10. Built-in devices
123
FrostControl
FrostControl is a non-electric safety or drain valve. If there is a risk
of sub-zero temperatures it automatically drains the content of the
boiler via a drain outlet.
If the system is under excess pressure intermittent pressure equa-
lisation will automatically take place via the safety valve.
k Rotary switch position “ON”
m Push button position “CLOSED”
n Push button position “DRAIN”
o Drain outlet (to the outside through the vehicle oor)
k
m
n
o
Diagram of Frost Control
To activate
• Push in the knob at position (m) slightly and, at the same
time, move it 90° towards position (k).
• If the switch is in position (k), the knob will remain in position (m).
To deactivate
• Turn the switch at position (k) by 90° so that it is parallel to
the frost control.
• At the same time, the knob will jump from position (m) to (n).
The drain valve can only be closed manually using the
push button (Position m) and the boiler lled if the valve
temperature is above approx. 7°C.
If the temperature of the safety/drain valve is lower than
approx. 3°C, the push button will be ejected (Position
n) and the con-tents of the boiler will be drained o via
the drain outlet (o).
The heating system is located in the middle walking space of the
oor. It is 60 cm wide; the length depends on the type of vehicle. This
heating system is not meant to heat the room; instead, it reduces
the loss of heat via the oor.
To turn on the 24 V oor heating
You will nd the switch on the service panel. The oor heating operates
only when the caravan has been attached to a 230 V power supply.
Technical data
Voltage 24V~ from its own 230V/24V transformer.
Depending on the length of the caravan, power consumption lies
between 150W and 320W.
10.2.4 Electrical oor heating*
To prevent local hot spots, do not place objects for a
longer period of time on the oor if the oor heating
system has been turned on. Do not drill any holes in
the oor or screw in any screws.
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