2.4
CHIMNEY
Chimney has a main importance for a correct
working. Wood fired cookers and thermal cookers
are built to insure the maximum efficiency, anyway
the performances of the cooker are deeply influ-
enced by the chimney. If the chimney has defects
or does not match the building laws, it is not in-
Picture 4 - Components of the chimney. A= cooker or thermal cooker, B= conjunction, C= flue, D= chimney, E=
reflow zone
2.5
DIMENSIONS AND CORRECT FORMS OF CHIMNEY
NO
Picture 5 - Samples of correct and incorrect chimney connection.
Chimney must be dimensioned in a correct way ac-
cording to the type of device it is connected with,
minding the environmental and general conditions
of the place in which it is placed. The section of the
sured the correct working of the device. To build
the chimney you must use suitable materials, made
to work with high temperatures and according to
fireproof laws: it is not important the kind of mate-
rial, on condition that it is right and that the chim-
ney is isolated.
E
C
B
A
YES
chimney must permit the flow of the fumes pro-
duced by the cooker or thermal cooker without dif-
ficulties, but it must not be too big otherwise the
chimney will experience problems in heating itself
78
D