To optimise boiler efficiency, carry out the following annual controls:
WARNINGS
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.
Figure 20
WARNING
Pay great attention when dismantling the individual parts of the hydraulic assembly.
Do not use sharp tools, do not apply excessive force when removing the fixing clip.
INSTRUCTIONS FOR FITTERS
30. ANNUAL SERVICE
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