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16
3.0 Setup
02 CHG (Charge) Control
02
CHG Control
allows you to set the Charger mode to
Multi-Stage
,
Force
Float
, or to
Restart Bulk
. Most of the time the charger should be left in the
Multi-Stage
setting, but to override this setting use the CTRL button and the
CHG Control
menu. The charger can be forced into the Float mode or you
can start the Bulk mode using the
Force Float
or
Restart Bulk
settings from
the CTRL button’s
02 CHG Control
menu item.
Multi-Stage:
This charge pro
fi
le starts in Bulk mode (maximum cur-
rent). It transitions to the Absorption stage (constant voltage). When
the Absorption voltage is reached (as determined by the SETUP menu’s
03E Absorb Done
setting), it
fi
nally transitions to the
fi
nal charge stage
as selected in the SETUP menu’s
03G Final Charge Stage
menu item.
Info: Multi-Stage
must be selected in order to use the
fi
nal
charge stage selected in the
03G Final Charge Stage
menu.
Force Float:
This charge pro
fi
le forces the charger to stay in the Float
mode as long as AC is present and the charger is active.
Force Float
is
most often used when another source of charging such as PV, wind, or
hydro is available to keep the batteries at or above the
fl
oat voltage. If
AC is disconnected and then reconnected the charger will go directly to
the Float mode, and will not initiate a Bulk or Absorption charge cycle.
CAUTION:
Using the
Force Float
setting may not fully charge the
batteries. Most batteries require a Bulk and Absorption charge
cycle in order to fully recombine the electrolyte in the batteries
and bring the speci
fi
c gravity to the proper level. Be sure to check
with your battery manufacturer before using this setting.
Info:
If
Silent
is selected from the
03G Final Charge Stage
menu,
you can override this selection with
Force Float
to temporarily
fl
oat the batteries.
Restart Bulk:
This selection restarts the Bulk cycle from any stage in
the charge cycle. The
Restart Bulk
setting is useful when a full Multi-
Stage charge cycle does not bring the speci
fi
c gravity of the batteries
to the proper level.
Info:
The
Restart Bulk
setting automatically defaults back to
the
Multi-Stage
setting once the inverter/charger status displays
“
Bulk Charging
”.
Info:
If you have to continually restart the Bulk cycle in order
to bring the batteries to full charge, check the settings from the
SETUP button’s
03 Charger Setup
menu items to make sure the
batteries are fully charged at the end of a regular Multi-Stage
charge cycle. Check with your battery manufacturer for proper
battery charger settings.
CAUTION:
Frequently restarting the Bulk cycle may result in
overcharging of the batteries.
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