HYGIENE
The water tank in the Truma Ultrastore is made
of high quality stainless steel, however, in order
to avoid colonisation of micro-organisms the
tank should be heated up to 70°C (with
electrical heater) at regular intervals. Water
from the hot tap should not be used for
drinking.
FUSES
The water heater fuse is on the electronic
control unit on the heater.
IMPORTANT Only replace the miniature fuse
on the p.c.b. with a fuse of the same type: 1,25
AT EN 60127-2-3 (slow action).
SAFETY
There is no danger of exhaust gas pollution in
awning spaces from water heaters which vent
into them but it is advised that fresh air
circulation should be provided and any
window immediately above the flue outlet
should be kept closed.
STERILISING THE SYSTEM
At the start of the season or if the motorhome
has not been used for some time sterilise the
water system thoroughly by preparing about
10 litres of water, containing a sterilising agent
made specially for the purpose. This should be
available from your Explorer Group distributor.
When an on-board tank is fitted ensure that
sufficient mixture is prepared to fill the whole
tank.
DO NOT use domestic bleach, camden tablets
or sodium metabisulphide.
Pump about half of the solution through the
system, opening all taps in turn and leave for
not longer than 30 minutes. Pump the
remainder through. Drain the water heater and
water tank (if fitted) then pump at least 18 litres
of fresh water through the system again
opening all taps in turn, then drain again.
Similar attention should be paid to the hygiene
of the external water container and
submersible pump and hose used to draw off
water.
DO NOT use water which has stood in a water
container for any length of time and do not use
garden hoses for filling tanks.
WATER FILTER (where fitted)
Replace the in-line filter cartridge with a new
one after sterilising the water system. On no
account should the old cartridge be used
again as the sterilising agent will have
saturated the filter bed.
After fitting the new filter flush the system for
around 30 seconds to remove any loose
particles of carbon. It is recommended that a
new filter is fitted at the start of each season
after sterilising the system and again after
approximately 30 days usage as the filter
becomes less effective after this period.
On no account should the old cartridge be
used again as the sterilising agent will have
saturated the carbon bed.
TAPS
WHALE ‘ELITE’ MICRO SWITCH TAPS
(FITTED IN CALYPSO ONLY)
The micro switch taps are used when the water
supply is not pressurised. When the tap is
turned on the micro switch (which is fitted
inside the tap) activates the pump to supply
water.
OPERATION
Swivel the tap spout (a) to the desired position
over the sink, lift the control lever (b) to activate
the pump and allow water to flow
simultaneously. To adjust the temperature
swivel the lever (c) to the left or right as shown
below.
WARNING:
Water heaters (as with other
appliances) should be turned off and
gas cylinder valves closed whilst the
motorhome is in motion.
25
MOTORHOME EQUIPMENT
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