Does the generator need to feed an inverter /charger input? In other words, does it need to provide AC/60hz?
If it can be a DC genset (which is usually easier on the system) check out Polar Power. http://www.polarpower.com/ Roy Rakobitsch NABCEP Certified Small Wind Installer® Certified Advanced Tower Climbing, Safety & Rescue Wind/PV Design Engineer Windsine LLC 631-514-4166 www.windsine.org On Thu, Apr 28, 2016 at 6:00 PM, jerrysgarage01 <jerrysgarag...@gmail.com> wrote: > Have you looked at Cummins, we have have great luck and no programming > issues but battery charging needs to be added foroff grid > Jerry > > > Sent via the Samsung Galaxy S™ III, an AT&T 4G LTE smartphone > > > -------- Original message -------- > From: Ray Walters > Date:04/28/2016 7:28 AM (GMT-10:00) > To: RE-wrenches > Subject: Re: [RE-wrenches] Off-grid generator update? > > FYI, generally we haven't had cold start issues with propane units, as > long as the pipe is sized properly ( as mentioned in another recent post) > and the starter battery is kept fully charged. > This is based on about 20 years experience in the Rockies with temps below > 0, but not 40 below. We don't use block heaters, carb heaters, etc. > We currently have been using Generac Ecogen, but not that happy with them. > Cheap air cooled motor, way too many computer gizmos, no on board charging > (must have AC power or PV to charge the starting battery) We even had to > call customer service to get an authorization code to set up remote start. > This is off grid with no internet or cell service; ridiculous. I hope > Generac reps are lurking here, because these are really not much better > than the crop of stand by generators. > IMO no off grid generator should have a phantom load, or require cell > service to commission. What happened to the old water cooled Kohlers? > > R.Ray Walters > CTO, Solarray, Inc > Nabcep Certified PV Installer, > Licensed Master Electrician > Solar Design Engineer303 505-8760 > > On 4/28/2016 11:17 AM, Jeremy Rodriguez wrote: > > Check out Gillette generators. Made in Indiana > 12.5 kW w Subaru > > Jeremy Rodriguez > Solar Installation And Design Expert > All Solar, Inc. > 1463 M St > Penrose Colorado 81240 > > Sent by Jeremy's iPhone. Sorry for typos and shorthand! > > On Apr 28, 2016, at 10:20 AM, Lena Wilensky < <l...@nunatakenergy.com> > l...@nunatakenergy.com> wrote: > > I did some searches on the list for what folks are doing for off-grid > propane generators these days, but all the threads I found were from 5-6 > yrs ago, so I was hoping to get some more current info. > > We're looking for about a 10kw+ propane unit (big derate at altitude), and > we run into 2 main problem areas: > > First is the warranty - either there are no units warranteed for off-grid > use, or there are only a couple of models and the warranty is short (1 > year). > > Second, and perhaps larger, is all the loads that now come with the > "off-grid" units. The computer takes some, but mostly the "cold weather > kit" aka carb heater must be installed in our climate (to actually start, > but also for warrantee), and it's set up to be on a thermostat (read: "on > all the time from Nov-April" here in the mountains). According to the > Kohler tech support it takes a steady 50W. We have set up older units to do > battery charge only during the day, and have the carb heater on a manual > switch, but it sounds like we can't really get at these circuits anymore > since they're all pre-configured and pre-wired in the guts of the genset > computer. > > The Kohler and Onan support folks said both these issues are due to EPA > considering off-grid use as prime power as opposed to standby, so they are > held to tougher emissions standards. > > Whatever the reasons, we're wondering what people are actually doing these > days - still the standby units they kind-of warrantee for off-grid? 12RES > from Kohler and the 13kw unit from Onan? Generac? Have folks been going > back to the smaller gas units from Honda and running them more? And how > are cold climate folks dealing with the heating issue? > > Any suggestions appreciated! > > Lena Wilensky > > www.nunatakenergy.com > 970-642-5554 > NABCEP Certified PV Installer: > Cert. #R02907-17 > > _______________________________________________ > 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 > > >
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