Instruction Manual for Electrobloc EBL 99 K / EBL 99 K with OVP
7
Date: 20.01.2010
811.419 BA / EN
4 Application and functions in detail
The electrobloc is the central power supply unit for all 12V consumers in the
vehicle’s electrical system. It is usually located in a cupboard or storage area
and is accessible from the front in order to change fuses.
EBL 99 K
IT.../LT...
+ --
+ --
Control and
display panel
Electrobloc
230V AC
12V consumers
Living area battery
Starter battery
Lighting
Pump
Heater
etc.
EBL 99 K with OVP
Fig. 2
On-board power supply system
The EBL 99 K electrobloc contains:
F
a charge module for charging all connected batteries
F
the complete 12 V distribution
F
the fuses for the 12V circuits
F
a battery monitoring module
F
Control and monitoring functions
The EBL 99 K with OVP electrobloc contains in addition:
F
overvoltage protection OVP which isolates the electrobloc from the mains
in the event of sudden voltage peaks in the 230V supply.
An IT ... or LT ... control and switch panel must be connected for operation.
These devices control the electrical functions in the vehicle’s living area, inc-
luding accessories.
There is also an option to connect an additional charger and a solar loading
regulator.
Flat vehicle fuses protect the various circuits. The D+ output is an exception.
F
Excess temperature
F
Overload
F
Short circuit
230 V AC
±
10 %, 47 to 63 Hz sinusoidal, protection class I
12V outputs may be loaded with max. 90% of the rated current of the re-
spective fuse (also see front panel).
Modules
System devices
Protective circuits of the
charging module
Mains connection
Current-carrying
capacity
