Lincar Annarita 698 TP Using Instructions And Maintenance page 48

CHIMNEY OR FLUE
The chimney or flue should have the following characteristics:
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Well sealed from combustion products, impermeable and completely insulated as
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normative condictions.
The flue has to be built with materials well suitable for normal mechanical stress,
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heat, action of combustion products and their condenses.
The flow has to be vertical with deflections no higher that 45°.
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A right distance from combustible or flammable material, insulated with an air
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cavity or right insulator.
Internal round section, the square or rectangular section should have round corner
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with a ray not less than 20 mm.
Internal section should be constant, free and indipendent.
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Rectangluar section with sides ration max of 1,5.
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All manufacturer instruction should be respected concerning the section and the
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building characteristic of the chimney or flue. For particular section, deviation of
section or path a complete inspection of exhaust fumes system will be necessary.
It is advisable that the flue should be supplied with a „chamber „ for solid material
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and condenses collection, placed under the flue throat and easy to be reached and
opened through a sealed „little door" for inspection.
In case of fire of chimney or flue, employ the right system to soffocate the flames
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and call for firemen.
The chimney and gas tubes should be easy to log on for every maintenance and
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cleaning operation.
EQUIPMENT CONNECTION TO FLUE AND EVACUATION OF COMBUSTION
PRODUCTS
The flue should receive the exhaust fumes from one only heating equipment.
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It is possible to realise an equipment composed by a fireplace and a cooking oven with a
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sole exhaust fumes point towards the chimney, for which the manufactures has to
provide the building characteristics of the duct of the exhaust fumes channel.
It is prohibited to connect in the same flue, a heating equipment and a suction hood.
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It is prohibited to connect the exhaust pipe towards closed space even if it is in open air
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The direct exhaust fumes has to be done ahead roof and the exhaust pipe should have the
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above characteristics.
Horizontal tubes connection should have a min slope steep of 3% .
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The gas tubes should be sealed against combustion products, in case of outside passage it
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should be insulated.
The chimney and gas tubes should be easy to log on for every maintenance and cleaning
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operation.
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