18. ANNUAL SERVICING
If the boiler was operating, wait for the combustion chamber and pipes to cool down.
Before commencing any maintenance operations, make sure the boiler is disconnected from the power supply. Afterwards,
move the knobs and/or operating parameters of the boiler to their original positions.
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18.1 HYDRAULIC UNIT
18.2 POSITIONING THE ELECTRODE
18.2.1 MODELS AIRTIGHT CHAMBER
The electrode must completely cross the width (L) of the burner element.
18.2.2 MODELS ATMOSPHERIC CHAMBER
L
21
CG_2399
7221796.02 (1-10/15)