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and with a density of 50 kg/m
The maximum available length is determi-
ned by the sum of the head losses of the
individual components of the flue and
must not result as more than 9.0 mm
H
O.
2
For the loss of charge of the accessories,
refer to Table 5 and to the example given in
fig. 9.
2. 1 7.4 Twin Adaptor
The twin adaptor code 8093020 (fig. 10) is
supplied with a diaphragm. Segments must
be removed, depending on the maximum
head loss total in both ducts, as indicated
in fig. 10/a.
2. 1 8
ELECTRICAL WIRING
The boiler is supplied with an electric cable.
Should this require replacement, it must be
purchased exclusively from Sime Ltd.
The power supply must be single-phase
230V - 50 Hz through a main switch pro-
203
K
120
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
3
.
TABLE 5
Accessories ø 80
90° elbow MF
45° elbow MF
Extension L. 1000 (horizontal)
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
Calculation example of the head loss (installation allowed as the sum of the head losses
of the accessories used is less than 9.0 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. 6 from diaphragm in
the intake pipe.
400
L
Total load loss mm H2O
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 ÷ 9.0
Intake
1.40
–
0.70
–
0. 1 5
2.25
3
4
2
1
Load loss (mm H
O)
2
Intake
Outlet
0.35
0.40
0.30
0.35
0.20
0.30
0.20
0. 1 0
0. 1 5
0.50
---
0.80
1.60
0. 1 0
O):
2
Outlet
–
2. 1 0
–
0.80
0.50
+
3.40
= 5.65 mm H
KEY
1 Divider with vent
2 Inlet air diaphragm
3 Air intake bend
4 Elbow product discharge
ENG
IT
ES
O
2
Fig. 9
Fig. 10
Fig. 10/a
15
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