Operating Instructions Caravan-charging system CSV 416
10
Date: 30.05.2021 8050111 BA / EN
Y The input circuits of connected devices are then subjected to a lower load
than with a higher voltage.
Y ATTENTION!
The CSV 416 can no longer detect a deeply discharged battery (battery is
high-impedance) and so transitions to supply mode. When the battery ”reco-
vers” (such as with charging when the vehicle is moving using a booster, or
with solar charging), it is detected automatically again by the CSV 416 and
charged.
Y For a fully charged battery, the CSV 416 also transitions to supply mode
in isolated cases. It is not until battery charging is required again that the
charge process starts (as in Section 6.2).
4.2 Additional functions
This output supplies the control electronics of a fridge:
F From the caravan battery
F From the towing vehicle’s battery when the ignition is switched on
F From the mains supply when it is connected up
Y The refrigerator only operates on 12 V when the caravan is hitched to the
towing vehicle and the ignition is switched on.
Y ATTENTION!
The caravan / towing vehicle battery can be damaged beyond repair by a
total discharge. So therefore:
F Avoid continuous 12V operation.
The refrigerator only operates on 12V when the caravan is hitched to
the towing vehicle and its ignition is ON.
The water pump is connected directly to the CSV 416A (Pump output). The
supply voltage to the pump is enabled from the Pump switch on the operator
and control panel. The pump is switched on when a control voltage of 12V is
applied to input ”W ater Tap Signal” (via a switch in the water tap). The other
output, ”WC”, is connected in parallel.
Maximum permitted charge current 27 A, protected with 30 A
Three switching outputs (1, 2 and 3) can be enabled with control over the
bus.
Output D+ shows whether:
F the caravan is hitched to a towing vehicle and
F the ignition of the towing vehicle is on
This means the booster is active.
Y Signal D+ does not show whether the engine of the towing vehicle is
running. So when the ignition is on, but the engine is not started,the
battery of the towing vehicle is under load and could discharge fully.
Refrigerator controller
Water pump
Battery charging with
solar charging regulator
Switching outputs
D+
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