2.3
DIMENSIONS AND CORRECT FORMS OF CHIMNEY
The chimney hood must have a bigger size
than the conjunction that must have the
same size of the flue outlet on the device.
For ST 60 the diameter of the exhaust-pipe
should be 15 or 16 cm. For ST 90 the diam-
eter of the exhaust-pipe should be 16 or 18
NO
Picture 5 - Examples of correct and uncorrect chimney execution
Model
ø entrance
ø flue H < 4m
ø flue 4 m < H < 6m
ø flue H > 6m
Necessary depression
Table 2 - Indications for the dimension of the chimney according to
its height
cm. The connection to a flue shorter than
4 m is not allowed, as indicated in table 2.
The thermal cooker must not be connected
to a shared flue, moreover the connection
should be linear as more as possible, with-
out horizontal parts (see picture 5).
ST 60
ST 90
STK
130 mm 140 mm 140 mm
Draught not guaranteed
160 mm 180 mm 180 mm
150 mm 160 mm 160 mm
12 Pa
12 Pa
12 Pa
112
YES
H
Picture 6 - H dimension for the sizing of
the flue