CSV 409 A caravan charging system instruction manual
4
Issued: 20.02.2020 8050101 BA / EN
The CSV 409 A caravan charging system is the central power supply unit for
all 12 V consumers connected to the caravan’s electrical system. It is nor-
mally fitted inside a cabinet or a stowage space and can be accessed from
the front to change a fuse.
The caravan charging system has been designed solely for connecting up to
a 12 V onboard supply.
Connected units can be supplied from the caravan battery or the towing
vehicle’s battery if a mains supply is not available.
Since the device provides a hum-free, stabilised output voltage, it is also
possible to connect and supply power to sensitive consumers (e.g. transistor
lamps or radios).
The CSV 409 A caravan charging system consists of:
F A charging module for recharging all of the connected batteries
F The complete 12 V distribution system
F The fuses for the 12 V power circuits
F A battery booster
At least one switch panel ST ... has to be connected for operation.
Connection options are available for:
F Solar charger
F 12 V indicator
F Mains indicator
F 12 V supply to a control and display panel
Flat vehicle fuses are used to protect the various circuits.
F Overtemperature
F Overload
F Short circuit
230 V AC voltage 10 %, 47 -- 63 Hz sinewave, protection class I
12 V outputs shall only be loaded up to a maximum of 90 % of the rated
current of the associated fuse (see block diagram or nameplate).
All of the consumers must not exceed the following loads when combined:
F Mains operation: 28 A
F Operation with towing vehicle and ignition ON: 8 A
Modules
Required
control circuits
Protective circuits
Mains connection
Current-carrying
capacity
Maximum total current
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