Viessmann VITOROND 100 Installation And Service Instructions Manual page 69

Service Procedure
2. Open combustion chamber door (continued)
3. Clean heat exchanger and flue pipe
Fig. 68
4. Check all gaskets and insulation
(continued)
4. Remove turbulators
See page 74 for details.
5. Remove combustion chamber insert
(if applicable).
1. Clean heat exchanger with field
supplied cleaning brush
vacuum cleaner to remove all
sediment.
2. Remove all sediment from flue pipe
and flue gas collector using vacuum
cleaner.
WARNING
Ensure that warning concerning
fiberglass wool and ceramic fiber
materials on page 3 has been read
and understood before handling
insulation.
1. Check all gaskets and the sealant
rope of the combustion chamber door
for wear or damage.
2. Check the combustion chamber door
refractory for wear or damage.
3. Replace worn or damaged parts.
Service
, if applicable.
and use
69