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Hi, A way to get better control of Growatt SPH xxxx BH-UP in mode LoadFirst is to set ExporLimit On and Export Power set to zero . You add a small electronic box between power meter (DTSU666 ?) and inverter (RS485 protocol ) in order to shift the meter power : when the meter...

Hi, I have 2 GROWATT SPH 10000 TL3 BH-UP working in parallel, with their own battery, and on the same grid . I don't use SEM unit . I have replaced SEM by a DIY rs485 hub . Hub Input is the electric grid meter, and hub outputs are the 2 inverters (inverter meter input) .Main functions of...