Instructions for the installer
C =
53 Two ducts connected to the corresponding air intake
and fume discharge terminals in different pressure
zones.
C =
63 Air intake and fume discharge ducts and/or terminals
are not delivered by the manufacturers and supplied
with their own certificates.
C =
83 Ducts to be connected to a terminal and independent
or shared flue by means an adapter.
Note: The terminal for the supply of combustion air
and for the evacuation of combustion products shall
not be installed on opposite walls of the building.
Note: The boiler shall only be installed with a terminal
that complies with the requirements of EN 1856-1
(see Annex N).
20
4.5.1 FLUE APPLIANCE TYPES
B =
23
The combustion
air is intaken directly from the room where the
boiler is installed.
Smoke evacuation duct connected to outside from
room where the boiler is installed.
C =
13 Concentric and closely placed ducts connected to
a horizontal terminal for fresh air intake and fume
discharge.
C =
33 Concentric and closely placed ducts connected to
a vertical terminal for fresh air intake and fume
discharge.
C =
43 Two connecting ducts and two collecting flue ;
one for fresh air intake and other one is for fume
discharge.
Terminal position
Minimum spacing:
A
Directly below, above or alongside an opening window, air vent or other ventilation opening
300 mm
B
Below guttering, drain pipes or soil pipes
200 mm
C
Below eaves
200 mm
D
Below balconies or a car port roof Not recommended!
200 mm
E
From vertical drain pipes or soil pipes
150 mm
F
From internal or external corners
300 mm
G
Above adjacent ground, roof or balcony level
300 mm
H
From a surface facing the terminal
600 mm
I
From a terminal facing a terminal
1200 mm
J
From an opening in a car port (e.g. door or window) into dwelling. Not recommended!
1200 mm
K
Vertically from a terminal on the same wall
1500 mm
L
Horizontally from a terminal on the wall
300 mm
M
Adjacent to opening
300 mm
N
Above intersection with roof
300 mm
O
From a vertical structure on the roof
500 mm
A
F
M
G
M
B,C
F
F
B,C
K
G
K
K
G
C
L
L
A
N
N
O
E
F
J
K
G
D
H, I
Sitting the flue terminals
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