where is ComBox reference and default documentation

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tampasolar
tampasolar Registered Users Posts: 65 ✭✭
Have had this plant operating for years now, since 2014.
Have never been able to effectively regulate the operation.
Currently running 15 panels into mppt60, grid tied out of the xw4548.
Multiple battery strings.
There are many places in the config dialogs to set battery voltage,
recharge voltage,
float voltage,
absorb, etc
some in xw panel, some in mppt
no documentation as to how these overlap, override
changing charge setting on mppt, will reduce sell to power
goal here is to run off-grid in early morning, and drain batteries some,
then mid-day, solar noon, recharge that energy back into those batteries.
Not finding any feasible way to do that.
Mid day solar power is circa 11.5 kw and I have to limit my sell to 10 kw.  So heating water mid-day and running other loads gets some of the job done.
Thoughts ?
Dave ?

hybrid: xw6848 pro with two mppt60, 6 kw pv
17 cell 280ah LiFePO4 storage  14 kw
gridtie: sunny boy sma 2x 5k
gridtie: fronius ag5100 5k
Gateway / Insight Local
xw4548 backup