SERVICES
57
WATER TANKS
Tank types – Overview
No Internal Water Tank
A caravan water system with no internal water
tank functions in the following way:
The inboard pump draws water into the
caravan, via the inlet on the offside of the
caravan. This is directed to the water heater,
taps and shower. An umbilical hose, with
baffle, is supplied with the caravan to connect
between the inlet and an aquaroll or similar
external container.
On Arrival at the campsite /
Priming the system
• Ensure that the external water container
is full.
• Close all of the taps (kitchen sink, bathroom,
shower) except one, which should be open
in the hot position.
• Ensure that the water heater drain valve is
closed (move the Yellow handle on the floor
near the water heater to a
horizontal position).
• Switch the pump on using the button on the
control panel. Water will flow through the
open tap after a short time. This tap can then
be moved to the cold position and again
after a short time water will flow.
• Repeat the procedure at each tap, including
the external shower point
(model specific)
• When using a mains water connection
the pump will still need to be switched on to
supply water to the water heater,
taps and shower.
• If a mains water connection is used, please
ensure this is a Truma Waterline connection,
which has a built in pressure reducing valve.
• To drain / winterise the system please see
separate details later in this handbook.
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