that is wired to only run off the generator. Run the generator until >> the heat comes up, and then hopefully after 30 minutes, the battery >> would begin accepting a charge. >> >> 2) Add an 120 vac heating blanket under the evault that would be wired >> to a thermostat, but also have a relay control from the PV system, so >> that the heater would only operate when the sun was out, and the battery >> was below 50F. I don't quite know how to set this up with the Solark's >> load controls. >> >> I've considered some DC options, but they don't make much sense, since >> the inverter has to be on to charge from PV anyway. >> >> The long term plan is for the client to finish the insulation, and sheet >> rock, and add a gas wall heater in there as needed. >> >> Thanks, >> >> Ray Walters >> Remote Solar >> in the Colorado mountain cold..... >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> 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 >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org >> >> _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > 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 > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > > -- Chris Schaefer’s <http:www.solarandwindfx.com> *Tel/Fax 585-229-2083 or Cell 585-748-1870 * *5115 South Hill Road ~ Canandaigua New York 14424**www.solarandwindfx.com <http://www.solarandwindfx.com> ~ E-mail: ch...@solarandwindfx.com <ch...@solarandwindfx.com>* Thomas Jefferson, the author of our great Constitution, once said, "democracy" will cease to exist when you take away from those who are willing to work and give to those who would not."
_______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org 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 There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org