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5790 980 - 04
Vitoligno 300-C Installation/Service
Commissioning, Inspection and Maintenance
Cleaning the Combustion Chamber
1. Pull front panel
C
back slightly from the top remove
and set aside.
2. Open combustion chamber door
A
.
3. Remove and clean thermal insulation block
B
.
4. Clean the combustion chamber including the
combustion chamber fire bricks with a spatula and
vacuum
cleaner.
5. Clean the finned grate with a vacuum cleaner.
6. Clean the ignition element and ignition pipe.
7. Refit thermal insulation block
B
and close the
combustion chamber door.
8. Check combustion chamber door
A
for tightness.
If in doubt, test with a paper strip. You should not
be able to pull out a paper strip [approx.
c
in. (20 mm)
wide] that has been jammed into the door.
9. Replace damaged gasket if required.
10. Reinstall front panel
C
.
CAUTION
H
ot gases can escape from the combustion chamber.
Never open the combustion chamber door during operation.
Only open the door when the system ON/OFF switch has
been turned off. Clean the combustion chamber only when
the boiler has cooled down sufficiently.
