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La Nordica Norma Classic S Evo Idro DSA Manual

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ENGLISH
ACCESSORIES
POKER GLOVE RING Ø 100 mm air tting
SERIES SERIES SERIES
Room heating takes place:
a) by radiation: the heat is radiated into the environment through the panoramic window and the hot external surfaces of the thermo-
replace;
b) by conduction: radiators or heat convectors of the centralised system fed by hot water produced by the boiler. (See chapter
CALCULATION OF THE THERMAL POWER).
The device is equipped with registers for primary and secondary air and a thermostat with which the combustion air is regulated.
1A - PRIMARY Air Register / AUTOMATIC Thermostat (Picture 6)
The thermostat has the task of automatically increasing or decreasing combustion.
Dependent on the position chosen, the thermostat will act on the valve which regulates the intake of air into the furnace, placed on the
back of the cooker. Turn it in a clockwise direction from 0 to 5 to make up the re and in an anti-clockwise direction to reduce combustion.
As this is an extremely precise device, it is advisable to turn it carefully and never force the knob.
2A- SECONDARY air register (Picture 6).
Below the hearth door, on the right front side there is the secondary air register.
The secondary air, passing through the two lateral jambs of the front side, heats itself starting the double combustion and keeping at the
same time the glass clean ( with open register). When the bar is pushed to the back the passage of the secondary is completely open. For
a better comfort and corresponding oxygenation of environment, the air can be directly withdrawn at the outside. In order to do that, the
stove can be connected to the external air socket by an junction Ø 100 mm (see Chap. AIR FLOW IN THE PLACE OF INSTALLATION).
The register regulation necessary in order to obtain nominal caloric output is the following (see Cap. NORMAL OPERATION):
Hourly consumption in kg/h PRIMARY air SECONDARY air TERTIARY air
4,8 Position 0 OPENED Pre-adjusted
To ignite the ame follow the instructions below (see Cap. IGNITION) :
• Open the buttery valve placed on the ue gas exhaust pipe must also be opened.
• Position the thermostat knob on position 5 (maximum opening).
• After having started the re with small pieces of wood and waited until it is well lit, adjust the thermostat to the positions corresponding
to the desired heat (0÷5).
• Close the buttery valve placed on the ue gas exhaust pipe must also be opened.
FLUE
Essential requirements for correct appliance operation:
• the internal section must preferably be circular;
• the appliance must be thermally insulated and impermeable and built with suitable materials which are resistant to heat,
combustion products and any condensation;
• there must be no narrowing and vertical passages with deviations must not be greater than 45°;
• if already used, it must be clean;
• all the sections of the ue gas duct must be accessible to inspection;
• inspection openings must be provided for cleaning.
• the technical data from the instruction manual must be respected;
If the ues are of a square or rectangular section, the internal edges must be rounded with a radius of not less than 20 mm.
For the rectangular section, the maximum ratio between the sides must be ≤ 1.5.
A section which is too small causes a reduction in draught. A minimum height of 4 m is advisable.
The following materials are FORBIDDEN and compromise the good operation of the appliance: asbestos cement, galvanised steel, rough and
porous internal surfaces. Picture 1 shows some example solutions.
For a correct installation please respect the sections/lengths of the ue shown in the technical data table. By installations
with dierent dimensions the ue must be suitably sized in accordance with EN13384-1.
The draught created by your ue must be sucient but not excessive.
A section of the ue which is too large can present a volume which is too large to heat and therefore cause operating diculties for the
appliance; to avoid this, it is necessary to intubate the appliance for its entire height. A section which is too small causes a reduction in draught.
ATTENTION: as far as concern the realisation of the ue connection and ammable materials please follow the requirements
provided by UNI 10683 standard. The ue must be at a suitably distance from ammable or combustible material using
suitable insulation or an air space.
It is FORBIDDEN to pass system piping or air ducts inside the ue. It is also forbidden to create moveable or xed openings on
the ue itself, for the connection of further dierent appliances (See chapter CONNECTING A FIREPLACE OR OPEN HEARTH TO THE
FLUE).
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