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BeF Home Passive - HOT AIR FIREPLACE INSERTS Manual

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Firma: BeF Home, s.r.o. Strana 5 (celkem 9) Platí od: 1. 4. 2014
Vydání: 4
Required brick veneer and thermal insulation:
Minimal thermal insulation of protected building panels was defined during the test of fireplace insert in accordance with EN 13229. During
the test the thermal insulation made of cellular calcium-silicate slabs was used ρ = 250kg/m3 . It is necessary to use this kind of material in the
prescribed minimal thickness. Other insulation materials must be of the same or lower thermal conductivity and a comparable thermal
resistance! - Brick veneer: a 10 cm thick mineral brick veneer must be made exactly on the protected building wall (back wall, where
appropriate side wall). The brick veneer must abut onto the insulation layer and on the protected building side. It must over-lap the connecting
piece (venting) upwards by at least 20 cm. The insulation brick veneer is not necessary when the building wall is 10 cm thick at least and is not
made of combustible material and it is not a long bearing reinforced concrete wall. - Ceiling of the room above the insert (brick veneer
replacement): if the open space or the coating above the insert reach the room ceiling, it is necessary to protect the ceiling when it is made of
combustible material or it serves as a carrying element. The protection consists of a 6 cm (better is 10 cm) thick thermal insulation layer
(insulation material index: 12.07.21.75.11 according to AGI Q 132). It is recommended to take this preventive measure as a base intermediate
floor (e.g. made of sheet-metal) with the insulation material situated above it. If there is a gap between the ceiling and the insulation, there
must be diagonal venting for the gap (2x grilles min 50cm2.
These preventive requirements have been set:
Brick veneer
Back wall
100 mm
Side wall
100 mm
Brick veneer replacement, insulation acc. to AGI
Q 132
Ceiling in the surround
60 mm
Thermal insulation layer
floor
30 /30 mm*
Side wall adjacent to the wall
120 mm
Back wall
120 mm
Side wall non contiguous to the wall
40 mm
Convection air ceiling
100 mm
Min. distances of the fireplace insert from the
inner side of the insulation
Back wall
150 mm
Side wall
40 mm
Distance of the bottom of the hearth from
the floor
100 mm
Distance of the top part of the fireplace
from the ceiling
500mm
**floor 30 mm, + 30 mm of insulation under the fireplace insert /mind the air inlet/
Thermal insulation: convection coating and convection access plate (outer contour of the facility) need to be coated from all sides by the
thermal insulation layer. The thermal insulation must be without joints and must overlap each other on the sides. If these insulating boards are
not fixed on walls, on coating or on abutting boards, it is necessary to fix them about 30 cm apart. The coating inwards the room (aperture)
does not need to be insulated when the insert is designed in such a way that the coating surface and the surface on the wood storing chamber
could reach a maximum temperature of 85 ºC. For surfaces made of mineral construction material, except for the areas where objects could be
detached, the maximum temperature is 120 ºC. Thermal insulation layers made of rock wool or comparable material must be thoroughly
coated from the room side and convection air area as a protection against fibre fraying.
If the connecting piece is passing through building elements of combustible materials (for example protecting walls), it is necessary to take
measurements in accordance with national technical standards and regulations acc. To ČSN 06 1008.
Permitted thermal insulation materiál and materiál for brick veneers (minimal requirements)
Thermal insulation: cellular calcium-silicate slabs ρ = 250kg/m3, mineral wool boards, ceramics fibre boards.
Brick veneer and surround: Liapor, bricks, concrete, no-fines concrete, stone.
Alternate brick veneers and thermal insulation material: must be authorized. They must also fulfil every requirement for thermal
insulation and surrounds. Further information about these construction materials can be obtained in specialized stores.
Fireplace insert connection:
After insulation the fireplace insert can be connected by the connecting piece to the chimney. The fireplace insert is connected with the help of
the smoke flue made of sheet metal with the max. length of 1.5 m. the smoke flue must be provided with the safety pin to protect it against
sliding. When the connecting piece goes through parts with combustion materials (e.g. protective walls), it is necessary to keep instructions in
compliance with national technical standards and regulations according to ČSN 06 1008.
It is not allowed to put any other attachment which is not approvedby the manufacturer into the chimney connestion.
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