4 Installation
Installation manual
19
D035A1/4AB + D035A4AB
Wall-mounted condensing boiler
3P469346-5N – 2019.11
T2
T2
T2
T1
H
T
I
K
L
F
F
N
E
Terminal position
Minimum
distance (mm)
A
Directly below an open able window or
other opening (e.g. air brick)
300
B
Below gutters, soil pipes or drain pipes
75
C
Below eaves
200
D
Below balconies or car front roofs
E
From vertical drain pipes and soil pipe
150
F
From internal or external corners
300
G
Above ground, roof or balcony level
H
From a surface facing a terminal
600
I
From a terminal discharging towards
another terminal
1200
J
From an opening in a car port (e.g.
door, window) into a dwelling
K
Vertically from a terminal on the same
wall
1500
L
Horizontally from a terminal on the
same wall
300
M
Above an opening, air brick, opening
windows, etc.
N
Horizontally to an opening, air brick,
opening windows, etc.
P
Above roof level (to base terminal)
Q
From an adjacent wall to flue
R
From an adjacent opening window
1000
S
From another roof terminal
600
-
From an external boundary. Note: If the
terminal is facing a boundary, it is
recommended that an anti-plume kit be
fitted.
T
T1
T2
Terminals adjacent to windows or
openings on pitched and flat roofs: The
flue should NOT penetrate this area.
2000
600
NOTICE
The boiler manufacturer cannot be held responsible for
atmospheric conditions when siting flue terminals.
CAUTION
Once the flue system has been installed and the appliance
commissioned, the installer should observe the plume
direction. Particular attention should be drawn to plume
vapour reentering the gas boiler via the air intake. If this
occurs, it is highly possible the flue is fitted with a negative
pressure area and therefore a plume management kit
MUST be fitted.
4.8.10
Applicable flue systems
In this part, information about different flue systems are given. The
mounting instructions for correct installation of the flue systems are
included in the packaging of the flue parts as well as flue cutting
instructions where needed.
DANGER
Flue duct must incline 3° away from the unit, to allow the
condensate to drain back to the boiler and out of the
condensate drain. If the flue has an internal fall then please
follow instructions delivered with the flue parts.
INFORMATION
In the UK,
only C13 and C33 flue types are allowed.
NOTICE
Optional parts shown in rectangular area are used where
needed.
Type C13x (concentric flue system)
The boiler draws combustion air from outside via a concentric
coaxial pipe fitted to the external wall and expels flue gas to the
outside via the external wall.
a
b
c
d
e
L
f
a
Wall terminal kit 60/100
Optional:
b
90° elbow 60/100
c
45° elbow 60/100
d
30° elbow 60/100
e
Inspection elbow 60/100
f
Extension 60/100
L = 500-1000 mm
Allowable flue length for C13x
Concentric 60/100 mm
(a)
7.0 m
Concentric 80/125 mm
(a)
33.6 m
Summary of Contents for D2CND028A1AB
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