Viessmann vitodens Technical Manual page 105

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
4.1 Flue gas systems
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 128.
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 132.
A Flue gas
B Secondary
ventilation
C Ventilation
air
4
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