Beam Protections; Description; Flue - LA NORDICA MONOBLOCCO 1000 EVO Manuel Utilisateur

BEAM PROTECTIONs

Considering the irradiation of the hearth, it is necessary to be particularly careful in protecting the beams while designing your stack. Consider
the proximity of beams to the external surfaces of the hearth, on one side, and the irradiation of the glass door, usually very close to the beams,
on the other side. In any case, it has to be considered that the internal or lower surfaces of this beam in flammable material must not come in
contact with temperatures higher than 65 °C.
WARNINg: We cannot be made liable for a wrong operation of the plant, when it does not comply with the provisions of
these instructions or when it uses additional products not suitable for this device.

DEsCRIPTION

Definition: product according to EN 13229 the appliance works as an intermittent operating appliance.
The devices La Nordica are suitable to heat living spaces for some periods. As fuel, wood logs are used. .
The device is made up of metal sheet plates in painted steel, castings of cast iron and refractory materials.
The hearth is coated by cast iron castings and refractory material plates, the grate holder and the related extractible grating are both made of
cast iron. The combustion chamber assembly is air-tight by welding and covered with a galvanized sheet metal carter.
The devices are equipped with an integrated air circuit for the recovery of the heat made up of deflectors (radiant fins) on all external surfaces
of the heating body.
The devices are equipped with a hearth with double thickness rear part made up of a drilled extractable plate.
Through these holes, pre-heated air gets into the hearth; in this way, it is possible to achieve a post-combustion with an increase of the yield
and a reduction of emissions of unburned gases.
The sight door is assembled on extensible ball guides, which assure a robust and silent operation reliable in time.
The door lifting counter-weight is supported by two sturdy chains with related pinions.
The ceramic glass (resistant up to 700 °C) of the door allows a charming view on burning flames and avoids any leak of sparks and smoke.
ACCEssORIEs
The heating of the room occurs:
a) by convection: the passage of air through the coating and the covering hood releases heat in the room.
b) by radiation: through the sight glass and the steel body, heat is radiated into the room.
The openings for the combustion air (primary and secondary) are managed by one single register.
sINgLE Register PRIMARY air and sECONDARY air
The lever to adjust the combustion air is located underneath the fire-door
With the air register located under the door of the hearth, it is possible to adjust the air flow through the ash drawer and the grating in
direction of the fuel. The air is necessary for the combustion process during the ignition. The ash drawer has to be emptied regularly, so that
ash cannot hinder the intake of air for the combustion. The air is also necessary to keep fire live.
Picture 12-13-14 - B It is possible to get the combustion air directly from outside through a flexible tube fireproof NOT furnished (see chapter
VENTILATION HOOD OR ADJACENT LOCAL).
The adjustment of the register necessary to reach the rated calorific yield is the following one:
MONOBLOCCO 1300 EVO

fLUE

Essential requirements for a correct operation of the device:
• the internal section must be preferably circular;
• be thermally insulated and water-proof and produced with materials suitable to resist to heat, combustion products and
possible condensates;
• not be throttled and show a vertical arrangement with deviations not greater than 45°;
• if already used, it must be clean;
• all the sections of the flue gas duct must be accessible to inspection;
• inspection openings must be provided for cleaning.
• observe the technical data of the instructions manual;
Should the flues have a square or rectangular section, internal edges must be rounded with a radius not lower than 20 mm. For the rectangular
section, the maximum ratio between the sides must be = 1.5.
A too small section causes a decrease of the draught. It is suggested a minimum height of 4 m.
The following features are fORBIDDEN and therefore they endanger the good operation of the device: asbestos cement, galvanized steel,
Picture 2 gives some examples of execution.
sERIEs
GLOVE
UPPER CLOSING COVE
POKER KIT – WIND AIR (ducted air)
Air vents mod. SHADE (ducted air)
Air vents mod. WAVE (ducted air)
(Picture
Hourly consumption (kg/h)
3,4
R
Picture
Picture 14
8).
Combustion air
Picture 8 - B
ENgLIsH
OPTIONAL
13- C - Picture 14 - C
Picture 14 - D2
Picture 14 - D1
TERTIARY AIR
Pre-adjusted
21