[RE-wrenches] Voltage seeking transfer switch

[Christopher Warfel]

I think you just use an automatic transfer switch similar to those used 
for back up generators.  We are looking at one for backing up a 
community well pump that will transfer to a multimode system if the 
utility drops out. Chris

On 3/19/2019 10:54 AM, Mac Lewis wrote:
> Hello Wrenches,
>
> Does anyone have experience with a 200A outdoor transfer switch that 
> will automatically seek voltage?  Meaning that if priority voltage 
> source (grid) isn't available and second source is available it will 
> switch to it with no external communication?  We are trying to do a 
> whole house backup, and critical load panel isn't possible.  This may 
> be common, I just haven't done it.
>
> Thanks in advance
>
> -- 
>
>
>
> Mac Lewis
>
> *
>
> "Yo solo sé que no sé nada." -Sócrates
>
> *
>
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