Nice choice! They had a pretty nice 8KW/240v also that I may use on a job! --Dave
> All - update for those of you interested, we are starting the portal > installation tomorrow (with a Sunny Island for better or worse) and ended > up going with a Kohler 14RESA propane generator. This should be 2-wire > start, ok at 100% duty cycle 120 v, and CARB compliant. If all goes as > planned we'll be up and running next week and I'll keep you posted. > > http://www.kohlergenerators.com/home-generators/products/14RESA > > -August > > *August Goers* > > Luminalt Energy Corporation > > o: 415.641.4000 > > m: 415.559.1525 > > www.luminalt.com > > > > On Fri, Jun 23, 2017 at 3:46 PM, Dave Angelini Offgrid Solar < > offgridso...@sti.net> wrote: > >> I did a few projects for Yosemite. Then I used the EU6500i which is now >> the EU7000i. Never had anyone ask. and that you will find is the issue. >> In >> my county of Mariposa they will issue a certificate of occupancy on a >> house running a generator for final approval. Pretty lax about it all. >> If >> I go across the county line into Tuolumne everything is hard to do. >> Geeze >> an offgrid generator...Use Honda or design so that you don't need one :) >> >> Dave Angelini / Offgrid Solar >> >> >> > Hi Gary and All ââ¬â >> > >> > >> > >> > We looked into the EcoGen unit, but the 6kW is discontinued and the >> 15kW >> > EcoGen is not rated to be sold in California. Bummer. >> > >> > >> > >> > Speaking of California, do any of you know about the CARB compliance >> > issues >> > on selecting a generator for an offgrid renewable project? We had one >> > generator rep tell us that only a Tier 4F CARB generators are legal >> for >> > use >> > with offgrid in California, but I canââ¬â¢t find anything online to >> clarify. >> > Since this project is in the National Parks, we need to make sure we >> > donââ¬â¢t >> > have any compliance issues. If anyone knows anything about what kind >> of >> > CARB compliance is or isnââ¬â¢t required, Iââ¬â¢d love to hear >> about it. >> > >> > >> > >> > Cheers! >> > >> > >> > >> > August >> > >> > >> > >> > *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] >> *On >> > Behalf Of *Gary Willett >> > *Sent:* Friday, June 16, 2017 7:58 AM >> > *To:* re-wrenches@lists.re-wrenches.org >> > *Subject:* Re: [RE-wrenches] Generator choice for Sunny Island >> > >> > >> > >> > AUGUST: >> > >> > The Generac EcoGen is dual-fuel capable (NG or LP), comes in 6kW and >> 15kW >> > versions, is 2-wire start, can be field-configured for either 120V or >> > 240V. >> > It's not "portable" as it does not have wheels. It's transportable >> though >> > based on its footprint and weight. Also, it was specifically designed >> and >> > warranteed for off-grid applications. >> > >> > Regards, >> > >> > Gary Willett PE >> > Icarus Engineering LLC >> > >> > On 6/16/17 9:36 AM, Kevin Pegg wrote: >> > >> > You could use a 2 -> 3 wire converter such as the Atkinson GSCM module >> > that >> > will take the 2 wire output from the SI and convert to 3-wire to >> control >> a >> > gasoline generator such as the Honda EU7000 series, or Cummins/Onan >> makes >> > a >> > good line of gasoline generators. It may be very hard to find a gas >> > generator that has 2 wire native remote start. That is more common >> with >> > larger propane or diesel generators. >> > >> > >> > >> > Kevin >> > >> > >> > >> > *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org >> > <re-wrenches-boun...@lists.re-wrenches.org>] *On Behalf Of *August >> Goers >> > *Sent:* June-16-17 7:22 AM >> > *To:* RE-wrenches <re-wrenches@lists.re-wrenches.org> >> > <re-wrenches@lists.re-wrenches.org> >> > *Subject:* Re: [RE-wrenches] Generator choice for Sunny Island >> > >> > >> > >> > Thanks for the good feedback folks! >> > >> > >> > >> > We are using a Sunny Island setup because we had access to a free >> Sunny >> > Island and Sunny Boy being scrapped from another site. Otherwise I was >> > definitely planning on going with a Outback DC coupled system. >> > >> > >> > >> > I think the trick here is trying to find a portable generator that has >> a >> > two-wire start option. Iââ¬â¢m looking through the usual genny >> suppliers >> and >> > nothing has presented itself so far. Anyway, Iââ¬â¢ll keep looking >> and will >> > check out Chrisââ¬â¢ suggestion on the nexus controller and Generac >> propane >> > unit as well. >> > >> > >> > >> > FYI, here is a link to what the portal is like. Itââ¬â¢s going in >> National >> > Park >> > land by the Golden Gate Bridge so I hope we can pull it together! >> > http://www.sharedstudios.com/ >> > >> > >> > >> > August >> > >> > Luminalt >> > >> > >> > >> > >> > >> > *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] >> *On >> > Behalf Of *Chris Mason >> > *Sent:* Friday, June 16, 2017 4:56 AM >> > *To:* RE-wrenches <re-wrenches@lists.re-wrenches.org> >> > *Subject:* Re: [RE-wrenches] Generator choice for Sunny Island >> > >> > >> > >> > To my limited mind, the whole 120V sunny island setup is a disaster. >> Why >> > not install a DC coupled 8KW Outback Radian and solve all your >> problems. >> > USe any 240V generator, although finding a 2 wire start gasoline unit >> may >> > be hard. I would use a Nexus controller generac propane generator with >> > propane tank, all mounted on the container. I would never design >> anything >> > to use gasoline, it's too dangerous. >> > >> > >> > >> > On Fri, Jun 16, 2017 at 7:19 AM, Matthew Sirum >> <matthewsi...@gmail.com> >> > wrote: >> > >> > Greetings August, >> > >> > Great thoughts and comments from Brian! I would also suggest speaking >> > with the generator manufacturers' tech/engineering folks regarding the >> > 120VAC configuration and to confirm 2-wire start set up once you have >> > a brand and model or two in mind. Generator parts and service >> > availability in the region of the project may also drive brand >> > selection. If you need to maximize the inverter's battery charging >> > capabilities (depending on battery system charging requirements) you >> > may end up needing to look at generators in the 7.5 kW to 8.0 kW >> > capacity range to allow for headroom in generator output loading. >> > >> > Also; I am curious how you arrived at an AC coupled design for this >> > project. I do not know any of the details or specific projects goals >> > you are working with, but I would potentially consider a DC coupled >> > system design... DC/DC charge controller(s) would keep the battery >> > system charged (and any DC loads operable) even if the Sunny Island >> > and/or Sunny Boy(s) have a failure or is taken offline. If most of >> > the AC loads are 120VAC I would consider keeping the inverter AC >> > output circuit 120VAC and install a dedicated transformer solely for >> > the 240VAC load.... Or perhaps consider a 120/240VAC inverter model. >> > Depending on the overall situation a DC coupled system could be more >> > resilient. The dedicated transformer for the 240VAC load could also >> > potentially help make the system more robust. Also; I have spoken >> > with a number of folks who have told me they wish the Sunny Island had >> > more/better features for generator integration. I'd like to hear more >> > from those who have plenty of experience designing and installing >> > systems with Sunny Islands and generators to learn what the current >> > thoughts and issues are. >> > >> > I hope some of these thoughts may be helpful. >> > >> > Best regards, >> > >> > ----MATT >> > >> > Matthew Sirum >> > P.O. Box 1227 >> > Greenfield, MA 01302-1227 USA >> > phone: +1.413.773.0611 >> > email: matthewsi...@gmail.com >> > >> > >> > -------- Original Message Below -------- >> > >> > [RE-wrenches] Generator choice for Sunny Island >> > August Goers august at luminalt.com >> > Thu Jun 15 09:02:41 PDT 2017 >> > >> > Hi Wrenches, especially those of you who work on off-grid projects, >> > >> > We have an upcoming off-grid project where we will be powering a >> storage >> > container with electronics in it. The loads are mostly 120 volt but >> there >> > is a 240 volt heat pump that might occasionally run. Weââ¬â¢re AC >> coupling >> > the >> > Sunny Island with a Sunny Boy PV inverter. So, weââ¬â¢ll be >> installing a >> > Outback PSX-240 autoformer to bump the Sunny Islandââ¬â¢s output >> from 120 >> to >> > 240 volt. >> > >> > We need to select a generator for backup. We need a two-wire electric >> > start >> > (in order to be controlled by the Sunny Island) and preferably a >> generator >> > that is okay just running 120 volt loads since the Sunny Islands input >> is >> > only 120 volt. Something in the 3 kVA -7 kVA range should be fine. >> > >> > Does anyone have experience or ideas about what kind of two-wire start >> > generator we might select? >> > >> > Thanks, >> > >> > August >> > >> > Luminalt >> > _______________________________________________ >> > 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 >> > >> > >> > >> > >> > >> > -- >> > >> > Chris Mason >> > >> > NABCEP Certified Solar PV Installerâ⢠>> > >> > Solar Design Engineer >> > >> > Generac Generators Industrial technician >> > >> > >> > >> > www.cometsolar.com <http://www.cometenergysystems.com> >> > >> > 264.235.5670 >> > >> > 869.662.5670 >> > >> > Skype: netconcepts >> > >> > >> > >> > >> > _______________________________________________ >> > >> > 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 >> > >> > >> >> >> Dave Angelini Offgrid Solar >> "we go where powerlines don't" >> http://members.sti.net/offgridsolar/ >> e-mail offgridso...@sti.net >> text 209 813 0060 >> >> _______________________________________________ >> 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 > > Dave Angelini Offgrid Solar "we go where powerlines don't" http://members.sti.net/offgridsolar/ e-mail offgridso...@sti.net text 209 813 0060 _______________________________________________ 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
