GENERAC also makes a 100 amp version of the SMM
On Tue, Jun 27, 2023 at 3:12 AM Jason Szumlanski via RE-wrenches < [email protected]> wrote: > I'm interested in this also. This is becoming increasingly necessary as we > install "whole home" backup systems, but we need to dump a load that is on > a downstream subpanel. A common need is to shed pool equipment like > electric heat pumps and pool pumps when utility power is lost. In other > cases, the backup system interconnection point is outside at a meter/main > combination service entrance device, but the loads we need to shed are on a > downstream distribution load center. > > Sometimes wiring control cables to do this is cumbersome or virtually > impossible. > > A while back I ended up purchasing a 24Vac remote 900 Mhz relay to shed > air conditioning, but ultimately I never installed it because it was too > complicated and introduced an unacceptable point of failure (potential > service issue). We need some reliable, simple load shedding products that > are brand agnostic. > > Jason Szumlanski > Principal Solar Designer | Florida Solar Design Group > NABCEP Certified Solar Professional (PVIP) > Florida State Certified Solar Contractor CVC56956 > > > On Tue, Jun 27, 2023 at 1:06 AM Mac Lewis via RE-wrenches < > [email protected]> wrote: > >> Hello Wrenches, >> >> Is anyone aware of a remote load shedding solution that doesn't require >> additional signal wiring to the loads? >> >> Generac has a great solution for this that they adapted from their >> generator business called a Generac Smart management module. Its a 2P x >> 50A relay that monitors line frequency going to the load and it will trip >> it off line when the frequency sags. The inverter does a small wiggle that >> will trip it offline based on some Dip switch settings. on the unit. This >> really simplifies code compliance in some cases. >> >> I'm wondering if there are any other more general solutions out there for >> this. >> >> Thanks in advance! >> >> >> >> -- >> >> >> >> Mac Lewis >> >> *"Yo solo sé que no sé nada." -Sócrates* >> _______________________________________________ >> 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 > > -- David Quattro CA License # 954020. C-10, C-46 ph (415) 312-2661 www.quattrosolar.com
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