Sanitary fittings
2999828 - 05/18 - EHG-0012-00EN
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10.2.5 Draining water
Fig. 74 Water tank with rotary handle
Turn the rotary handle (Fig. 74,1) on the water tank in an anticlockwise
direction as far as possible beyond the resistance to fully open the drain-
age opening.
10.2.6 Emptying the water system
If the vehicle is not used for several days or if it is not heated when there
is a risk of frost, empty the entire water system. Make sure that the 12 V
power supply on the panel is switched off. Otherwise, the water pump
will overheat and may get damaged. Leave the water taps on in central
position. Leave the safety/drainage valve (if there is one) and all drain
cocks open. Frost damage to appliances, frost damage to the vehicle
and deposits in water-carrying components can be avoided in this way.
To empty and ventilate the water system, proceed as follows. This prevents
frost damage and deposits:
Position the vehicle horizontally.
Switch off 230 V power supply. In order to do this, switch off the 230 V
fuse (see section 8.7.2). The external 230 V connection can remain con-
nected to charge the batteries.
Switch off the 12 V power supply on the panel.
Shut off the production of hot water (see section 9.2.2).
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