Viessmann Vitodens 100-W Technical Manual page 17

Design and sizing information for connection on the flue gas side
■ When using a plastic shaft cover:
The chimney for solid fuel must stand at least 1000 mm proud of
the Vitodens flue. For the chimney extension, only use compo-
nents that are resistant to soot fires.
A
C
E D
F
A Chimney extension made from soot fire resistant material
B Plastic shaft cover
C Ventilation air/secondary ventilation
D Vitodens flue pipe
E Chimney for solid fuel boilers
F Minimum clearance to DIN V 18160, reduced minimum clear-
ance or maximum clearance to EN 14471 (see page 14)
■ When using a metal shaft cover:
The chimney for solid fuel boilers must stand at least 2 x Ø D
proud of the Vitodens flue. For the chimney extension, only use
components that are resistant to soot fires.
VITODENS, VITOSOLAR
B
A
B
Ø D
C
E D
F
A Chimney extension made from soot fire resistant material
B Metal shaft cover
C Ventilation air/secondary ventilation
D Vitodens flue (rigid or flexible)
E Chimney for solid fuel boilers
F Minimum clearance to DIN V 18160, reduced minimum clear-
ance or maximum clearance to EN 14471 (see page 14)
■ When using a common downdraught plate:
The end piece of the flue and the shaft cover must be made from
non-combustible material (e.g. metal).
A
Ø D
D
F E
G
A Chimney extension made from soot fire resistant material
B End piece made from non-combustible material
C Shaft cover (on site)
D Ventilation air/secondary ventilation
E Vitodens flue pipe
F Chimney for solid fuel boilers
G Minimum clearance to DIN V 18160, reduced minimum clear-
ance or maximum clearance to EN 14471 (see page 14)
The metal end piece and shaft cover are part of the standard shaft
pack (metal/PPs).
(cont.)
B
C
VIESMANN
2
17