4.2.3 Recurrent check and cleaning
The boiler must be cleaned and inspected at appropriate intervals depending on the
service hours and fuel quality.
For fuels with a low ash content (standard wood chips), annual cleaning and
inspection (2000 to 2500 service hours) is usually sufficient. For less efficient fuels
and fuels with a high ash content (indicated by short emptying intervals for the ash
container), the work should be carried out more frequently accordingly.
WARNING
Inspection and cleaning work with the boiler switched on
Serious injuries from automatic startup of the boiler and severe burns from hot
parts and the flue gas pipe are possible.
Therefore:
❒ Only carry out work on the boiler when the main switch is turned off
❒ Always wear protective gloves when working on the boiler
❒ Only operate the boiler using the handles provided
❒ Follow the procedure below when starting and finishing inspection and
cleaning work
Before starting inspection and cleaning work
❒ Switch off the boiler by tapping “Boiler off”
➥ Boiler shuts down and switches to "Boiler off” status
❒ Allow the boiler to cool for at least 1 hour
❒ On the control, go to the “Manual operation” menu
NOTICE! See operating instructions for boiler controller
❒ Use the DOWN arrow to navigate to the “Tip drive” parameter
❒ Set parameter to “ON”
➥ Combustion grate tips
❒ Turn off the main switch
After inspection and cleaning work
❒ Turn on the main switch
➥ Combustion grate previously opened manually now closes automatically and
the boiler switches to “Boiler off” status
❒ Activate “service mode” in the quick menu
➥ The boiler starts the cleaning module and removes any remaining ash in the
combustion chamber
➥ Once self-cleaning is finished the boiler switches to "Boiler off" status.
Boiler Servicing
4
Inspection and cleaning
Operating Instructions T4 24-150 | B0830317_en 31
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