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Operation
2.4 Check before initial start-up
a) System pressure (heating water pressure):
The system must be filled and vented. With the system cold, pressure should be at least 1.0 bar (maximum
1.8 bar) – Fig. 7. If you have any questions, your installer will gladly answer them.
Pressure gauge (system pressure)
Fig. 7 Filling the system
b) Ventilation:
If you are operating the device with room air, please make sure the room where it is installed is well venti-
lated. The air supply must be as free of dust as possible.
c) Flue:
Please have the chimney sweep check the flue, and, if necessary, clean it.
Filling and evacuation cock
2.3 Opening the cladding door
Fig. 6 Opening the cladding door with the key.
Warning of hot surface: risk of burns!
Before touching the combustion chamber and ash door handles, you must switch off the boiler and let
it cool.
Insert the key, turn a quarter turn to the left and open the cladding door – Fig. 6.
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