Karmann Ontario 580, Instruction Manual

Page: 39 / 78

General instructions
• Check that the water discharge of the boiler
is not obstructed by slush or similar, thus
ensuring complete drainage.
• Hot water should not be used as drinking
water.
• The boiler can be descaled using vinegar.
• When you have given the vinegar a certain
time to act, rinse the boiler through with
freshwater. Never use aggressive agents or
products containing chlorine for cleaning.
The manufacturer recommends "Certisil-
Argento" for disinfection purposes.
Safety instructions
• Do not modify the heating system in any way.
• Repairs and maintenance must be carried
out by a specialist.
• Every two years the installation is subject to
a mandatory inspection by an authorised
inspector (TÜV, DEKRA, DVFG). You as the
owner are responsible for ensuring that the
inspection is performed within the mandatory
period.
• The heating may not be started up when the
motorhome is being fuelled or is standing in
an enclosed space.
• The hot air outlets of the heating system
may not be blocked by items of luggage.
GAS INSTALLATION
6-5
If the temperature drops below the response
value during operation, turn the knob C to on
the control element to winter mode (down)
and close the valve by pulling the button out.
The valve will only close from an ambient
temperature of 8°C.
Filling the boiler
1. Pull the button on the safety valve out. At
temperatures below 8°C, switch on the
heating first so that the valve will not open.
2. Switch on the water pump on the control
panel (p. 6-1).
3. Set single-lever mixer tap in the bathroom
or kitchen to "Hot" and leave open until the
water flows in a powerful stream.
Note
When filling the boiler, take care to ensure
that the drain valve for freshwater pipes is
closed (p. 7-2).
Draining the boiler
1. Switch off the water pump (p. 6-1).
2. Open the hot water taps in the kitchen and
bathroom.
3. Push button on safety valve in (p. 5-4).
Safety/drain valve with antifreeze
The safety/drain valve is mounted on the floor
in front of the boiler.
When the button is out the valve is closed. To
drain the boiler, press the button in.
Note
The valve only works when the mains input is
guaranteed. If the body battery is disconnected
or discharged, the valve will open and the
boiler will drain.
At temperatures below 3°C the antifreeze
safeguard will drain the boiler automatically
at the drain valve to prevent any frost damage
to the unit.
Heating and hot water supply