Viessmann Vitodens 200 Technical Manual page 133

Special designs: open flue operation and installation in the living space with combustion air supply
via interconnected rooms (rated output x 35 kW)
A
C B
Flue gas routing for several Vitodens 300 (from 49 kW) overpressure
A
B
C
Flue gas routing for several Vitodens 300 (from 49 kW) underpressure
A
B
C
VITODENS
D
E
4.1 Flue gas systems
Routing through a duct
or
Connection to a moisture-resistant
chimney
(type B , according to TRGI '86/96)
33
The heat generator draws combustion air
from the installation location via a coaxial
pipe with ventilation apertures upstream
of the duct inlet and routes the flue gas
either via a flue pipe or via a
A Flue gas moisture-resistant chimney through the
B Ventilation roof (combustion air in connection with
air ambient air according to TRGI).
C Secondary For a detailed description, see page 158.
ventilation
D Door
E Air
connection
Type B , according to TRGI '86/96
23
Several heat generators inside the same
room draw combustion air from the
atmosphere via ventilation apertures and
route the flue gas through a common flue
pipe to the atmosphere via the roof.
For a detailed description, see page 160.
A Flue gas
B Secondary
ventilation
C Ventilation
air
Type B , according to TRGI '86/96
23
Several heat generators inside the same
room draw combustion air from the
atmosphere via ventilation apertures and
route the flue gas through a common flue
pipe to the atmosphere via the roof.
For a detailed description, see page 164.
A Flue gas
B Secondary
ventilation
C Ventilation
air
4
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