13
Figure 2.15
Hermetic vertical Split-Flue
connection.
Figure 2.13
Hermetic concentric and vertical
Split-Flue connection.
Figure 2.14
Vertical Type Hermetic
Use with Split-Flue Set
Figure 2.16
Connection of hermetic split-flue
and building chimney
Figure 2.17
Chimney use with split-flue
set
C
53
C
53
C
83
C
Discharge with Concentric
Flue Connection
Discharge to Building Chimney
with Split-Flue Connection
and Fresh Air Intake
Exhaust Gas Discharge from Building
Chimney with Split-Flue Kits and
Fresh Air Intake From The Outside
Exhaust Gas Discharge from Building
Chimney with Split-Flue Sets and
Fresh Air Intake From The Inside
Exhaust Gas Discharge and
Fresh Air Intake with Concentric
Flue Sets and Split Flue Sets
Caution:
Terminals should not be mounted against
building walls for supply of combustion air of C5
type sealed boilers with combustion chambers and
discharge of combustion products.
Caution:
In use of C13 type chimney, a 90°
cantilever gas directing set must be installed on
the cage end.
Caution:
In case of using C33 type Split-Flue Set (for
horizontal and vertical types), the distance
between the exhaust gas outlet and the clean air
intake should be minimum 50cm, maximum 100cm.
For C6 type sealed boilers with combustion chamber
a) for chimney, overheating combustion products temp.: <105 °C
b) CO
2
content in nominal operating conditions; 9.00% (tolerance
+ 0.5% / -0.5%)
c) difference of the maximum permissible draught and the
maximum permissible pressure between combustion air inlet and
chimney gas outlet (including wind pressures): 120 Pa.
d) characteristics and applications of the duct system to which the
boiler can be connected;
1) Condensation water isn’t allowed to flow into device.
2) maximum permissible temperature of the combustion air; 40°C
3) maximum permissible recirculation rate in wind conditions is 10%.
Caution: Terminals should not be mounted against building walls for
supply of combustion air and discharge of combustion products.
For C8 type sealed boilers with combustion
chamber;
a) overheating combustion products temp.:
<105 °C
b) CO
2
content; 9.00% (tol0.5%/-0.5%)
c) Chimney characteristics to which the boiler
can be connected depend on Figure 2.15.
d) Condensation water isn’t allowed to flow
into device.
Exhaust Gas Discharge Fresh Air
Intake with Split Flue Sets
Air
Waste Gas
B
2
3
Figure 2.12
Hermetic (concentric
)
and
Chimney (Split-Flue type)
2.7.1. Environmental Distances of Chimney Outlet Connections
See Figure 16 for positioning the outlet pipe of chimney set. The
chimney must be mounted in accordance with national and local
regulations.
Any part of the outlet pipe should not be blocked and should not
interfere with other connections. If the outlet pipe is passing 1000 mm
near a plastic or painted conduit or 500 mm near the painted eaves, an
aluminium guard of at least 1000 mm in length should be placed under
the conduit or eaves. The outlet pipe should be at least 2 m above the
surface that people can reach. In some weather conditions, the outlet
pipe may emit water vapor; so it should not be mounted in places
where this vapor may cause irritation.
It should be ensured that combustion products (waste gas) do not
enter the roof ventilation openings. The boiler chimney system can be
installed inside the room without the need to intervene on the outside
wall. To do this, especially in thick walls, a bed must be used in the wall
for lining the inner surface of the duct, through which the outlet pipe
passes through the wall.
C
13
C
33
C
33
Содержание VIWA 115
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