13
600
476
880
95
182
Ø 100
165
fig. 11
To 1,5 m
fig. 10
Diaphragm
DIMENSIONAL HEIGHTS FOR CONNECTION OF THE FLUE GAS DISCHARGE
TO COAXIAL DUCTS
Neoprene
seal
EXAMPLE WITH COAXIAL PIPES
2.2.8
Discharge of flue gas into
coaxial ducts with a diameter
of 100/60 mm (Type A acces-
sories)
Type C12
The minimum lenght of horizontal coaxial
ducts is 0.5 metres. The maximum allowa-
ble length of horizontal coaxial ducts is
3
metres
; for each additional bend the maxi-
mum 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 lenght of vertical coaxial
ducts is 0.5 metres. The maximum allowa-
ble length of vertical coaxial ducts is
4 me-
tres
including the stack; for each additio-
nal bend the maximum allowable length
must be reduced by 1 metre.
The diaphragm supplied with the boiler
must be inserted in the flue gas exhaust
pipe as shown in figure 10 for installa-
tions with a coaxial pipe of 0.5 m to 1,5
m.
Installation info
Diaphragm
