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Balanced flue
Flue gas routing options
B23
Flue in a duct and combustion air directly via the appliance (open flue)
B33
Flue in a duct with horizontal, concentric supply line (open flue)
Connection to moisture-resistant flue gas chimney with horizontal concentric
B33
connection pipe (open flue)
Horizontal roof outlet through pitched roof
C13x
(room sealed – on-site dormer)
Vertical concentric roof outlet through pitched or flat roof, vertical concentric
C33x
balanced flue for duct installation (room sealed)
Connection to moisture-resistant balanced flue chimney, maximum pipe length
C43x
from centre of boiler bend to connection 2 m
(room sealed)
Connection to flue in a duct and ventilation air supply through external wall
C53
(room sealed), 3 m ventilation air duct incl.
Connection to flue on external wall (room sealed),
C53x
combustion air intake via external wall
Connection to flue in a duct and ventilation air through external wall (room
C83x
sealed)
Concentric connection to moisture-resistant flue gas chimney and combustion
C83x
air through external wall (room sealed)
Flue for duct installation
C93x
Connection pipe DN 60/100, vertical DN 60
Flue for duct installation
C93x
Connection pipe DN 60/100 or DN 80/125, vertical DN 80
The maximum length corresponds to the total length from the appliance to the flue terminal.
1)
For available gas fan draughts, see specification.
Note: Systems C33x and C83x are also suitable for
installation in garages.
Where necessary, adapt the installation examples to the
relevant building regulations and requirements in your
country/region. Any questions relating to the installation,
particularly regarding the provision of inspection
components and ventilation apertures (ventilation generally
required above 50 kW output) should be raised with your
local flue gas inspector prior to installation.
The specified lengths refer to concentric balanced
flues and standard flues, and apply to original Wolf
components only.
Balanced flue systems DN 60/100 and DN 80/125
are certified as single units together with Wolf gas
condensing boilers.
3064816_201804
36. Technical information, balanced flue
DN 60/100
DN 80/125
DN 60/100
DN 80/125
DN 110/160
DN 80/125
DN 80/125
DN 80/125
The following balanced flues or standard flues with
CE-0036-CPD-9169003 certification may be used:
- Flue DN 80
- Concentric balanced flue DN 60/100 and DN 80/125
- Flue DN 110
- Concentric balanced flue (on external walls) DN 80/125
- Flexible flue DN 83
Wolf accessories are supplied with the necessary
identification labels.
Please also observe the installation information supplied
with the accessories.
Maximum length
[m]
up to
up to
14 kW
20 kW
24 kW
DN 60
45
25
DN 80
-
50
DN 60
43
23
DN 80
50
50
Calculation to EN 13384
(balanced flue chimney
manufacturer)
10
10
10
10
16
14
17
22
18
25
Calculation to EN 13384
(balanced flue chimney
manufacturer)
50
50
50
50
50
50
Calculation to EN 13384
(balanced flue chimney
manufacturer)
rigid
17
17
flexible
13
13
rigid
18
21
flexible
14
17
1)
up to
21
50
19
50
10
10
12
26
30
50
50
50
17
13
26
22
71
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