[RE-wrenches] Issue with DR1512 and oven

Allan Sindelar allan at sindelarsolar.com
Mon Sep 19 16:25:32 PDT 2016


Kristopher,
Ray's advice is sound, and I'll add: that 14 year old inverter is likely 
to last forever, and that's not a reason to keep using it. It's almost 
certainly the crude waveform that's causing the issues.
If range replacement remains the only option, talk with Peerless-Premier 
(www.premierrange.com). As of my last contact with them a few years ago, 
they still make unadvertised models with circuit boards that were 
designed for original Trace mod-square inverters and have no glow bars 
for the oven. Our family home has a decent Pro series (stainless front 
with sealed burners) with electric igniters and no glow bar.
Allan

*Allan Sindelar*
allan at sindelarsolar.com <mailto:allan at sindelarsolar.com>
NABCEP Certified PV Installation Professional
NABCEP Certified Technical Sales Professional
New Mexico EE98J Journeyman Electrician
Founder (Retired), Positive Energy, Inc.
*505 780-2738 cell*

**

On 9/19/2016 4:46 PM, Kristopher Schmid wrote:
> Thanks Ray,
>
> This is a circa 2002 inverter.  I may just tell them to go to a pilot 
> light stove model (hate to waste gas, ya know).
>
> Kris
>
> On Mon, Sep 19, 2016 at 5:39 PM, Ray Walters <ray at solarray.com 
> <mailto:ray at solarray.com>> wrote:
>
>     Sounds like ovens have gotten more complicated over the years.  As
>     soon as I read "control board" and modified sine wave, I cringe.
>     The good old DR inverters worked great, I even ran my own shop on
>     one for several years back in the 90s.  I for the most part quit
>     selling them though, as even though most equipment worked on the
>     mod sine, we started noticing premature failures.  I would
>     attribute this to the extra heat generated by all the extra
>     harmonic distortion. Sorry I can't recommend an oven; they
>     probably would be better going to something older form Craig's
>     list with no AC connection at all.
>
>     R.Ray Walters
>     CTO, Solarray, Inc
>     Nabcep Certified PV Installer,
>     Licensed Master Electrician
>     Solar Design Engineer
>     303 505-8760 <tel:303%20505-8760>
>
>     On 9/19/2016 4:35 PM, Kristopher Schmid wrote:
>>     Hi Wrenches,
>>
>>     I have a client that has blown out 2 control boards on their oven
>>     in the last few months.  The appliance is a Whirlpool Model
>>     WFG515S0EW0 powered by a Xantrex DR1512.  Since this is an
>>     off-grid home, i recommended that they get an LP stove with no
>>     oven glow bar and this was the unit that the appliance company
>>     supplied.
>>
>>     Has anyone seen this before (i am assuming incompatibility of the
>>     circuitry with the modified sine wave output)?
>>
>>     Can you recommend another model that has been tried and true
>>     (preferably Whirlpool)?
>>
>>     Thanks tons,
>>     Kris
>>
>>     -- 
>>     Shine On!
>>
>>     Kris Schmid
>>     Legacy Solar, LLC
>>     864 Clam Falls Trail
>>     Frederic, WI 54837
>>     www.legacysolar.com <http://www.legacysolar.com>
>>     715-653-4295 <tel:715-653-4295>
>>     NABCEP Certified PV Installer
>>     Licensed Wisconsin Master Electrician
>>     BSEE
>>
>>
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> -- 
> Shine On! Kris Schmid Legacy Solar, LLC 864 Clam Falls Trail Frederic, 
> WI 54837 www.legacysolar.com <http://www.legacysolar.com> 715-653-4295 
> NABCEP Certified PV Installer Licensed Wisconsin Master Electrician BSEE
>
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