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2.4.5. Installation with Vertical Flue Sets (Ø 60/100 mm)
Your combi can also be vertically connected to flat and aslope roofs via
available connection accessories depending on the status of installation
place. For flat connections (Ø 60/100mm) vertical flue set should not exceed
11 m.
2.4.6. Twin Flue Kits Ø 80/80 (Hermetic) Flue
Type Use
This kit allows air to come in from outside the
building and the fumes to exit from the chimney
or flue through divided flue exhaust and air intake
pipes. Combustion products are expelled from
pipe (F) (in plastic, so as to resist acid condensate).
Air is taken in through duct (A) for combustion
(this is also in plastic). Extensions for separator
kit Ø 80/80. The maximum vertical straight length
(without bends) that can be used for Ø 80 intake
and exhaust pipes is 36 metres, regardless from
whether they are used for intake or exhaust. The
maximum horizontal straight length (with bend in
suction and in exhaust) that can be used for Ø 80
intake and exhaust pipes is 30 metres, regardless
from whether they are used for intake or exhaust.
Figure 41
Vertical flue set installation application
Figure 42
Hermetic flue type installation sample
Implementation
L1
=0.3 m.
L2
=0.5 m. (45° bend equivalent length)
L3
=2.0 m.
L4
=0.5 m. (45° bend equivalent length)
L5
=1.0 m.
L6
=1.5 m.
L Total
=6.3 m.
6.3 m. < Lmax = 11 m.
Correct in implementation.
Implementation
L1
=0.5 m.
L2
=1.0 m. (90° bend equivalent length)
L3
=1.5 m.
L4
=1.0 m. (90° bend equivalent length)
L5
=1.5 m.
L6
=0.5 m.
L7
=1.0 m. (90° bend equivalent length)
L8
=0.5 m.
L9
=0.5 m. (45° bend equivalent length)
L10
=1.5 m.
L11
=1.0 m. (90° bend equivalent length)
L12
=1.5 m.
L Total
=12 m.
12 m. < Lmax = 30 m.
Correct in implementation.
Figure 40
Vertical flue set installation
ATTENTION!
For C3 boilers the terminal
outlets from separete
combustion and air supply circuits
shall fit inside a square of 50 cm
and that the distance between the
planes of the two orifices shall be
less than 50 cm.
ATTENTION!
For C1 boilers the terminal outlet
from separete combustion and air
supply circuits shall fit inside a square of 50
cm for boilers with a heat input up to 70 kW.
A
Ø60
/100 mm
= L
ma
x. =
11 m
A
