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2.7
FLUES/CHIMNEYS
IT
The flue or chimney used to release the
ES
products of combustion into the atmosphe-
re must comply with current legislation.
PT
2.7. 1
Passing flue pipes through
GB
an existing chimney
When renovating or passing flue pipes
through an existing chimney, use only flues
which are declared suitable for the purpo-
se by the manufacturer, following the
instructions for installation and use provi-
ded by the manufacturer.
2.8
INSTALLATION COAXIAL DUCT
The air inlet-smoke outlet assembly ø
60/100 is supplied in a kit code 8084811
complete with mounting instructions.
With the curve supplied in the kit the
maximum horizontal length of the flue
must not exceed 3.5 metres in model "25
Solar" - 3 metres in models "30 Solar".
The diagrams in fig. 7 illustrate a number of
examples of different coaxial outlets.
2.8. 1
Coaxial flue diaphragm
The boiler is supplied as standard with a ø
86 diaphragm (version "25 Solar") and ø
87.5 diaphragm (model "30 Solar"). With
outlet type C12-C42, install diaphragm ø
86 or ø 87.5 only if the coaxial flue is less
than 1 metres long.
For C32 discharge options, it is necessary
to order the optional diaphragm separately
and use it in accordance with the instruc-
tions provided in figure 8.
2.9
INSTALLATION SEPARATE
PIPES
When installing the pipes, follow closely the
requirements of the current standards, as
well as the following practical pointers:
– With direct intake from outside, when
the pipe is longer than 1 m, you are
recommended to insulate the piping so
as to prevent formation of dew on the
outside of the piping during particularly
hard periods of the year.
– With the outlet pipe outside the building
or in cold indoor environments, insulation
is necessary to prevent burner failure in
starting.
In such cases, provide for a condensate-
collector system on the piping.
– If a segment of the flue passes through a
flammable wall, this segment must be
insulated with a glass wool pipe insulator
30 mm thick, with a density of 50 kg/m
78
KEY
1
Coaxial flue kit L. 810
code 8084811
2 a Extension L. 1000
code 8096103
2 b Extension L. 500 code 8096102
3
Vertical extension L. 200 code 8086908
4
Additional 90° curve code 8095801
6
Articulated tile code 8091300
7
Roof outlet terminal L. 1284 code 8091200
8
Vertical condensation collector L. 200 cód. 8092803
IMPORTANT:
– Each additional 90° curve installed reduces the available length by 0.90
metres.
– Each additional 45° curve installed reduces the available length by 0.45
metres.
– It is advisable to assemble the condensation collector (8) on vertical segments
exceeding 2.5 metres in length and to limit maximum length to 4 metres.
"25 Solar"
With outlet type C12-C42, install diaphragm ø 86 or ø 87.5 only if the coaxial flue is
less than 1 metres long.
With outlet type C32, use the following diaphragms, depending on flue length and without
any additional curves:
Installations with vetrical
extension L. 200 code 8086908
Diaphragm
ø 86
(cod. 6028623) (cod. 6028624)
L min = 1,3 m
L min = 2,5 m
L max = 2,5 m
L max = 4 m
3
.
x
2
4
y
3
C42
x + y = max 3,5 m "25"
x + y = max 3,0 m "30-35"
Installations with vertical condensation
Diaphragm
Without
ø 87,5
diaphragm
(cod. 6028624)
L min = 4 m
L max = 2,5 m
L max = 5 m
7
6
2
3
8
C32
max 3,5 m "25"
max 3,0 m "30-35"
1
C12
Fig. 7
"30 Solar"
collector code 8092803
Diaphragm
None
ø 87,5
diaphragm
L min = 2,5 m
L max = 4 m
Fig. 8
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