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CONNECTING SERVICES
7.3 Priming the water system
When water is first introduced, or the water
supply in the internal tank, runs out, air will be
present in the pipework. It is important that
every tap is run to remove any air in the system
before, for instance, the shower is used. Air
left in pipework local to a tap can act as an
accumulator and affect the ratio of hot and cold
water flowing from other taps or shower mixers
in the system.
1. Close the water tank drain valve
2. Fill the water tank with water.
3. Close the water heater drain valve (see
boiler instructions in the fitted equipment
section)
4. Open all the taps except the shower tap.
Mixer taps should be opened in the central
position so that both the hot and cold pipes
are purged of air. Ensure the tap spouts are
over the sinks.
5. Turn on the pump using the button on
the control panel (See pump button in
paragraph 2.5 of the Electrics section).
6. Turn each tap off in turn as and when the air
is expelled and the water runs smoothly from
each tap. Move the mixer taps to hot and then
cold to check that the air is out of both the hot
and cold pipes before turning them off.
7. Whilst holding the shower head down
towards the shower drain, open the shower
tap and shower head tap until all the air is
expelled and the water runs smoothly. Turn
the shower taps off.
8. Top up the fresh tank with water.
Please note that priming the system will
automatically fill the water heater with water.
Please ensure all taps are fully turned off when
not in use (except when winterising).
Note: All tanks are fitted with a breather
which acts as an overflow. Overfilling a tank
will result in water being expelled from the
overflow.
7.4 Cleaning water system
Clean the water system at the start and end of
the season with sterilising fluid.
Sterilising
When cleaning the water system at the start
or the end of the season it is advisable to use
a suitable sterilising fluid available from your
motorhome dealer. The fluid must be suitable
for use with stainless steel components.
Do not use products that contain aggressive
agents, bleach or sodium metabisulphite for
sterlising the water system.
Always flush the system thoroughly to remove
any traces of the cleaning fluids.
The water systems, and in particular storage
tanks, in motorhomes are susceptible to
contamination by bacteria if care is not taken
with their use and cleaning. The symptoms
caused by bacterial contamination are not
purely limited to gastro-intestinal diseases,
but may also manifest themselves as ear, nose,
throat, eye or skin infections. It is therefore
important that you carry out the following
procedure prior to using the motorhome each
time, even if you boil or filter all water you use
for drinking.
Separate Water Containers
1. All water remaining in the container should
be disposed of so that the container is empty.
2. The outside of the container should be
thoroughly cleansed and washed down to
remove any dirt, dust or other contaminant.
Water at a suitably hot temperature
containing an appropriate detergent is
recommended for this purpose.
3. Water should be put in the container, swirled
around, then emptied out.
4. The container should then be totally filled
with sterilising fluid mixed to the strength
recommended by the manufacture of the
sterilising fluid and allowed to stand for the
recommended contact time.
5. The solution should be emptied from the
container.
6. The opening of the container should be
cleaned thoroughly with an appropriate
prepared wipe impregnated sterilising fluid.
7. The container should be inverted whilst
stored overnight (if possible).
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