Hearth with flue gas blower to DIN 18897-1 (type FX
42X
) for connection to a pressure-equal air/flue
gas system
Examples of models:
Air/flue system with parallel sup-
ply air/flue layout
Air/flue system with concentric supply air/
flue layout
1 ...........Pellet boiler
2 ...........Combustion air line (Air intake)
3 ...........Connecting piece (Flue gases)
4 ...........Air/flue gas system
Detail X, Y
Opening (shaft head in ac-
cordance with DIN V 18160-1)
Dh ........flue gas diameter
HÜ .......spacing of opening
hA ........spacing of dispersion plate
e ........... protrusion of dispersion plate
5 ...........Flue gases
6 ...........Combustion air (Air intake)
Fig. 3 Sketch of ventilation draught in flue
Requirements:
H
Ü
≥ 2 x D
h
h
A
= min. 10 cm
e= 0 cm to 8 cm
Requirements:
H
Ü
≥ D
h
h
A
= min. 10 cm
e= 0 cm to 8 cm