11
4.2 Positioning options
The boiler is equipped with the movable mains supply and plug. Boiler according to EN 60 335–1
ed. 2 Art. 7.12.4 must be positioned in such a way that the plug is accessible.
Boiler positioning with regard to fire regulations:
11. Positioning on the floor made of incombustible material
−
put the boiler on a fireproof and heat-insulating pad exceeding the boiler plan by 20 mm on the sides;
−
In case the boiler is installed in a cellar it should be put on a minimum 50 mm high substructure. The
boiler must stand horizontally and possible unevenness of the substructure is eliminated by means of
adjusting screw of the engine bed
Tab. no. 6 Combustibility grade of building materials and products
Combustibility grade of
building materials and
products
Building materials and products ranked in combustibility grade
(EN 13 501-1 selection)
A
– incombustible
Granite, sandstone, concrete, bricks, ceramic tiles, mortars, fireproof
plasters,....
B
– combustible with difficulty Acumin, izumin, heraklit, lignos, boards and basalt wools, fiberglass boards,...
C
1
– hardly combustible
Beech and oak wood, hobrex boards, plywood, werzalit, formica, sirkolit,...
C
2
– medium combustible
Pinewood, larch, whitewood, chipboard and cork boards, rubber flooring,.
C
3
– easily combustible
asphalt boards, fireboards, cellulous materials, polyurethane, polystyrene,
polyethylene, PVC,....
2. Safety distance from the combustible materials
−
When installing and operating the boiler it is necessary to keep a safety distance 200 mm from
combustible materials with combustibility grade B, C
1
and C
2
(
Č
SN 06 1008);
−
For easily
combustible
materials with combustibility grade C
3
, which burn quickly and by themselves also
after the ignition source removal (e.g. paper, millboard, stiff paper, asphalt and tar boards, wood and
fireboards, plastics and flooring materials) the safety distance is doubled, it means to 400 mm;
−
The safety distance must be doubled also in case the combustibility grade of building material wasn’t
proved.
Boiler positioning with regard to the necessary handling space:
•
basic environment AA5/AB5 according to
Č
SN 33 2000-3;
•
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 screwremoval;
•
minimum distance from the side wall is 100 mm;
•
at least 450 mm are left above the boiler.
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 out of the question to store fuel behind the boiler or next to the boiler in the distance shorter than
400 mm;
•
Min. 1 000 mm distance kept between the boiler and fuel is recommended by the manufacturer or the
fuel has to be stored in a room separated from the boiler-room.
The boiler-room must be permanently supplied with the air both for burning and ventilation (
VIADRUS
HERCULES DUO
boiler air consumption is approx. 75 m
3
. h
-1
).
The heating system piping or heater heating element piping must be connected by the qualified person.
WARNING: When connecting the boiler to the heating system the drain tap must be installed at the
lowest point and closest possible to the boiler.
