Sime Format Dewy.zip 25 BF Manual De Instrucciones página 76

IT
ES
PT
GB
RUS
ted in fig. 7.
It is possible to insert the extensions and
reach a maximum rectilinear distance of
7 meter.
Should it be necessary to make two chan-
ges of direction in the pipe development,
the maximum length of the pipe must not
exceed 4.5 meter.
156,5
63,5
CA
156,5
CS
CA
63,5
134
KEY
CA Inlet
CS Outlet
74
2.8
A special kit may be used to separate the
flue gas outlet from the fresh air intake.
The intake may be installed to the right or
left of the flue gas outlet.
Both ducts may be oriented in any direction.
Refer to fig. 8 for positioning.
TABLE 1
Accessories ø 80
90° elbow MF
45° elbow MF
Extension L. 1000 (horizontal)
Extension L. 1000 (vertical)
Outlet terminal
Inlet terminal
CA
Doubler fitting
Roof outlet terminal L. 1 381
CS
CA
Fig. 8
NOTE
Before connecting accessories, it is always advisable to
lubricate the internal part of the gaskets with silicon
products. Avoid using oils and greases.
KEY
1 Vertical extension L. 140 with take-off points code 8086950
2a Extension L. 1000 code 8096150
2b Extension L. 500 code 8096151
3 Tile with articulation joint code 8091300
4 Roof outlet terminal L. 1285 code 8091205
5 Supplementary 90° elbow code 8095850
6 Supplementary 45° elbow code 8095950
SEPARATE PIPES ø 80
Inlet
0,30
0,20
0,20
0,30
–
0, 1 0
0,20
–
Example of allowable installation calculation ("25 BF" version) in that the sum of the
head losses of the single fittings is less than 13 mm H
7 m horizontal pipe ø 80 x 0,20
7 m horizontal pipe ø 80 x 0,30
n° 2 90° elbows ø 80 x 0,30
n° 2 90° elbows ø 80 x 0,40
n° 1 terminal ø 80
Total head loss
The maximum overall length of the intake
and exhaust ducts depends on the head
losses of the single fittings installed
(excluding the doublers) and must not be
greater than 13 mm H
For head losses in the fittings, refer to
Table 1.
Total head loss (mm H O)
2
"25 BF" model
Outlet Roof outlet Inlet
0,40 – 0,30
0,30 – 0,20
0,30 – 0,20
0,20 – 0,30
0,30 – –
– – 0, 1 0
– – 0,30
– 0,50 –
O:
2
Inlet Outlet
1,40 –
– 2, 1 0
0,60 –
– 0,80
0, 1 0 0,30
2, 1 0 + 3,20 = 5,3 mm H
Fig. 7
O.
2
"30 BF" model
Outlet Roof outlet
0,50 –
0,40 –
0,40 –
0,30 –
0,40 –
– –
– –
– 0,60
O
2