New(er) Kohlers [RE-wrenches]

[Travis Creswell, Ozark Solar]

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Greetings All,

Does anyone have any comments on the Kohler 12 RES?  We're looking at
supplying either it or the 15 RYG for a large off grid job.  Ironically the
specs list the 3600 rpm 12 RES at 65 DB and the 1800 RPM 15 RYG at 72 DB
(with enclosure and critical silence muffler).  The customer is sound
conscious but not budget conscious.  Annual run time will be less the 200
hours so the need for 1800 rpm unit is questionable.  We've got older
version of both units installed and like them both.  The new Kohler
controllers (digital) look pretty slick as well.

Travis Creswell
Ozark Energy Services, Inc.

-----Original Message-----
From: Ron Stauffer [mailto:rstauffer at rocketweb.net] 
Sent: Saturday, July 17, 2004 11:17 PM
To: RE-wrenches at topica.com
Subject: Re: Generac [RE-wrenches]

 

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We have hooked up a couple of these units as backup on off grid.  The older
units worked better than the newer ones.  They are indeed configured as a
standby for grid.  Just hooked one up a couple months ago and found that the
new ones require residential AC power to charge the generator battery and
perform its own exercise period,etc.  So plan on utilizing a solar battery
maintainer to keep the battery up.  Also, we throw their transfer switch
away, no need to duplicate something that already exists in the inverter.

We have a couple out there that we are only pulling 110 off of one leg.  No
problems yet but they haven't been running that long.  Voltage and frequency
on these units are good and adjustable unlike the small portable Generacs.
We don't sell them but customers provide them because of price.  The newest
one we did was set up as auto start (2 wire) but it seemed to defeat the
units setup to start it manually.  It is definitely a setup that you want to
do time and material with no implied warranty!

Ron Stauffer
www.timeforsolar.com
rstauffer at mobile.att.net

----- Original Message -----
From: Nicholas Ponzio, VSE <wrench at vtsolar.com>
To: <RE-wrenches at topica.com>
Sent: Friday, July 16, 2004 6:27 AM
Subject: Generac [RE-wrenches]

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