abc COMBO 25 Instructions For Use Manual page 19

At the end of the heating season:
Remove the fan housing and clean the dust with a vacuum cleaner taking care
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not to damage the fan propellers
Clean the flue pipes and check if the chimney is congested
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Clean the storage for pellets from dust and tiny debris of pellets
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Scrape the layers of ash and soot from all metal parts in the combustion
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chamber of the boiler as well as the tube heat exchangers in the zone of the
upper door
Note: If the boiler uses solid fuel cleaning dynamics is tripled. At the end of
the heating season it is necessary to thoroughly clean the boiler from soot
and grime and it is obligatory that the boiler always be filled with water,
whether it is connected to a closed or open system of central heating.
2.Unscrew 4 screws from the cover
of the display and then pull the cable out
from the housing.
Dismantling the pellets storage
1. Disconnect the cables from the main switch
3. Disconnect the cables from
the safety thermostat
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