Sime MURELLE 25 OF Manual Del Usuario página 81

wall with rounded glass wool 30 mm
thick and with a density of 50 kg/m
The maximum total length, which is the
sum of lengths of the aspiration and
discharge pipes, is determined by the loss
of charge of the single accessories inser-
ted and must not result as more than 7.0
mm H O in version "20" - 7.6 mm H
2
version "25" - 9 mm H O in version "30" -
2
12 mm H O in version "35".
2
For the loss of charge of the accessories,
refer to Table 1 and to the example given in
fig. 7.
2.8. 1 Separate ducts kit
The separate ducts kit code 8089904 (fig.
8) is supplied with the aspiration diaph-
ragm which must be used, according to the
maximum loss of charge allowed in both
the ducts, as indicated in fig. 8/a.
To use the air intake vent in this type of
discharge, the following operations must be
carried out (fig. 9):
– Remove the base of the air intake vent
by cutting it with a tool (a);
2
3
6
No. segments
to remove
none
No. 1
No. 1 e 2
from No. 1 to 3
from No. 1 to 4
from No. 1 to 5
from No. 1 to 6
from No. 1 to 7
from No. 1 to 8
from No. 1 to 9
from No. 1 to 10
without diaphragm
TABLE 1
2
.
Accessories ø 80
90° elbow MF
45° elbow MF
Extension L. 1000 (horizontal)
O in
2 Extension L. 1000 (vertical)
Wall terminal
T-shaped condensation collector
Roof exit terminal*
* The loss of the roof exit terminal in aspiration concludes the collector code 8091400
Example of allowable installation "25 BF" calculation in that the sum of the head losses of the
single fittings is less than 7.6 mm H
7 meter horizontal pipe ø 80 x 0.20
7 meter horizontal pipe ø 80 x 0.30
No. 2 90° elbows ø 80 x 0.35
No. 2 90° elbows ø 80 x 0.40
No. 1 wall terminal ø 80
Total head loss
With this total head loss, remove the segments from No. 1 to No. 7 from diaphragm in the intake
pipe.
1
KEY
1 ø 125/95 sponge seal
4
2 Fixing screw
3 Flue outlet flange
4 Inlet air diaphragm
6 Manifold with intakes
20
K mm 180 180 205 205
Total load loss mm H
20 25 30
0 ÷ 2.0 0 ÷ 0.8 -
2.0 ÷ 3.0 0.8 ÷ 1.6 -
3.0 ÷ 4.0 1.6 ÷ 2.4 0 ÷ 1.0
4.0 ÷ 5.0 2.4 ÷ 3. 1 1.0 ÷ 2.0
5.0 ÷ 6.0 3. 1 ÷ 3.8 2.0 ÷ 3.0
6.0 ÷ 7.0 3.8 ÷ 4.5 3.0 ÷ 4.0
--- 4.5 ÷ 5.2 4.0 ÷ 4.8
--- 5.2 ÷ 5.8 4.8 ÷ 5.6
--- 5.8 ÷ 6.4 5.6 ÷ 6.4
--- 6.4 ÷ 7.0 6.4 ÷ 7.2
--- - 7.2 ÷ 8.0
--- 7.0 ÷ 7.6 8.0 ÷ 9.0
20
Intake Outlet Intake
0.30 0.35 0.35
0.25 0.30 0.30
0. 1 5 0.25 0.20
0. 1 5 0.05 0.20
0. 1 0 0.40 0. 1 5
--- 0.70 ---
1.30 0.05 1.60
O:
2
25 30 35
O
2
35
-
-
0 ÷ 1.0
1.0 ÷ 2.0
2.0 ÷ 3.0
3.0 ÷ 4.0
4.0 ÷ 5.0
5.0 ÷ 6.0
6.0 ÷ 7.0
7.0 ÷ 8.0
8.0 ÷ 10.0
10.0 ÷ 12.0
Load loss (mmH O)
2
25 30 35
Outlet Intake Outlet Intake
0.40 0.45 0.50 0.65
0.35 0.40 0.45 0.60
0.30 0.25 0.35 0.30
0. 1 0 0.25 0. 1 5 0.30
0.50 0.20 0.80 0.20
0.80 --- 1.00 ---
0. 1 0 2.00 0.20 2.50
Intake Outlet
1.40 –
– 2. 1 0
0.70 –
– 0.80
0. 1 5 0.50
2.25 + 3.40 = 5.65 mmH
K
100
Fig. 8/a
ES
PT
Outlet
0.70
GB
0.65
0.40
0.20
1.20
1.40
0.30
O
2
Fig. 7
Fig. 8
81