16
Installation info
2.2.9 - DISCHARGE OF FLUE
GAS INTO
COAXIAL DUCTS
Ø 100/60 mm
Type C12
The minimum length of horizontal co-axial
ducts is
0.5 metres
. The maximum allowable
length of horizontal co-axial ducts is
3 me-
tres;
for each additional bend the maximum
allowable length must be reduced by 1 metre.
Moreover, the duct must have a downward dip
of 1% towards the outlet point to prevent rain
water from getting into the duct.
Type C32
The minimum length of vertical coaxial ducts
is
0.5 metres
. The maximum allowable length
of vertical coaxial ducts is
4 metres
exclu-
ding the stack (Ø80/125); for each additional
bend the maximum allowable length must be
reduced by 1 metre.
The diaphragm Ø 44 supplied with the boi-
ler must be inserted in the flue gas exhaust
pipe as shown in figure 13, for installa-
tions with horizontal coaxial pipe up to 1
m and with vertical coaxial pipe up to 2 m.
fig. 13
VERTICAL FLUE DUCT WITH
COAXIAL DUCT Ø 80/125
Tipo C32
The minimum length of vertical co-axial ducts
is
1,2 metres
. The maximum allowable length
of vertical coaxial ducts is
6 metres
exclu-
ding the stack (Ø80/125); for each additional
bend the maximum allowable length must be
reduced by 1 metre.
The diaphragm Ø44 supplied with the boi-
ler must be inserted in the flue gas exhaust
pipe, as shown in figure 14, for installa-
tions with a coaxial pipe up to 2,5 m.
fig. 14
Diaframma Ø 44 mm
Ø 60/100
Ø 80/125
Ø 80/125
Ø 80/125
Rubber foam
gasket
Up to 2 m
Up to 1 m
Up to 2,5 m
Rubber foam
gasket
Diaphragm
Ø 44
Diaphragm
Ø 44
Содержание EVE 05 CTFS 24 F
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