Bellfires Tunnel 3, Instructions For Use & Manual Daily Maintenance, Page: 35 / 112

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English
Installation instructions
1.5.1.2. Positioning the outlet to avoid affecting the surrounding area
All listed “distances” in this section are no more than
guidelines.
For the exact minimum “distances”, please consult your
national and local directives.
“Distance” = minimum distance required for positioning of the outlet to avoid
adverse effects with respect to:
A. A ventilation opening serving an occupied room, a toilet or a bathroom.
B. A heating air supply, when the supply ! ows through an occupied room.
C. A window that can be opened and that is near an occupied room, a toilet
or a bathroom.
Roof-mounted outlet:
To avoid adverse effects Distance: outlet - A, B or C
At the same roof level. >3 m (*)
At a different roof level. >1 m (*)
At a lower positioned wall. >1 m
At a higher sloping surface. >3 m (**)
(*) If the required distance cannot be achieved, the outlet position rules take
precedence.
(**) If the required distance cannot be achieved, the position of the outlet must
be at least 1 m above the highest facade/roof.