How to tell if the grid is down with automatic grid tie battery back-up system?
I ( and the electrician) just installed a Schneider Conext grid-tied battery back-up system in the basement with PV arrays out in the yard. I really like the system. During simulated grid down tests the switch over to off-grid battery power is 100% seamless. Their is not even the slightest indication that the switch has occurred.
This is great but how will I know the switch has occurred when I am not in the basement? Is their something I can do to too alert me that the grid is down? Alarm? Emergency light? Some sort of light that I could run up from the basement into the house?
Without knowing the grid is down I will not know to move into "off grid power conservation" mode. I could drain my battery bank and not know it until the generator kicks on to recharge the bank (at night)...and hopefully I will hear it.
I am stumped? Any Ideas?