[RE-wrenches] Gen set problems

Jeff Wongstrom info at thirstylakesolar.com
Tue Jun 15 06:37:12 PDT 2010


Hello Steve,

In my case, I tightened the voltage window to 110 lower, 125 upper  
and the transfer delay to 30.  This made no difference.  I did not  
confirm SETUP/FX/INPUT ...ac transfer control set to GEN.


On Jun 15, 2010, at 7:15 AM, Steve Higgins wrote:

> William,
>
>
>
>
>
> Check to make sure what Input you have selected… go to SETUP/FX/ 
> INPUT… Verify that you have the Ac Transfer control set to Gen.
>
>
>
> Make sure that you have adjusted the transfer delay cycles in the  
> right screen...  ADV/FX/GEN under Transfer delay cycles… I would  
> set this to 0.
>
>
>
> As Mick said.. Check the Lower limit on the AC Voltage…  ADV/FX/ 
> GEN…  AC2 Gen Lower Limit I would adjust this up to 110-112?
>
>
>
> What does he have the cool down timer set to?
>
>
>
> I would suggest 5-10 minutes Look under… ADV/MATE/AGS/SETUP…  I  
> would set this to at least 5-10 minutes just to let the genset cool  
> off before shutting off.
>
>
>
> Steve Higgins.
>
> Sr Application Engineering Mgr
>
> Sub-Saharan Africa Business Dev Mgr.
>
> Outback Power Systems.
>
> 19009 62nd Ave Ne
>
> Arlington Wa 98223
>
> 360-618-4313
>
>
>
>
>
> From: re-wrenches-bounces at lists.re-wrenches.org [mailto:re-wrenches- 
> bounces at lists.re-wrenches.org] On Behalf Of William Miller
> Sent: Monday, June 14, 2010 10:32 PM
> To: RE-wrenches
> Subject: [RE-wrenches] Gen set problems
>
>
>
> Wrenches:
>
> I have a customer that has a problem with a new generator.  He has  
> two VFX3648 inverters in Outback stacking.  He acquired a new  
> generator, a Kohler 12RES, a reputable make and model.  Below is a  
> description of the problem:
>
> The 12RES seems to be operating OK except for one problem.  At the  
> end of a charging cycle, when the gen automatically shuts down and  
> load goes back to the inverters, all lights, TVs, etc., flash, one  
> TV shuts off, and a GFI trips.  This has happened every time.  It  
> did not happen with the 15RES or the smaller back-up gen (which was  
> disconnected manually).  With the 15RES the same GFI would  
> occasionally trip while the unit was charging and handling house  
> load, but never at the auto shutdown point.  I replaced the GFI,  
> but it still trips.  There are three GFIs in the house, but only  
> one--always the same--trips.
>
>
> I suggested he adjust the AC2/Gen transfer delay to a lower  
> number.  He reduced it to minimum and this did not resolve the  
> problem.  I also had him verify that the AC source is selected as  
> generator, which it is.
>
> Do you have any suggestions?
>
> Thanks in advance,
>
> William Miller
>
>
>
>
> Please note new e-mail address and domain:
>
> William Miller
> Miller Solar
> Voice :805-438-5600
> email: william at millersolar.com
> http://millersolar.com
> License No. C-10-773985
>
> MESSAGE CONFIDENTIALITY NOTICE:
> This message (including attachments) is covered by the Electronic  
> Communication Privacy Act, 18 U.S.C. sections 2510-2521, is  
> confidential, and may also be protected by attorney-client or other  
> privilege. If you believe that it has been sent to you in error,  
> please do not read it. If you are not the intended recipient,you  
> are hereby notified that any retention, dissemination,  
> distribution, or copying of this communication is strictly  
> prohibited.  Please reply to the sender that you have received the  
> message in error, then delete it. Thank you.
>
> _______________________________________________
> List sponsored by Home Power magazine
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> Options & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re- 
> wrenches.org
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out participant bios:
> www.members.re-wrenches.org
>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20100615/be88a791/attachment-0003.html>


More information about the RE-wrenches mailing list