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certain cases even to cut out the safety
device with which the valve is equipped,
install an adequate filter on the gas pipe.
2.6
SYSTEM FILLING
The system is filled using a specific valve
(10 fig. 6). The charge pressure, with the
system cold, must be between 1 and 1.2
bar. To empty the system, turn the boiler off
and act on the boiler drain (5 fig. 6).
2.7
INSTALLATION OF
COAXIAL DUCT
(ø 60/100 - ø 80/125)
The coaxial suction and discharge pipes are
supplied in a special kit (that can be purcha-
sed separ at el y) along wit h assembl y
instructions.
The diagrams of fig. 8 illustrate some
examples of different types of discharge
modalities allowed and the maximum
lengths that can be reached.
IMPORTANT:
– The insertion of each additional 90° bend with a dia-
meter of 60/100 reduces the available section by
1.5 meters.
– The insertion of each additional 90° bend with a dia-
meter of 80/125 reduces the available section by 2
meters.
– Each additional 45° curve installed reduces the avai-
lable length by 1.0 metres.
– During assembly it is important to make sure that
the kit with axial pipes. (1) is positioned horizontally.
NOTE: Before connecting accessories, it is always advi-
sable to lubricate the internal part of the gaskets with
silicon products. Avoid using oils and greases.
Model
Length of pipe
ø 60/100
L
Min.
25 / 15
6 m
1,3 m
LIST OF ø 60/100 ACCESSORIES
Coaxial duct kit code
1
8096250
Extension L. 1000 code
2a
2b
Extension
L. 500 code 8096151
Vertical extension
3
L. 140
Additional 90° curve code
4 a
4 b
Additional 45° curve code
Tile for joint code
5
8091300
Terminal for roof exit L.
6
10
Open
Apre
y
Length of pipe
ø 80/125
H
L
H
Max.
Min.
Max.
8 m
12 m
1,2 m
15 m
8096150
with coupling code
8086950
8095850
8095950
1285 code 8091205
KEY
4 3 BAR safety valve
5 Boiler discharge
6 Automatic by-pass (blue)
7 Water pressure switch
8 Diverter valve
10 Filling system cock
NOTE: They are evidenced in blue/white the members
for which are previewed the verification and the control.
x
2
4
2
3
C43
x + y = L (m)
1
C13
LIST OF ø 80/125 ACCESSORIES
Coaxial duct kit code
1
8096253
Extension
2 a
L. 1000 code 8096171
2 b
Extension
L. 500 code 8096170
Adapter for
3
ø 80/125 code 8093150
Additional 90° curve code
4 a
8095870
4 b
Additional 45° curve code
8095970
Tile for joint code
5
8091300
Terminal for roof exit L.
6
1285 code 8091205
8
7
6
4
5
Fig. 6
6
5
2
3
C33
L (m)
2
1
Fig. 8
IT
ES
PT
ENG
87
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