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Idiomas disponibles
Idiomas disponibles
6.11.1 Coaxial duct (Ø 60/100mm and Ø 80/125mm)
Coaxial accessories
Description
Coaxial duct kit
Extension W. 1000 mm
Extension W. 500 mm
Vertical extension W. 200 mm with
smoke analysis take-off point
Adapter for Ø 80/125 mm
Additional 90° curve
Additional 45° curve
Tile with joint
Roof outlet terminal W. 1284 mm
Vertical condensation recovery W. 200
mm
Load loss - Equivalent lengths
Model
90° curve
45° curve
Minimum-Maximum Lengths
Duct Length Ø 60/100
W
Model
Horizontal
(m)
Min. Max. Min. Max. Min. Max. Min. Max.
GO 18 BF
-
3,0
-
3,0
GO 25 BF
-
2,5
GO 30.BF
m
CAUTION
(*) Vertical condensate recovery MUST be introduced
for vertical ducts (Type C32) or vertical sections of the
duct (Type C42) longer than 1.3m.
Diaphragms for coaxial ducts
Boilers leave the factory provided with a diaphragm (1) with the
following characteristics:
– GO 18 BF : diaphragm Ø 79 mm
– GO 25 BF : diaphragm Ø 81 mm
– GO 30.BF : diaphragm Ø 86 mm.
64
Code
Ø 60/100
Ø 80/125
mm
mm
8084813
8084830
8096103
8096130
8096102
-
8086908
-
-
8093120
8095801
8095820
8095900
8095920
8091300
8091300
8091200
8091200
8092803
8092803
Leq (linear metres)
Ø 60/100
Ø 80/125
mm
mm
1
1
0,5
0,8
Duct Length Ø 80/125
W
H Vertical
H Vertical
Horizontal
(m)
(m)
(m)
1,3
4,0
3,5
5,5
4,0
(*)
1,3
4,0
3,5
5,5
4,0
(*)
1,3
3,5
3,0
5,0
4,0
(*)
1
Fig. 29
When the outlets are Type C12 or C42 the diaphragm is to be
removed or kept following the indications below:
Model
GO 18 BF
GO 25 BF
GO 30.BF
GO 18 BF
GO 25 BF
GO 30.BF
When the outlet is Type C32 (vertically straight without any
curves), the presence of the diaphragm modifies the maximum
length of the duct as shown below:
Model
GO 18 BF
GO 25 BF
GO 30.BF
GO 18 BF
GO 25 BF
GO 30.BF
6.11.2 Separate ducts (Ø 80mm)
Constructing outlets for separate ducts requires the use of kit
code 8089916 ( GO 18 BF ) and kit code 8089915 ( GO 25 BF - GO
30.BF
). This is to be ordered separately from the boiler and when
connected to the other accessories, to be chosen from those
listed in the table, completes the flue gas outlet/ combustion air
inlet assembly.
The total maximum length obtained by adding the lengths of
the outlet and inlet pipes is determined by the load loss of the
individual accessories used and must not be greater than 7 mm
H
O for GO 18 BF , 9 mm H
2
Separate accessories
6,0
6,0
Description
5,5
Separate ducts kit (flue gas outlet
flange, suction cup and segmented
diaphragm)
GO 18 BF
Separate ducts kit (flue gas outlet
flange, suction cup and segmented
diaphragm)
GO 25 BF
90° curve M-F (6 pieces)
90° curve M-F (with take-off point)
90° curve M-F (insulated)
Extension W. 1000 mm (6 pieces)
Extension W. 1000 mm (insulated)
Extension W. 500 mm (6 pieces)
Extension W. 135 mm (with take-off
point)
Wall outlet terminal
Internal and external ring nut kit
Inlet terminal
45° curve M-F (6 pieces)
Condensate recovery W. 135 mm
Manifold
Tile with joint
Roof outlet terminal W. 1390 mm
Condensate recovery Tee
Inlet/outlet fitting Ø 80/125 mm
Diaphragm
YES
(fit it)
NO
(do not use)
Diaphragm
YES
NO
O for GO 25 BF and GO 30.BF .
2
Code
Diameter Ø 80 (mm)
8089916
8089915
-
GO 30.BF
8077410
8077407
8077408
8077309
8077306
8077308
8077304
8089501
8091500
8089500
8077411
8092800
8091400
8091300
8091201
8093300
8091401
EN
for duct L
< 1 m
> 1 m
Max L (m)
1,5
4,0
3,5
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