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Flue Syste
m
29
WARNING
Im
proper flue of the boiler can result in excessive levels of
carbon
m
onoxide, which can lead to severe personal injury.
Flue should be perfor
m
ed only by a licensed professional.
No specific ventilation is re
q
uired in the roo
m
the boiler is
installed in.
I
f it is installed in a cupboard or co
m
part
m
ent, no
specific ventilation is re
q
uired, providing the afore
m
entioned
di
m
ensions are observed. The re
q
uire
m
ents and
reco
mm
endations stipulated in the Regulation for Heating
I
nstallations in Buildings (R
I
TE) and any other applicable
legislation in this field
m
ust be observed.
6.1 Flue Terminal Positions
CAUTION
Ɣ
The ter
m
inal
m
ust be fitted with suitable protection if it
is less than 2
m
fro
m
a balcony, on a flat roof or surface
that could be accessed by people.
Ɣ
The wall that the gas re
m
oval and air intake ducts are
fixed to
m
ust not be
m
ade of co
m
bustible or fla
mm
able
m
aterials. The wall that the end of the duct passes
through
m
ust lead to the outside of the ho
m
e. There
m
ust be no hazardous
m
aterials or obstructions near the
duct.
Ɣ
I
f the outlet passes through a wall
m
ade of co
m
bustible
m
aterial the end ter
m
inal
m
ust be covered with at least
20
mm
of inco
m
bustible
m
aterial and
m
ust
m
aintain a
distance of at least
50
mm
fro
m
any fla
mm
able
m
aterial.
Ɣ
The parts connecting the flue outlet
m
ust be correctly
joined using sealing gaskets. Ensure that there are no
leaks fro
m
any part of the re
m
oval circuit.
Ɣ
Switch off the boiler and wait for the pipes to cool down
before cleaning the gas re
m
oval and air intake ducts.
Ɣ
The gas re
m
oval and air intake ducts
m
ust be protected
fro
m
snow accu
m
ulation.
The installation of the flue exhaust and co
m
bustion air
intake syste
m
m
ust be calculated and
m
ade by sufficiently
q
ualified and authorised staff.
O
n designing and
m
ounting the
installation, all national and local regulations, standards and
stipulations applicable at the ti
m
e of installation
m
ust be taken
into account.
The
m
ini
m
u
m
distances between the flue exhaust ter
m
inal and
the building ele
m
ents
m
ust co
m
ply with those shown in the
following table:
G
J
F
H, I
A
A
A
E
B,C
F F
F
B
G
M
G
N
L
K
D
Terminal Position
Minimum
Distance (mm)
A
Fro
m
openings (e.g. doors, windows,
ventilation grilles)
300
B
Under a cornice
200
C
Under a gutter or drainpipes
75
D
Under a balcony or car port roof
200
E
Fro
m
vertical drainpipes
150
F
Fro
m
internal and external corners of
the building
300
G
Fro
m
the ground, roof and balconies
300
H
When no other outlet is installed
600
I
Fro
m
the wall with the pipe to the front
wall
1200
J
Fro
m
openings (e.g. doors, windows)
under the roof
1200
K
Vertically fro
m
a flue
1500
L
Horizontally fro
m
a flue
300
M
Vertical flue clearance (Non
co
m
bustible building
m
aterial)
500
N
Fro
m
a front surface with openings
2000
6. Flue System
Summary of Contents for NCB-24LDWE
Page 65: ...Appendices 65 12 4 Ladder Diagram 3 15A...
Page 69: ...Memo...
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