12
Tab.
№
. 7
Fire reaction class
Fire reaction class
Examples of building materials and products classified to the fire reaction class
(a choice from EN 13501-1+A1)
A1 – incombustible
granite, sandstone, concrete, bricks, ceramic tiles, mortars, fire plasters, ...
A2 – combustible with difficulty acumin, izumin, heraklith, lignos, boards and basalt felt, fibreglass boards, ...
B – hardly combustible
beech and oak wood, hobrex boards, plywood, werzalit, gypsum plasterboard , sirkolit,...
C (D) – medium combustible
pinewood, larch, whitewood, chipboard and cork boards, rubber flooring,...
E (F) – easily combustible
asphalt board, fibreboards, cellulose materials, polyurethane, polystyrene,polyethylene,
PVC,…
Boiler positioning with regard to the necessary handling space:
•
basic environment AA5/AB5 according to
Č
SN 33 2000-1 ed. 2;
•
min. 1000 mm handling space must be left in front of the boiler;
•
minimum distance between the boiler rear side and wall is 400 mm;
•
a gap min. 1000 mm is left on the side of fuel reservoir in case of feed screw removal;
•
minimum distance from the side wall is 100 mm;
•
at least 450 mm are left above the boiler.
The boiler positioning with regard to electrical network (mains):
•
The boiler must be placed in such a way that the plug in socket (230V/50Hz) is always accessible.
Placing of fuel:
•
dry fuel has to be used in order to ensure its proper burning in the boiler. Fuel stored in cellar or at least
sheltered is recommended by the manufacturer;
•
it is prohibited to store the fuel behind the boiler or next to the boiler in the distance shorter than 400 mm;
•
the manufacturer recommends to keep the distance between the boiler and the fuel min. 1000 mm or store the
fuel in a different room than the boiler is installed.
Continuous air supply for burning and eventual ventilation must be provided into the room where the boiler is
installed (the air consumption of the boiler VIADRUS A3W is about 75 m
3
. h
-1
). Connection of the heating system
piping or the heating element heater piping must be performed by authorized personnel.
CAUTION:
When connecting the boiler to the heating system, drain tap must be placed at the lowest
point and as close to the boiler as possible.
Fig.
№
. 5
The boiler positioning in boiler room
