Ultimate Speed ULGD 3.8 A1 User Manual
Page 8

5
ULGD 3.8 A1
GB
Program selection
NOTES
►
If a battery is detected in the voltage range of 
between 3.7–7.3 V, the programmes 2–3–4 
can be selected. The charging process takes 
place automatically. Depending on the selected 
program, the characteristic charge curve is 
monitored for voltage, time and temperature. 
Included are the diagnostics program, revitalis-
ing mode and retention charge.
(See principle representation program 3 Fig. C)
Program
max. (V)
max. (A)
1 6 V
7,3 V
0,8 A
2
*
14,4 V
0,8 A
3
*
14,4 V
3,8 A
4
*
14,7 V
3,8 A
Program 1 „6 V“ (7,3 V / 0,8 A)
For charging 6 V batteries with a capacity of less 
than 14 Ah.
♦
Press the program selection button , to select 
program 1. The symbol „6 V“ is displayed on 
the LCD. During charging, the charge display 
fl ashes and shows the progress of the charge 
procedure (1–4 bars). When the battery is fully 
charged, the condition display shows 4 bars. 
The fl ashing stops and the appliance automati-
cally switches to retention charge.
Program 2
„12 V“ (14,4 V / 0,8 A)
For charging 12 V batteries with a capacity of less 
than 14 Ah.
♦
Press the program selection button , to select 
program 2. The symbol 
is displayed on the
LCD. During charging, the charge display 
fl ashes and shows the progress of the charge 
procedure (1–4 bars). When the battery is fully 
charged, the condition display shows 4 bars. 
The fl ashing stops and the appliance automati-
cally switches to retention charge.
Program 3
„12 V“ (14,4 V / 3,8 A)
For charging 12 V batteries with a capacity of 
between 14 Ah–120 Ah.
♦
Press the program selection button , to select 
program 3. The symbol 
is displayed on the
LCD. During charging, the charge display 
fl ashes and shows the progress of the charge 
procedure (1–4 bars). When the battery is fully 
charged, the condition display shows 4 bars. 
The fl ashing stops and the appliance automatically 
switches to retention charge.
Program 4
„12 V“ (14,7 V / 3,8 A)
For charging 12 V batteries with a capacity of 
between 14 Ah–120 Ah under cold conditions or 
for charging AGM batteries.
♦
Press the program selection button , to select 
program 4.
NOTE
►
This program may start with a minute delay. 
The symbol 
is displayed on the LCD.
During charging, the charge display
fl ashes and shows the progress of the charge 
procedure (1–4 bars). When the battery is 
fully charged, the condition display
shows
4 bars. The fl ashing stops and the appliance 
automatically switches to retention charge.
Retention charge
As described under programmes, this appliance 
features the automatic retention charge. Depending 
on the voltage drop of the battery, caused by 
selfdischarge, the appliance reacts with diff erent 
charge currents.
The battery can remain connected to the charger 
for longer periods of time.
Appliance protection function
The charger switches the electronics off and switches 
the system instantly to the basic setting, as soon as 
there is an abnormal situation, such as short circuit, 
critical voltage drop during charging, broken circuit 
or swapped connection of the connector clamps is 
detected.
Should the appliance become too hot during charg-
ing, the output current is automatically reduced. This 
protects the appliance from damage.
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