Viessmann Flue gas system Installation Instructions Manual page 34

Flue gas system for vitocrossal (type cu3), vitodens and vitoladens
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Preparing for installation (cont.)
Flue kit installation instructions
1. Start
2. Remove the nozzle of the
wall terminal with a tool
(screwdriver)
3. Fit the 87° elbow with skirt into the
inner flue pipe, twisting it into the
correct position.
33

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