13
Ventilation openings
The rooms where gas-powered units are operated
must have one or more permanent openings
(windows or doors).
These openings must be arranged in the following
places:
- directly below the ceiling with gases with a density
less than 0.8
- directly above the floor with gases with a density
greater than or equal to 0.8.
The openings must be arranged on exterior walls
in open air. For the size of the cross-section,
the installed heat output is authoritative.
Installation instructions
The minimum height and clearance of the fan-assisted
heater from the walls and floor can be gathered from
the drawing below.
The minimum clearances are the necessary distances
for maintenance. All measurements are given in mm.
The height [2500 mm] corresponds to the minimum
height indicated for "Hanging units" by the
guidelines.
Two different types of brackets are available
for the installation as accessories:
Fixed and pivoting.
The following instructions for installation and set-up
of the units are intended exclusively for authorised
technicians.
All safety notes must be observed without fail.
General information
Normally the units can be installed directly
in the room to be heated.
With the installation of the units, the local and
country-specific regulations (LBO) and combustion
plant order (FeuVO) of the respective state must
be observed.
The first enactment of the (German) Federal
Emission Control Act (1st BlmSchG) and the
statutory provisions of the ordinance governing
small combustion plants (1st BlmSchV) must also
be applied.
The installation of fan-assisted heaters operated
with gas burners is prohibited in the following spaces:
■
In public function rooms or in rooms with
a concentration of people greater than 0.4 per
square metre
■
In rooms where gas or dust can accumulate
through the processing that takes place there or
through the materials stored there, which could
lead to fire or explosion
Installation
So that no dangerously high temperatures are
reached, the distance between the exterior surface
of the unit and flue gas pipe and any accumulated
flammable material must be no less than 1.5 m,
with a ground clearance of 2.5 m or greater.
Units with gas burners for gas with a density greater
than 0.8 (liquid gas, propane, butane) may only
be installed in rooms where the floor does not lie
below ground level. Rooms must have one or more
permanent openings (windows or doors).
200 1000
4002500
NOTE
Ensure sufficient distance between fan and wall
(unhindered air flow).
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