Operating instructions

9-12
FITTED EQUIPMENT
contact with water are drinking water safe.
Bio-film, deposits and limescale must be
removed using chemicals to protect the unit
from infestation by micro-organisms. Only
Chloride-free products must be used in order
to prevent damage to the unit.
The effectiveness of the use of chemicals to
combat micro-organisms in the unit can be
increased by heating the water in the boiler to
70ºC at regular intervals.
Move power selector switch to gas operation
(d) to do this.
Move the rotary switch on the control panel to
position (l - summer operation) 60ºC. the
green (k) and yellow (p) LEDs light up.
Note: Once the water in the boiler has
reached a temperature of 60ºC, the burner
will switch off and the yellow LEd (p) will go
out. The unit must stay switched on for at
least 30 minutes and no warm water may be
removed. The residual heat in the heat
exchanger will heat the water up to 70ºC.
Fuses 12V
The fuse is in the electronics beneath the
connection cover. Replace the unit’s fuse
only with an identical fuse.
Device fuse: 10A - slow - (T 10A).
Fuses 230V
CAUTION: The fuse and the power supply
lines must only be replaced by an expert!
WARNING: The unit must be disconnected
from the mains (all poles) before opening
the electronic housing lid.
The fuse in the power electronics (16)
beneath the electronic housing lid.
This fine fuse must always be replaced with a
fuse of the same type: 10A, slow, interrupting
capacity “H”.