Viessmann WB1A007 Technical Guide

In occupied rooms (living space) immediately below the roof or with only the roof space above
A
B
1
2
A
Flue gas
B
Ventilation air
Vertical roof outlet if no shaft is available
(Type C
33x
, to CEN/TR 1749)
(Various options)
1
Direct, vertical roof outlet through a pitched roof
2
Direct, vertical roof outlet through a flat roof
The boiler draws combustion air from the outside and expels flue
gas to the outside via a concentric coaxial pipe to above the roof.
For a detailed description, see page 19.
In the installation room, with ventilation air supplied through the external wall
A
B
A
Flue gas
B
Ventilation air
Separate ventilation air and flue gas routing
(Type C
83x
, to CEN/TR 1749)
The boiler draws combustion air from outside via a separate supply
pipe routed through the external wall, and expels flue gas to the out-
side via a shaft leading through the roof.
The connection piece to the chimney is designed as a coaxial pipe.
This balanced flue system is used if the existing chimney is unsuita-
ble for routing combustion air due to its dimensions or characteristics
(deposits).
For a detailed description, see page 22.
A
B
A
Flue gas
B
Ventilation air
Parallel ventilation air and flue gas routing
(Type C
83
, to CEN/TR 1749)
The boiler draws combustion air from outside via a separate supply
pipe routed through the external wall, and expels flue gas to the out-
side via flue pipe leading through the roof.
Flue systems
(cont.)
VITODENS, VITOSOLAR
VIESMANN
9
5414641
1

Viessmann WB1A007 Specifications

General

Brand	Viessmann
Model	WB1A007
Category	Boiler
Language	English