Important
After switching on the power and if there is adequate water pres
sure, the boiler always runs through an automatic venting program
lasting approximately 3 minutes (air may escape via the automatic
air vent during filling). If the water pressure is lower than 0.8 bar,
the symbol
will appear. If the water pressure is too low, top
up the CH installation.
Caution
Carry out the filling within 30 minutes to avoid the venting pro
gram starting up. That would indeed be undesirable if the boiler
is not filled. Switch the boiler off if the CH installation is not be
ing topped up immediately.
When venting, prevent water from getting into the boiler casing
and electrical parts of the boiler.
6 Installation
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