Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 25

Pellet boiler 60 to 70 kw
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Boiler version with pellet hopper
Installing the pellet hopper
Fig. 18
1. Place the pellet hopper on the rotary lock valve.
Note
The pellet hopper can also be rotated by 180° and
then installed.
1.
2. Secure with M 6 x 16 hexagon screws. Do not fully
tighten the screws as yet.
Installation sequence
4x
2.
25

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