Windhager FireWIN - 2.5 Operating modes

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2. For the Installer
2.6 Minimum service clearances for fire protection, cleaning
and maintenance
The following minimum service clearances from flammable materials and for connections, cleaning and main-
tenance must be complied with.
Fig. 5 Tested masonry feed-throughs for exhaust pipe
Attention!
The configuration of the entire system must comply with technical fire protection requirements in
accordance with the applicable regulations, standards and guidelines.
Multi-layer flammable wall Multi-layer flammable wall Non-flammable wall
Multi-layer flammable wall
There must be a gap of 200 mm from flammable
components all round the exhaust pipe.
B
C
A C A C A C A C
B
A
Fig. 6 Tested masonry feed-throughs for exhaust pipe
All dimensions in mm:
1 ...........Concrete fill
2 ...........Lining pipe
3 ...........Cavity fill with non-flammable material
(e.g. rock wool)
4 ...........Non-flammable cover
5 ...........Exhaust pipe insulation 20 mm
techn. data of insulation:
– Mineral wool insulation
– Melting point: > 1000 °C
– Thermal conductivity: < 0.04 W/mK
– Minimum thickness: 20 mm
6 ...........Multi-layer flammable wall
7 ...........Flue
2.6.1 Masonry feed-throughs for the exhaust pipe
Examples of masonry feed-throughs tested by the IBS – Institut für Brandschutztechnik und Sicherheitsfor-
schung (Institute for Fire Protection Technology and Safety Research)