Viessmann VIESMANN VITOLIGNO 300-H Technical Manual page 43

Fuel storage
(cont.)
■ The pellet storage room must be free from foreign bodies (small
stones, wood particles, etc.).
■ Max. suction head:
Max. length of the suction line (at max. pump rate): 15 m
■ The supply hoses and return air hoses for the vacuum system must
be earthed, must not be routed outdoors and should be protected
against temperatures in excess of 60 °C.
Room discharge with screw conveyor system
A
L
K
H
L
G
A Protective boards at the entrance to the storage room
B Discharge area, screw conveyor system
C Deflector
D Discharge to the vacuum system
E Min./max. length of discharge area
F Max. storage room length
The screw conveyor system may be up to 6.4 m long. The available
depth of the storage room can be extended to a maximum of 6.9 m by
installing a third sloping floor between the screw conveyor terminal
module and the storage room wall.
VITOLIGNO 300-H
5 m
B C
200
E 4060 - 6340
6800
F
■ The wall outlet for the room discharge should be sealed from the
storage room side with fireproof material (e.g. rendered).
■ The pellet storage room must be inaccessible to children. The pellet
boiler should be shut down approximately one hour before the stor-
age room is filled. The storage room should be sufficiently vented
before anyone enters.
D
L
G Return air connector
H Fill connector
K Slanted panel to compensate for the length of the storage room/
discharge area
L Sloping floor
M Discharge screw conveyor
L
M
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VIESMANN
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