Update: After you watch this video check out my new setup here http://youtu.be/BSPpGeyAvPQ?list=PLP-MilXyhE-ksa2Cm5_9RaBt2dFlg3Iav
Based on my own concerns and loss of efficiency I have re worked this setup to use a switch rather than the divert. I am also concerned about possible damage to the grid tie inverter.
I have the luxury of being grid tied or off the grid if I wish.
The grid tie I am talking about is micro grid tie.