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5.3.5 RECOND
Charging program with 1.5 A constant current
charging, used only for restoring the charging ca-
pability of lead acid batteries which have under-
gone exhaustive discharge and have a minimum
residual voltage of 3 V. This charging program is
not suitable for VRLA batteries (e.g. AGM or GEL)
and LiFePO4 batteries. Caution! Use only for
batteries which are free-standing and have been
taken out of the car; do not use for batteries while
they are installed in the car with a connection to
the car's electrical system. The higher charging
voltage could damage the electrical system. The
RECOND process must be checked every half an
hour and must never exceed a time of 4 hours.
Using the RECOND charging program
•
Connect the charger to a lead acid battery as
described in section 5.4 and check the char-
ging process every half hour.
•
After 4 hours at the latest, or as soon as you
hear the battery start to gas (bubble), remove
the charger as described in section 5.4.
5.3.6 12 V LFP
Max. 5 A charging current, microprocessor-
controlled and dependent on the charge status of
the battery. Charging program specially for lithium
iron phosphate (LiFePO4 / LFP) batteries which
are themselves equipped with a BMS (Battery
Management System). It is prohibited to charge
LiFePO4 / LFP batteries which have no BMS.
5.3.7 For (FORCE)
This charging program has a higher end-of-char-
ge voltage and a temporary charging current of 5
A. It is used only for restoring the charging capa-
bility of lead acid batteries which have undergone
exhaustive discharge and have a minimum resi-
dual voltage of least 1 V. This charging program
can be activated only without a connected battery
(see section 5.2.1).
The battery will be charged with 5 A for approx. 5
minutes. Then the battery should have a residual
voltage of more than 3 V. If this is the case, the
device will continue to charge the battery using
the "12 V STD" charging program. If this is not the
case, the LED will indicate "BAt". The battery is
defective.
Warning!
•
Follow the instructions supplied by the battery
manufacturer.
•
Only use for batteries which are free-standing
and have been taken out of the car, not while
they are installed in the car with a connection
GB
to the car's electrical system. The higher
charging voltage could damage the electrical
system.
•
Use the FORCE program only together with
a normal lead acid battery (wet / Ca/Ca bat-
teries).
•
Never use it for a battery of sealed design (a
VRLA battery such as an AGM or GEL bat-
tery) or for a lithium iron phosphate battery
(LiFePO4 / LFP).
•
Protection against swapped poles is not pro-
vided. If the poles are swapped there is a risk
of damaging the charger and the battery. It
is imperative to make sure that the polarity is
correct when you connect up.
5.3.8 Additional function SUPPLY
For supplying 12 V DC voltage, e.g. when chan-
ging a battery or for operating 12 V DC / max. 5
A consumers that are also intended for a motor
vehicle's 12 V connection.
Warning! Protection against swapped poles will
not be available. If the poles are swapped there
is a risk of damaging the charger and the battery/
on-board vehicle power supply or a connected
consumer. It is imperative that you make sure the
polarity is correct when you connect up. Observe
the maximum power consumption (see "Technical
data") of the consumer.
Note:
•
The direct voltage which is provided (shown
in the display) is load-dependent and without
load it is approx. 13.7 V.
•
This function can be used for consumers
which are operated from a vehicle's cigarette
lighter.
•
Refer to and observe the operating manual
for your 12 V consumer.
5.4 Charging the battery:
•
First connect the red charging cable to the
positive pole of the battery.
•
Then connect the black charging cable to the
bodywork of the vehicle away from the battery
and the petrol pipe.
•
Warning! Under normal circumstances the
negative battery pole is connected to the bo-
dywork and you proceed as described above.
In exceptional cases it is possible that the po-
sitive battery pole is connected to the body-
work (positive earthing). In this case, connect
the black charger cable to the negative pole
on the battery. Then connect the red charger
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