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STUDER Innotec
COMPACT
4.6
The battery charger
4.6.1 Cycle of charge
The full automatic COMPACT Battery Charger is adjusted at the factory so that most
lead-acid and lead-gel batteries can be charged to the maximum. As soon as the
minimum alternating voltage for the AC IN set on the Turning Knob 23 is available at
the input (LED 1 AC IN is lit), the Battery Charger is switched on automatically (LED
2 CHARGER is lit). The battery is fully automatically charged matching to the charge
level, the adjusted volt-age levels and the charge current. Thanks to the built-in Float
Charge System, the batteries can be left connected for unlimited time with the
Battery Charger switched on.
During the charging phase the appliances at the outlet AC OUT are continually
supplied with power (LED 8 AC OUT is lit).
The charger functions are shown in the following diagram:
4.6.2 Default values for battery voltage thresholds
Absorption
Equalization
Low voltage
Float charge
Absorption
Equalization
time
time
12V 24V 48V 12V 24V 48V 12V 24V 48V
12V
24V 48V
12/24/48V
12/24/48V
11.6 23.2 46.4 13.5 27.0 54.0 14.4 28.8 57.6 15.6 31.2 62.4
2h
20'
These values can be modified by mean of the optional remote control
4.6.3 Equalization charging
Before you program the COMPACT for Equalization-charge you must check with
your supplier that the batteries are suitable for this process.
Equalization is recommended for the lead-acid batteries in order to mix well the
electrolyte fluid and to clean the lead plates.
If the COMPACT is operating with a lead-acid battery, which is suitable for
equalization, the slide switch „Equalize" which is on the cable connection side, must
be placed in the ON position. In this setting, every 25 charge cycles an equalization
is carried out for 20 minutes (factory setting). During such a charge cycle the LED 14
is lit and during equalizing it is blinking. Charge cycle with equalization can be started
independently from the actual program. For this purpose the slide switch must be slid
COMPACT V6.4
19/85
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