8. Water 133
Never introduce anti-freeze or other chemicals into the
water system.
This can be poisonous!
When operating during winter ensure that the fresh water
tank is sufficiently heated.
To remove water
• The water will be mixed to the desired temperature
according to the position of the pre-mixing unit.
Hot water supply
Hot water is supplied by means of the hot-air heating system
with its integrated hot-water boiler
(see also Chapter 10.2.1)
;
the options for settings are described on
p. 155
“Changing the
hot water temperature”.
The boiler will automatically empty itself via a safety or outlet
valve if there is danger of frost
(see also p. 163 Frost Control).
Position of the Frost Control valve
The Frost Control valve is always located directly by the model-
specific place of installation for the hot-air heating system.
The non-electric safety or drain valve will automatically
open at temperatures under approx. 3°C and drain the boi
-
ler contents via a drain nozzle.
If the cold water system is operated without the boiler the
boiler tank will still fill with water. In order to avoid frost da
-
mage the boiler must be drained via the drain valve, even
when not in use.
