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to entrap all the impurities in the gas or in
gas main pipes.
To prevent malfunctioning of the valve, or in
certain cases even to cut out the safety
device with which the valve is equipped,
install an adequate filter on the gas pipe.
2.4
SYSTEM FILLING
Filling of the boiler and the system is done
by the charge load faucet (fig. 23/a).
The charge pressure, with the system cold,
must be between 1 and 1.5 bar. During
system filling you are recommended to
keep the main switch turned OFF. Filling
must be done slowly so as to allow any air
bubbles to be bled off through the air valves.
2.4. 1
System draining
To drain the system, turn off the boiler and
IMPORTANT:
- The insertion of each additional 90°
bend with a diameter of 60/100
reduces the available section by 1.5
meters.
- The insertion of each additional 90°
bend with a diameter of 80/125
reduces the available section by 2
meters.
- Each additional 45° curve installed
reduces the available 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 accesso-
ries, it is always advisable to lubrica-
te the internal part of the gaskets
with silicon products. Avoid using oils
and greases.
Model
Length of pipe
ø 60/100
L
Min
25/55
6 m
1.3 m
30/55
5 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
3
Vertical extension
L. 140
4a
Additional 90° curve code
4b
Additional 45° curve code
5
Tile for joint code
8091300
6
Terminal for roof exit L.
to loosen with one key from 13 the appro-
priate download of some turns (fig. 5/a).
2
4
2
y
C43
x + y = L (m)
Length of pipe
ø 80/125
H
L
H
Max
Min
Max
8 m
12 m
1.2 m
15 m
7 m
10 m
1.2 m
13 m
8096150
with coupling code
8086950
8095850
8095950
1285 code 8091205
2.5
The axial 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. 6 illustrate some
examples of different types of discharge
modalities allowed and the maximum
lengths that can be reached.
2.6
The separate ducts kit code 8089911/14
with taken for the combustion analysis con-
cur to separate to the download culverts
smoke and aspiration air. For the positio-
ning to make reference the fig. 7.
Fig. 5/a
The maximum overall length, resulting
x
3
1
2
C13
LIST OF ø 80/125 ACCESSORIES
1
Coaxial duct kit code
8096253
2a
Extension
L. 1000 code 8096171
2b
Extension
L. 500 code 8096170
3
Adapter for
ø 80/125 code 8093150
4a
Additional 90° curve code
4b
Additional 45° curve code
5
Tile for joint code
8091300
6
Terminal for roof exit L.
1285 code 8091205
INSTALLATION OF
COAXIAL DUCT
(ø 60/100 - ø 80/125)
INSTALLATION OF SEPARATE
DUCTS (ø 80 - ø 60)
6
5
2
3
C33
L (m)
1
8095870
8095970
ES
PT
ENG
Fig. 6
73
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