Load-Battery:
PV power will provide power
to load first and then charge
battery. Feed-in to the grid is
not allowed under this mode.
The grid relay is NOT
connected.
PV power only feeds-in to
the grid. No priority setting is
available.
Solar and Utility(default)
If there is remaining PV
power after supporting the
loads, it will charge battery
first. Only until PV power is
not available, grid will charge
battery.
It is only allow PV power to
charge battery.
It is not allowed to charge
battery no matter it’s PV
power or grid.
Feed to grid disable
(default)
Battery energy
feed to grid
function when
PV energy is
available
Battery feed to grid disable
(default)
Battery feed to grid enable
Battery energy
feed to grid
function when
PV energy is
unavailable.
Battery feed to grid disable
(default)