Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 31

Pellet boiler 60 to 70 kw
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Installation sequence
Boiler version with flexible screw conveyor
Installing the adaptor
1.
4x
2.
4x
10 Nm
Fig. 25
1. Centre the adaptor on the rotary lock valve.
2. Tighten the screws.
31

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