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2.5
EXHAUST
The boiler is supplied with a 80 mm gasket,
which must be fitted over the exhaust ter-
minal prior to the flue being installed (11
fig. 6 - fig. 7 - fig. 8) Currently the “casca-
de” fluing option is not available for use
in Australia. Available fluing options are
shown in figs 6,7 and 8..
2.5.1 Type B (fig. 6)
If the inlet is not connected, the boiler
should be regarded a
Type B
device. When
installing the boiler in locations where it
needs to be protected from water, replace
the intake terminal inserted in the flange
with terminal code 8089510.
For information on how to configure the
boiler in this mode see figure 6.
The maximum overall length of ø 80
exhaust flues is determined by the load
losses of the single accessories installed
and should not exceed 16 mmH
2
O
.
The exhaust pipe can be connected to
existing chimneys.
When the boiler works at low temperatu-
re is possible to use normal chimneys at
the following conditions:
– The chimney must not be used by
other boilers.
– The inside of the chimney must be
protected from direct contact with the
boiler condensation. Combustion pro-
ducts must be conveyed with a flexible
piping or rigid plastic pipes with a
diameter of about 100-150 mm provi-
ding so to the condensation siphoned
drainage at the end of the pipe. The
useful height of the siphon must be at
least 150 mm.
2.5.2 Type C (fig. 7 - fig. 8)
The boiler becomes a
Type C
device
when the intake terminal is removed
from the flange and the intake is con-
nected to separate exhaust ducts (fig. 7)
or with coaxial exhaust (fig. 8).
2.5.3 Maximum usable length
for separate ø 80 flues
The maximum overall length of ø 80
suction and exhaust flues is determined
by the load losses of the single acces-
sories installed and should not exceed
16 mmH
2
O.
When the load loss is greater than 10
mmH 2O, set PAR 9 = 8 (see chapter 3.3 to
access to installer’s parameters).
Furthermore, when the load loss are
applied on aspiration conduct it is neces-
sary to perform a check and calibration
of CO2 to the maximum and minimum
power as shown in chapter 4.22
WARNING:
Before installing accessories, lubricate the internal part
of gaskets with silicon-based products. Avoid using oils
and greases.
Type B
Fig. 6
80 mm Accessories
Key Code
Description
Load loss
mm H20
1
8077450A (single)
8077450 (6 pieces)
90° bend
3.0
2a
8077351A (single)
8077351 ( 6 pieces )
1000mm Extension
1.2
2b
8077350A (single)
8077350 (6 pieces)
500mm Extension
0.6
3
8091300
Articulated Tile
4
8091204
Roof terminal(1380mm)
4.3
5
6296513
Extension with test
point(250mm)
0.3
6
8077451A (single)
8077451 (6 pieces)
45° bend
2.0
7
8089501
Exhaust terminal
3.6
8
8091500
Inner/outer wall seal (2
of each)
11
Gasket (supplied with boiler)
B23
min 600
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