La Nordica Stefany Forno натуральный камень [21/52] Lighting
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La Nordica Stefany Forno натуральный камень [21/52] Lighting

La Nordica Stefany Forno натуральный камень [21/52] Lighting
STEFANY FORNO BII - SVEZIA NEW BII - NORVEGIA NEW BII
7193400 - IT - EN - DE - FR 21
9. ALLOWED / NOT ALLOWED FUELS
Allowed fuels are logs. Use exclusively dry logs (max. content of water 20%). Maximum 3 logs should be loaded. The pieces of wood
should have a length of ca. 20-30 cm and a maximum circumference of 30-35 cm.
Compressed not worked-out wood briquettes must be used carefully to avoid overheating that may damage the device, since
these have a very high caloric value.
The wood used as fuel must have a humidity content lower than the 20% and must be stored in a dry place. Humid wood tends to burn
less easily, since it is necessary a greater quantity of energy to let the existing water evaporate. Moreover, humid content involves
the disadvantage that, when temperature decreases, the water condensates earlier in the hearth and therefore in the stack causing a
remarkable deposit of soot with following possible risk of re of the same.
Fresh wood contains about 60% of H
2
O, therefore it is not suitable to be burnt.
It is necessary to place this wood in a dry and ventilated place (for example under a roong) for at least two years before using it.
Besides others, it is not possible to burn: carbon, cuttings, waste of bark and panels, humid wood or wood treated with paints,
plastic materials; in this case, the warranty on the device becomes void.
Paper and cardboard must be used only to light the re.
The combustion of waste is FORBIDDEN and would even damage the appliance and the ue, causing health damages and claims by
the neighborhood owing to the bad smell. The wood is not a fuel which allows a continuous operation of the appliance, as consequence
the heating all over the night is not possible.
Variety kg/mc kWh/kg moistness 20%
Beech
750 4,0
Oak
900 4,2
Elm
640 4,1
Poplar
470 4,1
Larch*
660 4,4
Spruce*
450 4,5
Scots pine *
550 4,4
* RESINOUS WOOD NOT SUITABLE FOR THE BURNING
ATTENTION : the continuous and protracted use of aromatic wood (eucalyptus, myrtle etc.) quickly damages the cast iron parts
(cleavage) of the product.
10. LIGHTING
WARNING: After the rst ignition you can smell bad odours (owing to the drying of the glue used in the garnitures or of the paint) which
disappear after a brief using of the appliance. It must be ensured, in any case, a good ventilation of the environment. Upon the
rst ignition we suggest loading a reduced quantity of fuel and slightly increasing the caloric value of the equipment
To perform a correct rst lighting of the products treated with paints for high temperature, it is necessary to know the following information:
• the construction materials of the involved products are not homogeneous, in fact there are simultaneously parts in cast iron, steel,
refractory material and majolica;
• the temperature to which the body of the product is subject is not homogeneous: from area to area, variable temperatures within
the range of 300°C - 500°C are detected;
• during its life, the product is subject to alternated lighting and extinguishing cycles in the same day, as well as to cycles of intense
use or of absolute standstill when season changes;
• the new appliance, before being considered seasoned has to be subject to many start cycles to allow all materials and paints to
complete the various elastic stresses;
• in detail, initially it is possible to remark the emission of smells typical of metals subject to great thermal stress, as well as of wet
paint. This paint, although during the manufacture it is backed at 250 °C for some hours, must exceed many times and for a given
period of time the temperature of 350 °C before becoming completely embedded in the metallic surfaces.
Therefore, it is extremely relevant to take these easy steps during the lighting:
1. Make sure that a strong air change is assured in the room where the appliance is installed.
2. During the rst starts, do not load excessively the combustion chamber (about half the quantity indicated in the instructions manual)
and keep the product continuously ON for at least 6-10 hours with the registers less open than the value indicated in the instructions
manual.
3. Repeat this operation for at least 4-5 or more times, according to your possibilities.
4. Then load more and more fuel (following in any case the provisions contained in the installation booklet concerning maximum load)
and, if possible, keep the lighting periods long avoiding, at least in this initial phase, short ON/OFF cycles.
5. During the rst starts, no object should be leaned on the appliance and in detail on enameled surfaces. Enameled surfaces
must not be touched during heating.
6. Once the «break-in» has been completed, it is possible to use the product as the motor of a car, avoiding abrupt heating with
excessive loads.

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