Hello Duke. I’m Newf from the Home Depot’s How- To Community, http://community.homedepot.com
The Symphony load regulating system allows a smaller generator to selectively power many of your home’s circuits. This is not the same as having the ability to power all circuits at once. The transfer switch needs to be located within 2 feet of your main breaker panel. If the “out buildings” circuits are tied to your central location, then you may be able to do this. I am somewhat concerned about powering a “farm complex” with roughly 40 amps @ 240 volts though.
Here is a link to the Installation and Setup manual for this unit: http://v.gd/6iTb22
I also recommend contacting The Home Depot at 1-800-466-3337 to schedule an in-home consultation.
I hope this helps, Newf.