Check the water pressure regularly and top up the installation when
necessary.
The working pressure of the installation should be between 1.5 and 1.7 bar
It can take a while before all air has dis-appeared from a filled installation. Especially
in the first week noises can be heard which indicate the presence of air.
automatic air vent in the boiler will make this air disappear, which means the
pressure will reduce during this period and therefore topping up with water will
necessary to adjust the flow water temperature
The boiler will not function directly. The automatic de-aeration programm of
17 minutes will start after one of the three programm keys is pressed. The
will show where A stand s for Automatic de-aeration programm Active
the number on the right indicates the actual water temperature of the boiler.