4.3.2 Cleaning the combustion and burning chamber
WARNING
Inspection and cleaning work on a system which is operational:
Risk of serious injuries from automatic startup of the system and severe burns
from hot parts and the flue gas pipe!
When working on the system:
❒ always wear protective gloves
❒ only operate the boiler using the handles provided
❒ switch off the boiler by tapping “Boiler off” at the mode icon
➥ The boiler follows the shutdown procedure and switches to “Switched off
OFF“ status
❒ switch off the main switch and take precautions to prevent accidental
switching on
❒ allow the boiler to cool off for at least 1 hour
❒ once all of the tasks have been completed, turn the main switch back on and
switch the boiler on in the desired mode
NOTICE! In order to avoid damage to the combustion chamber temperature sensor, it
should be removed before starting work in the combustion chamber
❒ Note the position of the combustion chamber temperature sensor (1)
➥ e.g. with the help of sticky tape
❒ Loosen the screws on the bracket (2)
❒ Carefully remove the combustion chamber temperature sensor
➥ if necessary, clean carefully
❒ When all tasks have been completed, replace the combustion chamber
temperature sensor
Servicing
4
Cleaning
Operating Instructions | B1300015_en
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