Several Vitodens In The Living Space Or In Living Spaces; Flue System Installation Options For Open Flue Operation; In The Installation Room (Non-Living Space) With One Or More Full Floors Above - Viessmann Vitodens 100-W Technical Manual

Flue systems
(cont.)

Several Vitodens in the living space or in living spaces

1
A Flue gas
B Ventilation air
A
B
A
B
A Flue gas
B Ventilation air

1.8 Flue system installation options for open flue operation

Separate ventilation air aperture 150 cm
a For installation in Austria, observe the relevant safety regulations of the ÖVGW-TR Gas (G1) 1985, ÖVGW-TRF (G2), ÖNORM, ÖVGW,
ÖVE and regional regulations.

In the installation room (non-living space) with one or more full floors above

A Flue gas
B Secondary ventilation
C Ventilation air
VIESMANN
10
2 or 2 × 75 cm 2 cross-section required.
Installation on different floors with a common balanced flue
system
(Type C , to CEN/TR 1749))
14(3)x
Operation with negative pressure:
Balanced flue system required.
Operation with positive pressure:
Balanced flue system for multiple connections.
Several boilers draw combustion air from the outside through the
annular gap of the balanced flue system and expel flue gas to the
outside through a common shaft in the roof.
For a detailed description, see page 31.
Installation on different floors with a common balanced flue
header on the external wall
(Type C , to CEN/TR 1749))
14(3)x
Balanced flue system for multiple connections on the external wall.
Several boilers draw combustion air from the outside through the
annular gap of the balanced flue header and expel flue gas to the
outside through the roof outlet of the balanced flue header.
For a detailed description, see page 31.
Routing through a shaft
(Type B , to CEN/TR 1749)
23
The boiler draws combustion air from the installation room and
expels flue gas through the flue to above the roof (balanced flow).
For a detailed description, see page 35.
VITODENS, VITOSOLAR