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ACS Configuration Considerations
34 Prosine 2.5/3.0 Installation & Operation Guide
The voltage range for these alarms and cutoffs is generally set at the factory at the absolute minimum
and maximum, as shown in the illustration above for 12-volt systems. Example: Lo Cutoff = 10.0V, Hi
Cutoff = 16.0V, Range = 10.0 to 16.0 volts DC. The table below illustrates the factory settings and the
min–max range for both 12-volt and 24-volt systems.
Charger Configuration
The ACS Charger menu displays the current status of the charger and enables you to begin an
equalization charge, or to override the current charger status and force the charger into Float or
Equalization mode.
Override Charger Operating Mode The charger will not begin an equalization charge until it has
completed a Bulk or Absorption charge. It may be desirable to force an equalization charge in some
instances. Forcing the charger into Float or Equalization mode is usually performed only during an
installation, and should not be lightly considered. Consult your installer or call Xantrex Customer
Service before attempting to override the charger mode. Overriding the charger operating mode is an
installer-configuration item. The menu procedure is illustrated below.
Enter “Installer Mode, and then:
Equalization Request For some batteries, equalization is a regular maintenance activity; for
others, equalization is damaging. Read “Section 6: Multistage Charging” (page 59) before attempting
to initiate an equalization charge. Inappropriate equalization charging can ruin your batteries. An
equalization request is a user-configuration item: press ENTER at the menu and follow the prompts
shown below to initiate an equalization request. When you press ENTER at the YES prompt,
equalization will begin immediately if the batteries are fully charged, and AC power is available.
Since equalization voltage is usually above the range of the High Voltage Alarm, an audible alarm will
sound briefly when it is enabled. The Faults and Charger LEDs will also flash as a visual alarm. This
High and Low Voltage Alarms and Cutoffs
ALARM OR CUTOFF 12-VOLT MIN-
MAX RANGE
Factory
Default
24-VOLT MIN-
MAX RANGE
Factory
Default
LO ALARM 10.0V - 12.0V 10.5V 20.0V - 24.0V 21.0V
HI ALARM 14.0V - 16.0V 15.5V 28.0V - 32.0V 31.0V
LO CUTOFF 10.0V - 12.0V 10.0V 20.0V -24.0V 10.0V
HI CUTOFF 14.0V - 16.0V 16.0V 28.0V - 32.0V 16.0V
OVERRIDE CHARGER
OPERATING MODE
SELECT FROM:
CHARGER
ENTER
FORCE CHARGER TO
FLOAT CHARGE
ENTER
FORCE CHARGER TO
EQUALIZE CHARGE
ENTER