I have the same question. I assumed an ATS would transfer upon utility loss, but I'm learning that some do not transfer until the generator starts up. I'm wondering how this works with Sol-Arks given their schematics that use ATS in multi-inverter setups for whole home backup (with no generator involved).
Jason Szumlanski On Thu, Jun 17, 2021, 9:48 AM Dave Tedeyan <[email protected]> wrote: > Hi Rick, > I have a similar situation with a GE transfer switch, but am curious to > hear what others have to say. My assumption was that the switch transfers > based on loss of 240V from the grid. But I believe (at least with the GE > generator) that the transfer switch sends a two wire start signal to the > inverter when the transfer switch loses the 240V signal. My plan was to > rewire that start signal to the Sol-Ark inverter, but keep the transfer > switch as the main service point to prevent any kind of backfeeding to the > grid. > Cheers, > Dave > > On Thu, Jun 17, 2021 at 9:41 AM [email protected] < > [email protected]> wrote: > >> Wrenches, >> >> I’m looking to tie in a Generac Powerpact 7.5kW generator with transfer >> switch to a Sol-Ark 12kW. The Sol-Ark has a two wire start (NO or NC) >> capability, however, the Generac transfer switch operates on loss of 240V. >> Is my only option to use a relay driven by the two wire start to drop 240V >> to the transfer switch? >> >> Thank you, >> >> rick brown >> SolShine Energy Alternatives, LLC >> Electrical & Solar Contracting Services >> www.SolShineEnergy.com >> Check, Virginia 24072 >> Office: 540.235.3095 >> Mobile: 540.808.9502 >> >> VA Class A Contractor Lic# 2705147660 >> VA Master Electrician Lic# 2710062762 >> VA Alternative Energy Systems Installer >> NABCEP Certified PV Installation Professional 110112-21 >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> List Address: [email protected] >> >> 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/[email protected]/ >> 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 >> >> > > -- > *Dave Tedeyan, PE* > [image: Sungineer Solar] > 1653 Slaterville Road, Ithaca, NY 14850 > Cell: 607-288-2898 > www.sungineersolar.com > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > 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/[email protected]/ > 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: [email protected] 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/[email protected]/ 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
