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What is the standby current draw on this unit. In the past, that has been
an issue with Kohler. <br><br>
At 06:01 PM 7/10/2017, you wrote:<br>
<blockquote type=cite class=cite cite="">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.<br><br>
<a href="http://www.kohlergenerators.com/home-generators/products/14RESA">
http://www.kohlergenerators.com/home-generators/products/14RESA</a><br>
<br>
-August<br><br>
<b>August Goers<br>
</b><br>
Luminalt Energy Corporation<br><br>
o: 415.641.4000<br><br>
m: 415.559.1525<br><br>
<a href="http://www.luminalt.com">www.luminalt.com</a><br><br>
<br><br>
On Fri, Jun 23, 2017 at 3:46 PM, Dave Angelini Offgrid Solar
<<a href="mailto:offgridsolar@sti.net">offgridsolar@sti.net</a>>
wrote:<br>
<dl>
<dd>I did a few projects for Yosemite. Then I used the EU6500i which is
now<br>
<dd>the EU7000i. Never had anyone ask. and that you will find is the
issue. In<br>
<dd>my county of Mariposa they will issue a certificate of occupancy on
a<br>
<dd>house running a generator for final approval. Pretty lax about it
all. If<br>
<dd>I go across the county line into Tuolumne everything is hard to do.
Geeze<br>
<dd>an offgrid generator...Use Honda or design so that you don't need one
:)<br><br>
<dd>Dave Angelini / Offgrid Solar<br><br>
<br>
<dd>> Hi Gary and All ā\u201c<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> We looked into the EcoGen unit, but the 6kW is discontinued and
the 15kW<br>
<dd>> EcoGen is not rated to be sold in California. Bummer.<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> Speaking of California, do any of you know about the CARB
compliance<br>
<dd>> issues<br>
<dd>> on selecting a generator for an offgrid renewable project? We
had one<br>
<dd>> generator rep tell us that only a Tier 4F CARB generators are
legal for<br>
<dd>> use<br>
<dd>> with offgrid in California, but I canāt t find anything
online to clarify.<br>
<dd>> Since this project is in the National Parks, we need to make
sure we<br>
<dd>> donāt<br>
<dd>> > have any compliance issues. If anyone knows anything about
what kind of<br>
<dd>> CARB compliance is or isnāt required, I, Iād love to hear
about it.<br>
<dd>> ><br>
<dd>><br>
<dd>><br>
<dd>> Cheers!<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> August<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> *From:* RE-wrenches
[<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" eudora="autourl">
mailto:re-wrenches-bounces@lists.re-wrenches.org</a>] *On<br>
<dd>> Behalf Of *Gary Willett<br>
<dd>> *Sent:* Friday, June 16, 2017 7:58 AM<br>
<dd>> *To:*
<a href="mailto:re-wrenches@lists.re-wrenches.org">
re-wrenches@lists.re-wrenches.org</a><br>
<dd>> *Subject:* Re: [RE-wrenches] Generator choice for Sunny
Island<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> AUGUST:<br>
<dd>><br>
<dd>> The Generac EcoGen is dual-fuel capable (NG or LP), comes in 6kW
and 15kW<br>
<dd>> versions, is 2-wire start, can be field-configured for either
120V or<br>
<dd>> 240V.<br>
<dd>> It's not "portable" as it does not have wheels. It's
transportable though<br>
<dd>> based on its footprint and weight. Also, it was specifically
designed and<br>
<dd>> warranteed for off-grid applications.<br>
<dd>><br>
<dd>> Regards,<br>
<dd>><br>
<dd>> Gary Willett PE<br>
<dd>> Icarus Engineering LLC<br>
<dd>><br>
<dd>> On 6/16/17 9:36 AM, Kevin Pegg wrote:<br>
<dd>><br>
<dd>> You could use a 2 -> 3 wire converter such as the Atkinson
GSCM module<br>
<dd>> that<br>
<dd>> will take the 2 wire output from the SI and convert to 3-wire to
control a<br>
<dd>> gasoline generator such as the Honda EU7000 series, or
Cummins/Onan makes<br>
<dd>> a<br>
<dd>> good line of gasoline generators. It may be very hard to find a
gas<br>
<dd>> generator that has 2 wire native remote start. That is more
common with<br>
<dd>> larger propane or diesel generators.<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> Kevin<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> *From:* RE-wrenches
[mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">
re-wrenches-bounces@lists.re-wrenches.org</a><br>
<dd>>
<<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org">
re-wrenches-bounces@lists.re-wrenches.org</a>>] *On Behalf Of *August
Goers<br>
<dd>> *Sent:* June-16-17 7:22 AM<br>
<dd>> *To:* RE-wrenches
<<a href="mailto:re-wrenches@lists.re-wrenches.org">
re-wrenches@lists.re-wrenches.org</a>><br>
<dd>>
<<a href="mailto:re-wrenches@lists.re-wrenches.org">
re-wrenches@lists.re-wrenches.org</a>><br>
<dd>> *Subject:* Re: [RE-wrenches] Generator choice for Sunny
Island<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> Thanks for the good feedback folks!<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> We are using a Sunny Island setup because we had access to a
free Sunny<br>
<dd>> Island and Sunny Boy being scrapped from another site. Otherwise
I was<br>
<dd>> definitely planning on going with a Outback DC coupled
system.<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> I think the trick here is trying to find a portable generator
that has a<br>
<dd>> two-wire start option. Iām looking throurough the usual genny
suppliers and<br>
<dd>> nothing has presented itself so far. Anyway, Iā\u2122ll keep
looking and will<br>
<dd>> check out Chrisā suggestion on the nexus controtroller and
Generac propane<br>
<dd>> unit as well.<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> FYI, here is a link to what the portal is like. Itā\u2122s going
in National<br>
<dd>> Park<br>
<dd>> land by the Golden Gate Bridge so I hope we can pull it
together!<br>
<dd>>
<a href="http://www.sharedstudios.com/">http://www.sharedstudios.com/</a>
<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> August<br>
<dd>><br>
<dd>> Luminalt<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> *From:* RE-wrenches
[<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" eudora="autourl">
mailto:re-wrenches-bounces@lists.re-wrenches.org</a>] *On<br>
<dd>> Behalf Of *Chris Mason<br>
<dd>> *Sent:* Friday, June 16, 2017 4:56 AM<br>
<dd>> *To:* RE-wrenches
<<a href="mailto:re-wrenches@lists.re-wrenches.org">
re-wrenches@lists.re-wrenches.org</a>><br>
<dd>> *Subject:* Re: [RE-wrenches] Generator choice for Sunny
Island<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> To my limited mind, the whole 120V sunny island setup is a
disaster. Why<br>
<dd>> not install a DC coupled 8KW Outback Radian and solve all your
problems.<br>
<dd>> USe any 240V generator, although finding a 2 wire start gasoline
unit may<br>
<dd>> be hard. I would use a Nexus controller generac propane
generator with<br>
<dd>> propane tank, all mounted on the container. I would never design
anything<br>
<dd>> to use gasoline, it's too dangerous.<br>
<dd>><br>
<dd>><br>
<dd>><br>
<dd>> On Fri, Jun 16, 2017 at 7:19 AM, Matthew Sirum
<<a href="mailto:matthewsirum@gmail.com">matthewsirum@gmail.com</a>
><br>
<dd>> wrote:<br>
<dd>><br>
<dd>> Greetings August,<br>
<dd>><br>
<dd>> Great thoughts and comments from Brian! I would also
suggest speaking<br>
<dd>> with the generator manufacturers' tech/engineering folks
regarding the<br>
<dd>> 120VAC configuration and to confirm 2-wire start set up once you
have<br>
<dd>> a brand and model or two in mind. Generator parts and
service<br>
<dd>> availability in the region of the project may also drive
brand<br>
<dd>> selection. If you need to maximize the inverter's battery
charging<br>
<dd>> capabilities (depending on battery system charging requirements)
you<br>
<dd>> may end up needing to look at generators in the 7.5 kW to 8.0
kW<br>
<dd>> capacity range to allow for headroom in generator output
loading.<br>
<dd>><br>
<dd>> Also; I am curious how you arrived at an AC coupled design for
this<br>
<dd>> project. I do not know any of the details or specific
projects goals<br>
<dd>> you are working with, but I would potentially consider a DC
coupled<br>
<dd>> system design... DC/DC charge controller(s) would keep
the battery<br>
<dd>> system charged (and any DC loads operable) even if the Sunny
Island<br>
<dd>> and/or Sunny Boy(s) have a failure or is taken offline.
If most of<br>
<dd>> the AC loads are 120VAC I would consider keeping the inverter
AC<br>
<dd>> output circuit 120VAC and install a dedicated transformer solely
for<br>
<dd>> the 240VAC load.... Or perhaps consider a 120/240VAC
inverter model.<br>
<dd>> Depending on the overall situation a DC coupled system could be
more<br>
<dd>> resilient. The dedicated transformer for the 240VAC load
could also<br>
<dd>> potentially help make the system more robust. Also; I
have spoken<br>
<dd>> with a number of folks who have told me they wish the Sunny
Island had<br>
<dd>> more/better features for generator integration. I'd like
to hear more<br>
<dd>> from those who have plenty of experience designing and
installing<br>
<dd>> systems with Sunny Islands and generators to learn what the
current<br>
<dd>> thoughts and issues are.<br>
<dd>><br>
<dd>> I hope some of these thoughts may be helpful.<br>
<dd>><br>
<dd>> Best regards,<br>
<dd>><br>
<dd>> ----MATT<br>
<dd>><br>
<dd>> Matthew Sirum<br>
<dd>> P.O. Box 1227<br>
<dd>> Greenfield, MA 01302-1227 USA<br>
<dd>> phone: +1.413.773.0611<br>
<dd>> email:
<a href="mailto:MatthewSirum@gmail.com">MatthewSirum@gmail.com</a><br>
<dd>><br>
<dd>><br>
<dd>> -------- Original Message Below --------<br>
<dd>><br>
<dd>> [RE-wrenches] Generator choice for Sunny Island<br>
<dd>> August Goers august at
<a href="http://luminalt.com">luminalt.com</a><br>
<dd>> Thu Jun 15 09:02:41 PDT 2017<br>
<dd>><br>
<dd>> Hi Wrenches, especially those of you who work on off-grid
projects,<br>
<dd>><br>
<dd>> We have an upcoming off-grid project where we will be powering a
storage<br>
<dd>> container with electronics in it. The loads are mostly 120 volt
but there<br>
<dd>> is a 240 volt heat pump that might occasionally run. Weāre AC
coupling<br>
<dd>> > the<br>
<dd>> Sunny Island with a Sunny Boy PV inverter. So, weā\u2104ll be
installing a<br>
<dd>> Outback PSX-240 autoformer to bump the Sunny Islandā\u2122s
output from 120 to<br>
<dd>> 240 volt.<br>
<dd>><br>
<dd>> We need to select a generator for backup. We need a two-wire
electric<br>
<dd>> start<br>
<dd>> (in order to be controlled by the Sunny Island) and preferably a
generator<br>
<dd>> that is okay just running 120 volt loads since the Sunny Islands
input is<br>
<dd>> only 120 volt. Something in the 3 kVA -7 kVA range should be
fine.<br>
<dd>><br>
<dd>> Does anyone have experience or ideas about what kind of two-wire
start<br>
<dd>> generator we might select?<br>
<dd>><br>
<dd>> Thanks,<br>
<dd>><br>
<dd>> August<br>
<dd>><br>
<dd>> Luminalt<br>
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<dd>> --<br>
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<dd>> NABCEP Certified Solar PV Installerā¢<br>
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