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Idiomas disponibles
TS2").
As the maximum pipe length is determined
by adding up the flow resistance of the
various individual accessories installed
(excluding ø 60/80 adapter), refer to Table
1 for calculation.
The complete range of accessories neces-
sary to satisfy all installation needs is given
in fig. 7.
2.9
COAXIAL DUCT (C Type)
TYPE FOR INDOOR
INSTALLATION
2.9. 1
Coaxial duct ø 60/100
The intake and ø 60/100 coaxial drain pipe
is supplied in a kit code 8084811.
To mount t he kit also r eques t t he ø
60/100 connection, code 8093101 (pos.
G fig. 8) .
With the curve supplied in the kit, the maxi-
mum horizontal length of the duct must be
no more than 3.6 metres.
For connection to the boiler and the diffe-
rent types of discharge modalities, see fig.
9.
2.9.2
Diaphragm installation
coaxial duct ø 60/100
The boiler is supplied with the ø 86 diaph-
ragms as per standard.
In C12-C42 drain types, install the diaph-
ragm only when the length of the coaxial
pipe is less than 1 metre.
In C32 drain types, request the ø 87.5
diaphragm separately. It is supplied as an
66
KEY
A ø 60/100 elbow
C ø 125/95 sponge gasket
D Rubber internal ring nut
E Rubber external ring nut
F ø 60 drain pipe
optional to be used on the basis of the indi-
cations in fig. 9.
2.9.3
Accessories ø 80/125
The ø 80/125 coaxial duct is supplied on
request in a kit code 8084830 complete
with assembly instructions.
KEY
1
Adapter ø 60/80 (supplied with the boiler)
2
Diaphragm with ø 35 sectors (supplied with the boiler)
3
90° elbow MF con presa prelievo
4 a Extension L. 1000 (6 pz.)
4 b Isolated extension L. 1000
4 c Extension L. 500 (6 pz.)
6 a 90° elbow MF (6 pz.)
6 b Isolated 90° elbow MF
7
L. 135 extension with sample point
8
45°elbow MF (6 pz.)
9
L. 135 condensate recovery tank
10
Articulated tile
11
Terminal roof exit L. 1390
12
Tee condensation outlet
G ø 60/100 connection code 8093101)
H Diaphragm
NOTE: The pipe must slope downwards
slightly to prevent the entry of rain
water into the boiler.
To mount t he kit, also r eques t t he ø
60/100 connection, code 8093101.
With the curve supplied in the kit, the maxi-
mum horizontal length of the duct must be
no more than 6 metres in model "25 BF
TS2" and 7 metres in model "30 BF TS2".
The diagrams in fig. 9/a show some exam-
ples of the different types of ø 80/125
coaxial discharge modalities.
code 8077407
code 8077309
code 8077306
code 8077308
code 8077410
code 8077408
code 8077304
code 8077411
code 8092800
code 8091300
code 8091201
code 8093300
Fig. 7
ø 86
Fig. 8
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