GB
12
5.9.1. WARM AIR HEATING SYSTEMS
For fireplace units that use convection to dissipate heat (wood-burning
stove, tile oven, etc.), observe the following points (see instructions, „5.8.
Connection piece“ on page 11)
• Please refer to the Technical Data (page 15 onwards) for the air inlet
and air outlet opening cross-sections. Different cross-sections are pos-
sible if arithmetical proof is provided.
• It must not be possible to close the air inlet and air outlet openings
more than 50%.
• All four pipe connections must be occupied if using the convection air
housing. It must not be possible to close up the air inlet and air outlet
openings.
• The air ducts may not be made of combustible, dimensionally stable
construction material
• Do not place any combustible construction materials or objects such as
wood ceilings or built-in furniture within an area of 30 cm next to and
50 cm above the warm air outlet grids.
5.9.2 CLOSED FIREPLACE UNITS
For fireplace units that are intended to dissipate heat via the outer fireplace
facing (masonry heater, hypocaustic system, systems with closing convec-
tion air openings, etc.), and therefore dissipate heat into the room via the
facing, it is essential to observe the following points:
• The fireplace unit must be dimensioned and built according to the
relevant, professional tile fireplace and ventilation engineer guidelines
(new: TR-OL 2006).
• We recommend using sufficient storage material (e.g. Magnetherm) to
optimally use the heat and avoid the risk of overheating in temperature
spikes.
• The size of the oven, i.e. the size of the heat dissipating surface, should
be determined depending on the heat output and heat requirement.
• The facing elements must be selected to meet the higher standards.
• The builder should provide written instructions on the special type/
means of operation to the operator if possible. The quantity of wood
used has to correspond to the heat dissipation of the surface or the
storage capacity of the storage medium, for example (in general, stoke
no more than 2 – 3/day).
• We recommend protecting installation surfaces made of combustible
construction materials with active rear ventilation in addition to the
thermal insulation specified.
• The insulation thicknesses listed on page 11 apply to warm air heating
systems only. For closed fireplace units, the insulation thicknesses have
to be calculated as per TR-OL.
• For liftable combustion chamber doors, the temperature on the reverse
or guiding rollers and the bearings must not exceed 270 °C. And areas
of the insert that have movable mechanical parts require separate
insulation.
• When installing accessory parts, observe their installation specifica-
tion, especially the permissible operating or ambient temperatures and
accessibility requirements, if any.
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