Charging The Battery; Charge Discharged Battery - Bosch BAT 430 Original Instructions Manual

4.�

Charging the battery

i
If there is incorrect polarity or a clip short circuit,
the charge voltage remains disconnected.
i
The battery does not need to be disconnected from
the vehicle electrical system during charging.
Observe the following procedure for charging the battery:
1. On standard batteries, unscrew the inspection plugs
before charging.
2. Turn on the BAT 430.
 The red LED must be constantly lit (Fig. 1, Pos. 3).
3. Connect charging clips (Fig. 1, Pos. 10) to the battery,
ensuring correct polarity. First connect the red termi-
nal clip to the positive terminal (+) and then connect
the black terminal clip to the negative terminal (‒).
 The yellow LED flashes (Fig. 1, Pos. 5).
4. Set the changeover switch for "cold and warm bat-
teries" to the correct position (Fig. 1, Pos. 6). Ensure
that only the temperature of the battery is to be taken
into account.
5. Turn the controller for setting the battery capacity
(Fig. 1, Pos. 9) to the nominal value for the battery.
6. Press the start button (Fig. 1, Pos. 7).
 The yellow LED goes off.
 The green LED flashes rapidly.
 Check charging current on display instrument
(Fig. 2, phase 1).
Charging proceeds as described in section 3.7.
i
If the controller for the battery capacity is adjusted
or the changeover switch for the battery temperature
changes position during charging, charging is dis-
continued. Pressing the start button again restarts
charging with the current settings.
7. When charging is complete, turn off the BAT 430.
8. Disconnect charging clips from the battery.
i
If batteries are used in cyclic operation (wheelchairs,
road sweepers etc.) complete charging should be
carried out at least once in every three charges. This
maximizes the retention of battery capacity.
Robert Bosch GmbH
Operation | B�� 4�� | 17
4.4

Charge discharged battery

After connecting to the correct terminals on the battery,
the BAT 430 activates automatically and goes into back-
up mode or buffer mode (see Chapter 3.5). Depending
on the state of charge of the battery, an overload can
occur temporarily (red LED flashes).
As soon as the start button is pressed (Fig. 1, Pos. 7),
a gentle charge initially starts on a discharged battery
(green and yellow LED flash in 1 second cycle). The
charging current strength depends on the setting of the
controller for the battery capacity (Fig. 1, Pos. 9). The
transition to the charging process occurs automatically
(in line with Chapter 4.3).
If the BAT 430 does not show any reaction after being
connected to a battery, then a charging attempt can
be started by pressing the start button for more than 2
seconds. If this is not successful, then there must be an
interruption in the charging circuit.
i
BAT 430 automatically recognizes whether a 12 Volt
battery or a 24 Volt battery is connected. If the volt-
age of the 24 Volt battery is below 17 Volt, each of
the two 12 Volt batteries switched in series must
be charged separately. Below 17 Volt, BAT 430 only
recognizes a 12 Volt battery and would therefore
also only carry out the charging process for a 12 Volt
battery. Switch off all consumers in the vehicle when
charging discharged batteries.
en
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1 689 979 996 2012-10-24