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Connection of appliance to chimney vent must always be done with agreement of the
appropri-ate chimney authority. Chimney vent must create sufficient draught and
reliably exhaust flue into atmosphere under all practically possible conditions. Correct
dize of the chimney vent en-sures correct boiler function. Chimney draught directly
depends on its diameter, height and roughness of its internal wall. Chimney vent must
be sufficiently insulated to prevent creation of condensate. Temperature of the area of 1
m under the chimney collar cannot be lower than 60°C. Any other appliance cannot
be connected to the chimney joined with the boiler. Diameter of chimney cannot be
smaller than boiler outlet. Chimney draught must achieve prescribed val-ues. However, it
cannot be too high, not to decrease boiler efficiency and not affect the combus-tion (not
to disturb the flame). In case of too strong draught i tis necessary to install
throttling flap between boiler and chimney.
• Information values of chimney diameter
• 20×20 cm
∅ 20 cm
•
• 15×15 cm
• ∅ 16 cm
Exact chimney dimension is determined by the STN 73 42 10. Prescribed chimney
•
draught is giv-en in the Technical parameters.
Examples of division of constructive materials by the grade of flammability:
•grade of flammability A – inflammable (brick, block, ceramic tiles, mortar, plaster)
•grade of flammability B – very difficult to ignite (heraclith, lignos, boards from bazart felt)
•grade of flammability C1 – hard flammable (beech, oak, plywood, wersalit, hardened
paper)
•grade of flammability C2 – medium flammable (pine, spruce chipboard, solodur)
•grade of flammability C3 – lightly flammable (boards from wood fibres, polyurethane,
PVC, foam rubber, polystyrene)
If boiler stands on the floor from flammable materials, it must be protected by inflammable
heat insulating pad, excessing boiler edge for 150 mm at least. It is possible to use
materials of the flammable grade A as inflammable and heat insulating mate-rials. Any
items from flammable materials cannot be placed on the boiler and in distance shorter
than 500 mm.
When placing boiler in the boiler room, there should be free space left of at least 1
m beyond and 0,5 m from the sides and rear part of boiler. Above the boiler, there should
be free space of at least 1 m. This space is necessary for ordinary operation,
maintenance and eventual boiler servicing..
ATTENTION: It is inadmissible to place the ATTACK PELLET 30 AUTOMATIC
Plus boiler in dwelling premises (including corridors)!
Air inlet
For correct boiler operation, it is necessary to ensure sufficient air supply for
combustion. Mini-mum area of the air inlet is 200 cm2.
Boiler connection into heating system
min. height
7 m
min. height
8 m
min. height
11 m
min. height
12 m
8
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