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2.6. 1
Separate ducts kit
The diagrams of figure 9 show a few exam-
ples of the permitted exhausts configura-
tions.
2.6.2
Connection to existing flues
The ø 80 or ø 60 exhaust pipe can also be
connected to existing flues. When the boi-
ler runs at low temperature, it is possible
to use standard flues provided that:
- The flue is not be used by other boilers.
- The interior of the flue is protected to
1
LIST OF ø 80 ACCESSORIES
1
Separate flue kit ducts code
Additional 90° MF curve code
2
Extension
3 a
L. 1000 code 8077351 (6 pz.)
Extension
3 b
L. 500 code 8077350 (6 pz.)
4 Exhaust terminal, code 8089501
5 Kit with internal/external ring nuts, code 8091500
6 Suction terminal, code 8089500
Additional 45° MF curve code
7
9 Manifold, code 8091400
Tile for joint code
10
8091300
Terminal for roof exit
11
L. 1381 code 8091204
12 --------
13 Union suction/exhaust code 8091401
14 Coaxial exhaust ø 80/125 L. 885 code 8091210
LIST OF ø 60 ACCESSORIES
Separate flue kit ducts code
1
Additional 90° MF curve code
2 a
2 b MF 90° bend with suction tap, code 8089924
Extension
3
L. 1000 code 8089920
4 Exhaust terminal, code 8089541
5 Kit with internal/external ring nuts, code 8091510
6 Suction terminal, code 8089540
7
Additional 45° MF bend, code 8089922
9 Manifold, code 8091400
10
Tile for joint code
8091300
11
Terminal for roof exit
L. 1381 code 8091204
12 ø 60 MF reduction, code 8089923
13 Union suction/exhaust code 8091401
14 Coaxial exhaust ø 80/125 L. 885 code 8091210
Example of allowable installation "25/55" calculation in that the sum of the head los-
ses of the single fittings is less than 7.6 mm H
9 m horizontal pipe ø 80 x 0. 1 5
9 m horizontal pipe ø 80 x 0. 1 5
n° 2 90° elbows ø 80 x 0.20
n° 2 90° elbows ø 80 x 0.25
n° 1 terminal ø 80
Total head loss
3
2
C43
1
3
8089911
8077450 (6 pz.)
3
1
8077451(6 pz.)
8089914
code 8089921
2
Inlet
1.35
–
0.40
–
0. 1 0
1.85
11
10
9
12
12
12
3
7
3
3
3
1
C33
C53
2
3
3
3
3
5
2
3
C83
1
C13
14
12
13
3
2
3
1
12
C13
NOTE
Before connecting accessories, it is always advisable to
lubricate the internal part of the gaskets with silicon
products. Avoid using oils and greases.
O:
Outlet
–
1.35
–
0.50
0.25
+
2. 1 0
= 3.95 mm H
11
10
2
6
IMPORTANT: In type C53 the
outlet and inlet flues must
not come out on opposite
walls.
6
4
max 0,5 m
6
ES
PT
ENG
O
2
Fig. 8
Fig. 9
75
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