HDG F20 - Cleaning the Secondary Combustion Chamber and the Ash Compartment

7 Cleaning and servicing the heating system – Procedure
69
CLEANING THE SECONDARY COMBUSTION CHAMBER AND THE ASH
COMPARTMENT
1. Allow the fire in the boiler to burn out and cool off.
2. Press the Reload button.
3. Pull out the ash pan (4) approx. 30 cm.
4. Open the combustion chamber door (2).
5. Check the secondary combustion chamber (1) and the ash
compartment (3) for ash and any other dirt.
6. Remove any deposits on the bottom of the combustion chamber
lining (5) with the supplied cleaning tool.
7. Using the supplied cleaning tools and without moving the
combustion chamber stones, carefully pull out the combustion
residue from the secondary combustion chamber (1) in the ash
compartment (3).
8. Using the supplied cleaning tools, pull the combustion residue
out of the ash compartment (3) into the ash pan (4).
9. Empty the combustion residue into a fireproof container.
10.Close the boiler in the reverse order.
✓ The secondary combustion chamber and the ash compartment
have been cleaned.
Important!
✎ Observe the “Generally applicable safety instructions” in this
section.
During the heating period, the secondary combustion chamber and
the ash compartment must be cleaned two to three times a week.
Figure 7/3 - Cleaning the secondary combustion chamber and the ash compartment
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