[RE-wrenches] Trace SW4024, 1998 vintage - Still OK for grid-tie?

[penobscotsolar at midmaine.com]

It would need a GTI (grid tie interface) in order to comply with UL 1741.
There might still be some available (Ebay, etc.)




> I used one made about that time in our home back in . It was the first
> grid-tie in the county and worked flawlessly for about ten years before we
> sold it. While it was approved at the time, I'm not sure if PG&E would
> approve it now, probably not. Might just do it!
>
> Jonathan Hill, senior system engineer and founder
> Sierra Solar Systems
> 563C Idaho Maryland Road
> Grass Valley, CA 95945
> Celebrating our 32nd year in solar!
> tech info and foreign orders:  (530) 273-6754
> order line: (888) ON-SOLAR (US only)   FAX:  (530) 273-1760
> e-mail:  <mailto:solarjon at sierrasolar.com>
> world wide web:  <http://www.sierrasolar.com>
>
>
> On Jun 30, 2012, at 5:11 PM, Bob Clark wrote:
>
>> RE-Wrenches:
>>
>> Have a potential customer who wants to connect to the grid after many
>> years of off-grid living.  He is asking if his older Trace inverter
>> (SW4024 inverter; Date of manufacture:  3rd quarter of 1998; S/N:
>> W07878; 120 volts and 33.3 Amps) would still be OK to use in a grid-tie
>> system.
>>
>> What say you?  Does it still comply with the latest standards for
>> grid-tie inverters?  Should he start over with a new inverter?
>>
>> Bob Clark
>> SolarWind Energy Systems, LLC
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