Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 18

Preparing for installation
Siting requirements
Further details regarding positioning:
See the technical guide for the boiler
Minimum clearances
Fig. 11
Pellet discharge or connector at the pellet silo
A
Hose with screw conveyor
B
Rated heating output
Minimum clearances, flexible screw conveyor
r Min. bending radius
X Minimum clearance if the screw conveyor is routed in a
straight line.
Y Min. screw conveyor length
18
(cont.)
X
kW 60
mm 1500
mm 1700
mm 1850
70
1500
1700
1850