Viessmann WB1A007 Technical Guide

A
Flue gas
B
Secondary ventilation
C
Ventilation air
Connection to a moisture-resistant chimney (MR chimney)
(Type B
23
, to CEN/TR 1749)
The boiler draws combustion air from the installation room and
expels flue gas through the roof in the moisture-resistant chimney.
For a detailed description, see page 41.
Special version: Open flue operation and installation location in the living space with combustion air
supply via interconnected rooms (rated heating output ≤ 35 kW)
A
Flue gas
B
Ventilation air
C
Secondary ventilation
D
Door
E
Interconnected air supply
Routing through a shaft
or
Connection to a moisture-resistant chimney
(Type B
33
, to CEN/TR 1749)
The boiler draws combustion air from the living space through a
coaxial pipe with ventilation air apertures upstream of the shaft inlet,
and expels flue gas either through a flue or a moisture-resistant
chimney in the roof (combustion air supply via interconnected rooms
in accordance with TRGI).
For a detailed description, see page 40.
Flue gas header for several Vitodens 100-W, 200-W, 222-W, 222-F and 242-F – positive pressure
A
Flue gas
B
Secondary ventilation
C
Ventilation air
Type B
23
, to CEN/TR 1749
Several boilers in the same room draw combustion air from the out-
side through vents and expel flue gas to the outside through a com-
mon flue pipe in the roof.
For a detailed description, see page 42.
Flue systems
(cont.)
VITODENS, VITOSOLAR
VIESMANN
11
5414641
1

Viessmann WB1A007 Specifications

General

Brand	Viessmann
Model	WB1A007
Category	Boiler
Language	English