LIVOLTEK Hyper-2000 User Manual page 16

3.8.3 On-Grid Backup Mode
Keep the battery at a high level (default 50%, which is available for setting) for areas with
unstable grid that need a large amount of battery to support the emergency use in the event of
grid outage. Or reducing the frequency charging & discharging of battery to extend battery life.
When there is grid connected, the battery is only allowed to discharge when its capacity

is above the set value.
When the capacity of the battery power is less than the set value, the solar energy and

grid will charge battery to the set value as first priority. If the PV energy is sufficient, it will
fully charge the battery and the excess power will be fed to the grid
The loads will be supplied by the surplus solar production supplemented, if necessary, by

the public electricity grid.
*1: The inverter can be set not to feed power into the grid. But a small amount of energy
will still inevitably be fed into grid due to unpredictable PV power changes and load
fluctuations.
*2: The battery power supply can be restored when the battery is charged to the "set value
+10%" by solar.
3.8.4 Off-Grid Mode
When operating in this mode, Photovoltaic and battery constitute a pure off-grid system, the
critical loads (EPS Loads) will be powered by PV production and if the PV production is
insufficient, battery will discharge to power the loads at the same time. (Battery is necessary in
this mode.)
•When battery is discharged to the discharge cut-off value (@EPS), the inverter will stop
working and wait for the grid to recover or until there is sufficient power from PV panels to
charge the battery.
•If grid failure is a common occurrence in your area, it is recommended to adjust the discharge
cut-off value (@Grid) higher to ensure there is more battery power available.
NOTICE
NOTICE
13
*1
.