4.3 Cleaning
The frequency at which the following cleaning work is carried out depends on energy
requirements, fuel quality and the number of operating hours.
WARNING
When removing the ash container cover during operation:
False air infiltration via the ash screw duct can lead to uncontrolled combustion
and the risk of accidents.
Before checking the ash level / emptying the ash container:
❒ Switch off the boiler by tapping “Boiler off”
➥ The boiler follows the shutdown procedure and switches to "Switched off
OFF" status.
4.3.1 Emptying the combustion chamber ash container (optional)
NOTICE! The current fill level of the ash container can also be checked while the
boiler is in operation. Important:
▪ The ash container cover must be closed again within 15 seconds
▪ Caution: if the cover remains open for more than 15 seconds, the boiler is
switched off automatically.
1. Remove the key plate from the safety switch
2. Slide back the cover of the ash container
3. Remove the cover and check the fill level
4. Put the cover back on and slide it forwards until it clicks in place
– If the container does not need emptying, slide the key plate back into the
safety switch
Servicing
4
Cleaning
Operating Instructions | B1300015_en
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