La Nordica Romantica 4,5 [17/72] Chimney pot

La Nordica Romantica 4,5 [17/72] Chimney pot
A – SMOKES control (Picture 7 at page 18)
(Conversion of the cooker function to the cooker, bake oven and heating function).
The smokes control can be found on the top right plate of the cooker, between the lid and the exhaust pipe. This control has two settings:
HOB COOKING : when the bar is pushed to the back of the cooker, the combustion gases ow around the oven and directly into the ue
and up to the chimney.
OVEN COOKING: when the control bar is pulled out, the combustion gases ow around the oven, heating it.
To ignite the ame follow the instructions below (see Cap. IGNITION) :
Bring the ue gas control to the cooker position (any buttery valve placed on the ue gas exhaust pipe must also be opened).
After having started the re with small pieces of wood and waited until it is well lit.
Bring the ue gas control to the oven position.
Close any buttery valve placed on the ue gas exhaust pipe must also be opened.
The control regulation during the ignition phase is the following :
PRIMARY air SECONDARY air SMOKES control
ROMANTICA PRE-ADJUSTED PRE-ADJUSTED Cooker function
The control regulation necessary in order to obtain nominal caloric output is the following (see Cap. TECHNICAL DATA):
PRIMARY air SECONDARY air TERTIARY air
ROMANTICA PRE-ADJUSTED PRE-ADJUSTED -
ACCESSORIES CHROME PLATED
OVEN GRILLE
POKER GLOVE STAINLESS steel tank kit.
ROMANTICA 3,5 - SERIES SERIES OPTIONAL
ROMANTICA 4,5 OPTIONAL SERIES SERIES OPTIONAL
6. 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;
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 at page 58 shows some example solutions.
The minimum section must be 4 dm
2
(for example 20x20 cm) for appliances whose pipe dimensions are less than 200 mm, or 6.25
dm
2
(for example 25x25 cm) for appliances with a diameter of more than 200 mm.
The draught created by your ue must be suf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 dif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.
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 different appliances (See chapter CONNECTING A FIREPLACE OR OPEN HEARTH TO THE FLUE).
6.1. CHIMNEY POT
The ue draught depends on the suitability of the chimney pot.
It is therefore essential that, if built in a handcrafted way, the exit section is more than twice the internal section of the ue
(Picture 2 at page 58) .
As it must always go past the ridge of the roof, the chimney pot must ensure exhaust even in the presence of wind (Picture 3 at page 59).
The chimney pot must meet the following requirements:
Have an internal section equivalent to that of the chimney.
Have a useful exit section of double the internal section of the ue.
Be built so as to prevent rain, snow or any foreign body entering the ue.
Be easy to inspect, for any maintenance and cleaning operations.
ROMANTICA 3,5 - ROMANTICA 4,5
1093013 17

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