opti-solar Sp4000 Premium, User Manual

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Allow battery to discharge when PV is available : This option is
automatically determined by setting in “Load supply source (PV is available)”.
When “Battery” is much prior to “Grid” in Load supply source (PV is available),
this option is default selected. Under Grid-tie, this option is invalid.
Allow battery to discharge when PV is unavailable : This option is
automatically determined by setting in “Load supply source (PV is unavailable)”.
When “Battery” is much prior to “Grid” in Load supply source (PV is unavailable),
this option is default selected. Under Grid-tie mode, this option is invalid.
Allow battery to feed-in to the Grid when PV is available : This option is
only valid in Grid-tie with backup II or Grid-tie with backup III modes.
Allow battery to feed-in to the Grid when PV is unavailable : This option
is only valid in all options of Grid-tie with backup mode.
Grid-tie with backup
Grid-tie with backup (I) :
PV energy supply priority setting: 1
st
Battery, 2
nd
Load and 3
rd
Grid.
PV power will charge battery first, and then provide power to the load. If there
is any remaining power left, it will feed-in to the grid.
Battery charging source:
1. PV and Grid (Default)
It’s allowed to charge battery from PV power first. If not sufficient, grid will
charge battery.
2. PV only
It only allows PV power to charge battery.
3. None
It is not allowed to charge battery no matter it’s from PV power or grid.
Load supply source:
When PV power is available: 1
st
PV, 2
nd
Grid, 3
rd
Battery