Lead-Acid (Pb) Charge Program - GRAUPNER ultra duo plus 80 Operating Manual

The following screen displays appear if you select the battery type Pb. The
screen shows a maximum of four lines; page 2 appears when you move
the Select arrow further down.
Laden CHG
voltage per cell. These parameters can be selected with the ENTER but-
ton, and altered using INC or DEC. The charge current is limited to 7 A by
default.
The charge current can be set to any value in the range 0.1 to 20 A, taking the maximum charge power into account. Depending on the power supply
and the battery connected to the charger, the unit may be unable to charge at the selected current, i.e. the maximum possible current may not be used
for charging. If this should occur, the screen displays the charge current actually in use.
WARNING: it is essential to observe the maximum charge current for your battery! This is generally printed on the pack itself. If you are
unsure, charge the battery at 1C (e.g. 2.2 A for a 2200 mAh battery). If the battery is charged using incorrect settings, the result could be
Chapter 12). This value cannot be changed.
With the Select arrow in the Charge (CHG) line, start the charge process by holding the ENTER button pressed in for two seconds.
Discharge DCHG
button, and altered using INC or DEC. The discharge current is limited to 5 A by default.
The discharge current can be set to any value in the range 0.1 to 10 A, taking the maximum discharge power into account. If the unit is unable to di-
scharge at the selected current, the maximum possible current is used for the process. If this should occur, the screen displays the discharge current
actually in use.
WARNING: it is essential to observe the maximum discharge current for your battery! This is generally printed on the pack itself. If you
are unsure, discharge the battery at no more than 2C (e.g. 4.4 A for a 2200 mAh battery). If the battery is discharged using incorrect
With the Select arrow at the Discharge (DCHG) line, start the discharge process by holding the ENTER button pressed in for two seconds.
Cut-off temperature CUT. TEMPER.
If the optional temperature sensor is connected to the charger, you can enter a cut-off temperature at which the charge or discharge process is automa-
tically halted. For Pb batteries this temperature must be no higher than 55°C (default setting).
Operating Manual ULTRA DUO PLUS 80

17. Lead-acid (Pb) charge program

Cut-off when x% of
capacity is reached
Cut-off if maximum
time is reached
11] Pb 6S
 Seite 1
Charge
CHG. 7.0A
:
DCHG. : 5.0A
CUT.TEMPER. :
Seite 2

MAX.CAPACITY:
SAFETY TIMER: 120min
6000mAh
Discharge
2.3V/C
1.8V/C
Cut-off temperature
55°C
120%
23