June 20, 20242 yr Hi all, Quite a tricky question with an odd setup. I have an existing solar setup 9KW of solar pannels on the roof with a 8KW Solis inverter. I also have an old powervault P3 (4kw) ac coupled battery, this is being replace with a new Sunsync 5kw eco inverter and a Fogstar 15.5kwh battery, the old powervault has quite a nice interface where you can edit what the battery is doing, the modes available are: Normal - auto if power is going out to the grid use it to charge the battery if a big load in the house needs power then discharge the battery Force discharge - will dump as much power as it can until battery is flat Force charge - will charge as fast as it can, will use the grid if needed disable - battery will do nothing dormant - low power, reduce the load needed to run the battery from 40w to 10w only charge - will soak up power going back to the grid but will not discharge if the house needs it for a big load only discharge - will not charge the battery even if power is flowing back to the grid, but will provide power to run the house. What setting do I need to use on the sunsync inverter to get the normal mode, charge if exporting power but run the house if a big appliance like a dishwasher / oven are turned on?
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