Table des Matières
Publicité
Les langues disponibles
Les langues disponibles
EN
Split pipe system
The split pipe system is supplied with the combustion air inlet
diaphragm which is to be mounted, after the sections have been
eliminated according to the total load loss which is calculated by
summing the load losses of the inlet ducts to those of the outlet
ducts.
2
1
KEY:
Split pipe system with take-off point
1
2
Inlet diaphragm
Air inlet
3
Smoke outlet
4
Take-off point for smoke analysis
5
Load loss accessory Ø 80 mm
Brava Slim
Descrip-
Code
25 BF
tion
Out-
Inlet
90° curve
8077410
0,35
0,40
MF
45° curve
8077411
0,30
0,35
MF
Horizontal
extension
8077309
0,20
0,30
W. 1000
mm
Vertical
extension
8077309
0,20
0,10
W. 1000
mm
Wall
8089501
0,15
0,50
terminal
Con-
densate
8093300
-
0,80
recovery
Tee
Roof outlet
terminal
8091200
1,60
0,10
(*)
(*) The losses of the roof outlet terminal at inlet include the man-
ifold code 8091400.
for the boiler to operate correctly it is necessary that a
NOTE:
minimum distance of 0.50 m of the duct is respected with a 90°
inlet curve.
Example: calculation of the load loss of a Brava Slim 25 BF boiler.
Accessories Ø 80
Code
mm
Extension W. 1000
8077309
mm (horizontal)
Extension W. 1000
8077309
mm (horizontal)
90° curve
8077410
90° curve
8077410
Wall terminal
8089501
TOTAL
3
4
5
Fig. 23
Load loss (mm H
O)
2
Brava Slim
Brava Slim
30 BF
40 BF
Out-
Out-
Inlet
Inlet
let
let
0,45
0,50
0,70
1,50
0,40
0,45
0,60
1,00
0,25
0,35
0,40
0,65
0,25
0,15
0,30
0,30
0,20
0,80
0,25
2,00
-
1,00
-
2,20
2,00
0,20
4,00
0,40
Load loss (mm H
O)
Quan-
2
tity
Inlet
Outlet
Total
7
7 x 0,2
-
1,40
7
-
7 x 0,3
2,10
2
2 x 0,35
-
0,70
2
-
2 x 0,4
0,80
2
0,15
0,5
0,65
5,65
(installation permitted since the total of the load loss of the ac-
cessories used is less than 9,0 mmH
With this total load loss, sections 1 to 6 (inclusive) must be re-
moved from the inlet diaphragm (2).
2
No. of sec-
tions to be
Brava Slim 25 BF
removed
None
0 ÷ 2,0
1
2,0 ÷ 3,0
1 ÷ 2
3,0 ÷ 4,0
1 ÷ 3
1 ÷ 4
4,0 ÷ 5,0
1 ÷ 5
1 ÷ 6
5,0 ÷ 6,0
1 ÷ 7
6,0 ÷ 7,0
1 ÷ 8
1 ÷ 9
7,0 ÷ 8,0
1 ÷ 10
Entire dia-
8.0 -
let
phragm
(*) Maximum load loss permitted.
Description
Brava Slim 25 BF
K (mm)
W (mm)
A (mm)
B (mm)
C (mm)
D (mm)
O).
2
Total load loss (mm H
O)
2
Brava Slim 30 BF
Brava Slim 40 BF
0 ÷ 0,8
0,8 ÷ 1,5
1,5 ÷ 2,4
-
2,4 ÷ 3,2
3,2 ÷ 4,0
-
4,0 ÷ 4,8
4,8 ÷ 5,6
5,6 ÷ 6,5
-
6,5 ÷ 7,3
7,3 ÷ 7,8
-
7,8 ÷ 8,4
(*)
8.4 -
(*)
9.0
9.5
L
K
120
Brava Slim 30 BF
Brava Slim 40 BF
203
221
400
450
190
190
190
190
125
125
125
125
Fig. 24
-
-
0 ÷ 2,0
-
2,0 ÷ 4,0
4,0 ÷ 6,0
6,0 ÷ 8,0
8,0 ÷ 9,0
9,0 ÷ 11,0
-
11,0 ÷ 13,0
13,0 ÷
(*)
15,0
Fig. 25
245
450
170
170
165
165
67
Publicité
Table des Matières
