Electrical system
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2999828 - 05/18 - EHG-0012-00EN
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8.4.4 Charging the battery
When the vehicle engine is running, a relay in the transformer/rectifier alter-
nator switches on the living area battery and the starter battery together and
recharges them with the vehicle generator. When the vehicle engine is
switched off, the batteries are automatically disconnected from one another
again by the transformer/rectifier. This prevents the starter battery from be-
ing run down by electrical appliances in the living area. The starting capabil-
ity of the vehicle is thus preserved. The terminal voltage of the living area
battery or the starter battery can be read on the panel.
If the vehicle is connected to the 230 V power supply via the CEE socket
outlet, the living area battery and the starter battery are charged by the
charger module on the transformer/rectifier. The starter battery is only
charged with a float charge. The charging current is adapted to suit the
charging condition of the battery. This ensures that it is not possible to over-
load the battery.
To make use of the maximum output from the charger module on the trans-
former/rectifier, switch off all electrical appliances during charging.
8.5 Panel (LT 100)
Fig. 50 Panel (LT 100)
1 12 V main switch and green LED
2 Mains connection symbol and yellow LED
3 Button to query the voltage of the living area battery
4 Button to query the fill level in the fresh water tank
5 Button to query the fill level in the waste water tank
6 LED array to display the tank fill level
7 LED array to display the battery voltage
The switches and push buttons of the panel are sensor touchpads. The
switching function is triggered by touching.
The yellow LED at the mains connection symbol " " (Fig. 50,2) is lit when
the vehicle is connected to an external mains supply. In this case, the LED
will also be lit when the panel is switched off.
Mains connection
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