Swift caravan Owner's Handbook Manual page 55

Fitted Equipment
Note: The water temperature cannot be
selected, automatic temperature limitation at
approx. 70°C. For a faster heating up period
the appliance can be simultaneously
operated with gas and electrical power.
Draining the Water Heater
e = Lever position "Closed"
f = Lever position "Drain" (see Fig.1 page 52)
1. Disconnect power for water pump (main
switch or pump switch).
2. Open hot water taps in bathroom and
kitchen.
3. Open safety/drain valve in vertical
position, position (f).
4. The water heater is now drained directly
to the outside via the safety/drain valve.
Check that the water contents have been
completely drained (10 litres)
Maintenance
Use wine vinegar for de-scaling the water
heater, this being introduced into the
appliance via the water supply. Allow the
product to react and then thoroughly flush
out the appliance with plenty of fresh water.
To sterilise the water we recommend
"Certsil-Argento". Other products,
particularly those containing chlorine, are
unsuitable.
Note: The water tank in the Truma Ultrastore
is of high quality food-grain stainless steel.
52
The special equipment available, elbow
water hose connections and safety/drain
valve, fulfil the EC guidelines for quality in
plastic parts (90/396/EEC).
In order to prevent the formation of micro-
organisms, we recommend heating up the
tank at regular intervals to 70°C and not
using the water for drinking.
Important Operating Notes
1. If the cowl is positioned close to an
opening hatch (window), keep this closed
during operation. See warning plate.
Always mount the cowl cover if the heater
is not being used. Non-observation of
this point can lead to the function of the
appliance being impaired through water,
dirt or insects.
2. The guarantee will be invalidated if this
point is not observed. Always remove the
cowl cover prior to operating the water
heater!
3. If there is a defect in the electronics,
return the control Printed Circuit Board
well padded. If you fail to pack it
correctly the guarantee will be
invalidated. Only use original Truma
Ultrastore control P.C.B's as spare parts.
4. If just the cold water system is being
used, without water heating, the header
tank becomes more vulnerable to frost
damage. Accordingly the contents
should be drained by operating the
safety/drain valve. This also applies
when the caravan is in storage.
General Safety Notes
In the event of leaks in the gas system or if
there is a smell of gas:
• Extinguish all naked flames
• Do not smoke
• Switch off the appliance and gas cylinder
• Open the windows
• Do not operate any electrical switches
• Have the entire system checked by an
expert
1. Repair jobs are only to be carried out by
an expert.
2. The following would invalidate the
guarantee:
a. Any alteration to the appliance
(including cowl)
b. The use of non-Truma spare
parts/accessories
c. Non observance of the operating
instructions.
3. The operating pressure for the gas supply
is 30mbar (or 28mbar butane/37mbar
propane) and must correspond to the
operating pressure of the appliance (see
name plate).
4. Do not operate the water heater when
refuelling the vehicle and when in the
garage.