Nova Florida VELA COMPACT - Air Intake and Flue Gas Discharge System Via 100;60 MM Coaxial Pipes; Pic. 10 - Air Intake and Flue Gas Discharge Coaxial Pipe System (CTFS); Pic. 11 - Dimensions for Connection to Air Intake and Flue Gas Discharge Coaxial Pipe System (CTFS)

2
1
3
.2.6.2.2. Air intake and flue
g
as dischar
g
e system via 100/60 mm coaxial pipes
Type
C
12
M
inimum permissible len
g
th of horizontal coaxial pipes is 1 meter, not countin
g
the very rst elbow connected to the boiler. Maximum
p
ermissible len
g
th of horizontal coaxial pipes is
4
meter, not countin
g
the rst elbow connected to the boiler.
F
or each additional elbow maximum permissible length must be reduced by 1 meter. In addition to that, the duct is to have a 1
%
s
lope toward the exit direction, in order to prevent rainwater enterin
g
it.
C
hoosing the applicable diaphragm supplied with the boiler
(
pic. 10
)
P
ipe len
g
th (m)
F
lue
g
as dischar
g
e diaphra
g
m diameter (mm)
1
≤
L
≤
2
*
Ø
42
,
5
2
≤
L
≤
4
*
N
o
di
ap
h
ragm
*
the

rst elbow
f
rom the boiler is not to be accounted
f
or
P
ipe length
(
m
)
F
lue gas discharge diaphragm diameter
(
mm
)
1 ≤
L
≤
2
Ø
42
,
5
2
≤
L
≤
4
No diaphra
g
m
Type
C
32
M
inimum permissible length
f
or vertical coaxial pipes is 1 meter, equal to the length o
f
the chimney.
M
aximum permissible length
f
or vertical coaxial pipes is
4
meter,
i
nc
l
u
di
ng t
h
e c
hi
mney.
F
or each additional elbow the maximum permissible len
g
th must be reduced by 1 meter.
C
hoosin
g
the applicable diaphra
g
m supplied with the boiler (pic. 10)
T
he above data are referred to air intake
/
flue gas exhaust systems which are implemented by means of smooth, rigid
m
anu
f
acturer approve
d
an
d
supp
li
e
d
p
i
pes.
Pic. 10 - Air intake/flue gas exhaust coaxial pipe system (CTFS)
Pic. 11 - Dimensions for connection to the air intake/flue gas
exhaust coaxial pipe system (CTFS)
S
EAL
NE
O
G
A
S