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8.3 Cleaning the boiler every year
Boiler cleaning must be carried out once every heating season.
Risk of burns
Do not clean the boiler until it has been allowed to cool
down.
Switch off the heating system at least 6 hours before
opening the boiler.
Switch off the main switch before starting any mainte-
nance work on the system.
Risk of cut injuries due to sharp edges
Use gloves.
Note:
Check first of all, if all seals are in a good condition and the doors closes tightly.
200013_EN 2.0
Cleaning the boiler every year