Sime MURELLE 25 OF Manual Del Usuario página 80

2.7.3 Accessories ø 80/125
ES
The ø 80/125 coaxial duct is supplied on
PT
request in a kit code 8084830 complete
with assembly instructions.
With the curve supplied in the kit, the maxi-
GB
mum horizontal length of the duct must be
no more than 6 metres.
The diagrams in fig. 6 show some examples
of the different types of ø 80/125 coaxial
discharge modalities.
KEY
1 Coaxial duct kit code 8084830
2 Extension L. 1000 code 8096130
3 Vertical extension L. 200 with coupling code 8086908
4a Additional 90° elbow code 8095820
4b Additional 45° elbow code 8095920
5 Adapter for 80/125 code 8095920
6 Tile for joint code 8093120
7 Terminal for roof exit L. 1284 code 8091200
8 Vertical condensation collector L. 200 code 8092803
IMPORTANT:
– Each additional 90° elbow installed reduces the available length by 1.0 metres.
– Each additional 45° elbow installed reduces the available length by 0.80 metres.
– The insertion of the condensation collector (8) is obligatory in C32 discharge type.
– The insertion of the condensation collector (8) is obligatory in C42 discharge type
when the stretch "y" is longer than 1.3 metres.
80
2.8 INSTALLATION OF SEPARATE
DUCTS (versions "BF - BFT")
When installing, the provisions of the laws
in force must be adhered to, as well as cer-
tain practical suggestions:
– With aspiration directly from outside,
when the duct is longer than 1 metre, it
is advisable to insulate the said duct in
order to avoid the formation of dew on
the outside of the pipe when the weather
x
2
4
2
y
5
3 8
C42
x + y = min. 3,5 m/max 6 m "25"
x + y = min. 3,0 m/max 6 m "30-35"
1
7
6
2
5
8
C32
min. 3,5 m - max 6 m "25"
min. 3,0 m - max 6 m "30-35"
1
2 1
C12
is particularly cold.
– With ducts with discharge positioned
outside the building, or in cold environ-
ments, insulation is necessary to avoid
difficulty in starting the burner. In these
cases, a condensation system on the
pipes must be provided for.
– If the pipe passes through inflammable
walls, insulate the stretch of the fumes
discharge pipe that passes through the
Fig. 6