[RE-wrenches] Magnum AGS with Kohler RES 8.5

David Palumbo dave at independentpowerllc.com
Mon Nov 3 04:32:18 PST 2008


Thank you Daryl, Tump and Ryan for your responses. Good solutions for our
problem.
- Dave

-----Original Message-----
From: re-wrenches-bounces at lists.re-wrenches.org
[mailto:re-wrenches-bounces at lists.re-wrenches.org]On Behalf Of
penobscotsolar at midmaine.com
Sent: Friday, October 31, 2008 6:10 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Magnum AGS with Kohler RES 8.5


Is this a propane generator? If it is, all propane generators that we have
dealt with (Kohler included) have a 12 v solenoid on the propane regulator
where the propane line enters and is attached to the generator. There
should be two wires going to this solenoid 12+ and common. When the
generator starts the solenoid opens (12 v power is present) and when the
generator stops, well, you get it. If it's not propane, sorry for the
post....
Daryl DeJoy
NABCEP Certified PV installer
Penobscot Solar Design




> Hi boB,
>
> The Kohler RES is is a very simple 2 wire start as are all of the Kohler's
> that I know of. These Kohler's have worked very easily with OutBack and
> Trace inverters over the years fro remote automatic start/stop control.
>
> The problem is in getting the Magnum AGS module 12v power when the
> generator
> is running so that the AGS knows when the gen is operating. This
> particular
> model (RES) Kohler does not have a place that we can find this 12v power.
> It
> would be easier for us to use generator 120VAC output power for the AGS's
> run signal.
>
> I have hooked up a number of OutBack, and also old Trace SW systems, and
> we
> never had this problem of having to bring 12volt power from a remote
> generator back to the inverter for generator control purposes.
>
> Best,
>
> Dave
>
> [David Palumbo]  -----Original Message-----
> From: re-wrenches-bounces at lists.re-wrenches.org
> [mailto:re-wrenches-bounces at lists.re-wrenches.org]On Behalf Of boB Gudgel
> Sent: Friday, October 31, 2008 4:45 PM
> To: RE-wrenches
> Subject: Re: [RE-wrenches] Magnum AGS with Kohler RES 8.5
>
>
>
>
>   Hi David.
>
>   Gary Baxter says he apologizes for not having that exact wiring diagram
> for the Kohler RES generator
>   and the answer you got over the phone.   (we gotta get him on this list
> too soon)
>
>   Magnum Energy does rely somewhat on customers to help with different
> generator wiring if they have
>   information that we don't have.
>
>        If you or anyone else has wiring diagrams for generators that we do
> not have on our site,
>   please email or let us know about it and we will try to get added to
> that
> list also which will help everybody.
>
>   We do have quite a few on there now though at
> http://www.magnumenergy.com/GenWiringDiagrams.htm
>
>   Also, if you find a wiring diagram on OutBack's web site for this
> particular generator, maybe you
>   could post a link ??
>
>   If this is a 3 wire hookup, you may have to check with one of the other
> 3
> wire gen start manufacturers like Atkinson.
>
>   There certainly are a LOT of generators out there with their particular
> wiring needs.  It would be difficult (tree wise) to
>   print every generator wiring  that we even DO have and include it with
> the
> manual.
>
>   Maybe  a CD ??  That'd work.
>
>   Thanks,
>   boB
>
>
>
> Date: Fri, 31 Oct 2008 15:03:08 -0400
> From: David Palumbo <dave at independentpowerllc.com>
>
> Wrenchsters,
>
> We have a new 3.4kW PV off grid installation that includes a Magnum ME-AGS
> Auto Gen Start module, Magnum ME-RC50 Remote Control, MS4448AE inverter
> and
> a Kohler 8.5 RES lp gas generator for automatic backup battery charging
> (16
> L-16G's).
>
> We have successfully used a Magnum AGS control Magnum with an older 3 wire
> start Onan although it took some time in finding 12 volts that is only on
> when the gen is running (typically the hour meter power).
>
> With the Kohler 8.5 RES there is no hour meter or other obvious location
> in
> the generator for 12v power that is only on when the gen is running. We
> called Magnum from the site only to be told that all of the information we
> needed was on line. The man was still un-helpful when we told him that we
> were on a remote installation with no internet access. Now I'm back at the
> shop and on the web. On the Magnum web site I see a hook-up diagram for
> their AGS with a Kohler RMY series generator. Nothing for a RES series.
>
> Next time we'll go back to OutBack.
>
> Any help that the wrench community can lend on working this situation out
> would be appreciated.
>
> Dave Palumbo
> Independent Power LLC
>   ------------------------------------------------------------------------
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