Ferroli F24 Installation, Service And User Instructions Manual page 15

Notes on concentric horizontal installation
To locate the centre of the hole for pass n the
p pes throu h the wall, refer to fi
m nd that the two concentr c p pes must slope
downwards away from the bo ler at a rate of
about 3 mm/m to avo d ra nwater enter n the
bo ler The concentr c p pes mak n up the a r
- flue as duct must be sealed w th the asket
where they jo n the bo ler (fi
p pes should protrude from the wall between 10
and 60 mm (fi 1 )
3.03.3 Maximum concentric fl ue length
rst table below shows the ma mum flue len ths ava lable for bo lers w th concentr c systems
or correct calculat on remember to nclude the reduct on for bends on second table
3 0 for use of restr ctor
Maximum flue lenght permissible
Ferroli F24
or horizontal lueing the re uction or a
Reduction for bend
100 mm concentric bend 90°
100 mm concentric bend 45°
125 mm concentric bend 90°
125 mm concentric bend 45°
13b Bear n
1 ) Outs de, the
1
100 mm concentric
Vertical Horizontal*
4 m 3
liance en or turret are alrea
1 m
0,5 m
0,5 m
0,25 m
max. 3 m
concentric
100/60
1 a
125 mm concentric
Vertical Horizontal*
m 5 m 5
Between
10-60 mm
lease refer to
m
inclu e .
concentric
100/60
1 b
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