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CONCENTRIC OUTLETS (Ø 80-125)
The boiler is furnished predisposed for connection to
concentric outlets/inlets and with the air aspiration
aperture closed.
The concentric outlets may be oriented in the direction
best suited to the requirements of the premises,
respecting the maximum lengths indicated at the table
below. For installation, follow the instructions provided
with the kit.
Execute a Ø 140 mm hole for transit through the wall.
Depending on the length of ducts used, it is necessary
to insert a flange selecting one from those contained in
the boiler (see table below).
Particular care is required with the external temperature
and the length of the pipe. Refer to the graphics to
establish whether the condensation trap is mandatory
or not.
In the case of operation at boiler temperatures below
60 °C, the use of a condensation trap is mandatory.
In the case of use of condensation trap the fumes
discharge pipe must be inclined by 1% towards the trap.
Connect the condensation trap siphon to a white water
outlet pipe.
Non insulated discharge pipes are potential sources of
danger.
24 ie FF m
Vertical and horizontal
Fumes flange
flue lenghts (m)
from 0,96 to 2,9
from 2,9 to 5,7
from 5,7 to 8,6
from 8,6 to 12,4
not installed
28 ie FF m
Vertical and horizontal
Fumes flange
flue lenghts (m)
from 0,96 to 2,9
from 2,9 to 5,2
from 5,2 to 8,10
from 8,10 to 10
not installed
TWIN OUTLETS (Ø 80)
Twin outlets can be turned in any direction best suited
to room requirements.
The flue duct for combustion products (N) is shown in
fig. 9.
The comburent air suction duct can be attached at the
inlet (M) after removing the closure cap screwed down
by screws.
Where necessary, the fumes flange (L) must be levered
out with a screwdriver.
Reference quotas are given in fig. 9 to mark out the Ø
85 openings through the wall in respect of the boiler
supporting plate.
A flange has to be inserted depending on the length of
the ducts used, choosing it from amongst those in the
boiler (see table given here below).
Each single duct must be no longer than 25 m (24 ie
FF m) and 18 m (28 ie FF m).
Load losses
(L)
on each bent (m)
45°
90°
ø 42
ø 44
1,35
ø 46
Load losses
(L)
on each bent (m)
45°
90°
ø 45
ø 47
1,35
2,2
ø 49
14,0
13,5
13,0
12,5
12,0
11,5
11,0
10,5
10,0
9,5
CONDENSATE COLLECTOR
9,0
8,5
8,0
7,5
7,0
6,5
6,0
5,5
5,0
4,5
4,0
3,5
3,0
2,5
2,0
1,5
1,0
0,5
0,0
-30
-25
14,0
13,5
13,0
12,5
12,0
11,5
11,0
CONDENSATE COLLECTOR
10,5
10,0
9,5
9,0
8,5
8,0
7,5
7,0
6,5
6,0
5,5
5,0
4,5
4,0
3,5
3,0
2,5
2,0
1,5
1,0
0,5
0,0
-30
-25
2,2
M
Fig. 9
8
24kW
COMPULSORY
CONDENSATE COLLECTOR
NOT COMPULSORY
-20
-15
-10
-5
0
5
EXTERNAL TEMPERATURE (°C)
28kW
COMPULSORY
CONDENSATE COLLECTOR
NOT COMPULSORY
-20
-15
-10
-5
0
5
EXTERNAL TEMPERATURE (°C)
L
N
M
180 (24 ie FF m)
205 (28 ie FF m)
10
15
20
25
30
10
15
20
25
30
180 (24 ie FF m)
205 (28 ie FF m)
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