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926.116.5 - en
INSTRUCTIONS FOR FITTERS
Figure 16
To optimise boiler efficiency, carry out the following annual controls:
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Use a vacuum cleaner to do this;
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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.
28. ANNUAL SERVICING
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.
