Viessmann VITODENS 100-W Manual page 57

Routine Servicing Instructions
Checking the condensate drain and cleaning the siphon
1. Check at the siphon, that the con-
densate can freely drain.
2. Place an appropriate container
under the siphon A.
3. Remove the locking cap B and
drain the siphon content.
Service Instructions
(Fortsetzung)
4. Replace the locking cap B.
5. Fill the siphon A with water by
pouring about 0.3l of water into the
combustion chamber.
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