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sure, with the system cold, must be
between 1 and 1.5 bar.
NB: The "T" versions the loading is done
by loading tap externally mounted by the
installer.
2.4. 1
System draining (fig. 4)
To drain the system, turn off the boiler and
use the discharge valve (7).
2.5
INSTALLATION OF
COAXIAL DUCT
ø 60/100 - ø 80/125 (fig. 6)
The axial suction and discharge pipes are sup-
plied in a special kit (that can be purchased
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 redu-
ces 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 accessories, it is always
advisable to lubricate the internal part of
the gaskets with silicon products. Avoid
using oils and greases.
Model
Length of pipe
L
12 T
6 m
20 T
6 m
25 / 25 T
6 m
30 / 30 T
5 m
35 / 35 T
4 m
LIST OF ø 60/100 ACCESSORIES
1
Coaxial duct kit code
2a
Extension L. 1000 code
2b
Extension
L. 500 code 8096151
3
Vertical extension
4a
Additional 90° curve code
4b
Additional 45° curve code
5
Tile for joint code
6
Terminal for roof exit L.
82
separately) along with assembly 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
INSTALLATION OF SEPARATE
DUCTS ø 80 - ø 60 (figg. 7-8)
The kit with dedicated pipes enables to
separate the exhaust fumes pipes from the
air suction pipes (Fig. 7):
- The kit with dedicated ø 80 pipes, code.
8089912, includes a SUCTION DIAPH-
RAGM THAT IS NOT used f or t hese
models. To be able to use the air tap, cut
its base with a tool (A) and assemble it
(B).
y
Length of pipe
ø 60/100
ø 80/125
H
L
H
Min
Max
Min
1.3 m
8 m
12 m
1.2 m
1.3 m
8 m
12 m
1.2 m
1.3 m
8 m
12 m
1.2 m
1.3 m
7 m
10 m
1.2 m
1.3 m
6 m
8 m
1.2 m
8096250
8096150
L. 140
with coupling code
8086950
8095850
8095950
8091300
1285 code 8091205
x
2
4
2
3
C43
x + y = L (m)
1
Max
15 m
15 m
15 m
13 m
11 m
LIST OF ø 80/125 ACCESSORIES
1
Coaxial duct kit code
2a
Extension
L. 1000 code 8096171
2b
Extension
L. 500 code 8096170
Adapter for
3
ø 80/125 code 8093150
Additional 90° curve code
4a
Additional 45° curve code
4b
Tile for joint code
5
8091300
Terminal for roof exit L.
6
- The kits with dedicated ø 60 pipes, code
8089913, include a suction collar that
replaces the boiler collar (C).
It is now possible to insert an expansion or
bend in polypropylene without gaskets or
sealant.
The maximum overall length, resulting
from the sum of all the suction and
discharge pipes, is determined by the
load losses of the single connected acces-
sories and should not exceed 10 mm H
(version 12) - 13 mm H
15 mm H
O (version 25-30-35) (ATTEN-
2
TION: the total length of each pipe should
not exceed 50 m, even if the total loss is
below the maximum applicable loss.)
See Table 1-1/a for information on the
load losses of single accessories and the
example of Fig. 8 for information on how to
6
5
2
3
C33
L (m)
2
1
C13
8096253
8095870
8095970
1285 code 8091205
O
2
O (version 20) -
2
Fig. 6
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