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Chapter5
ASSEMBLY AND INSTALLATION INSTRUCTIONS
APPLIANCE CONNECTION TO THE FLUE AND FUEL PRODUCTS EVACUATION
The ue must receive the discharge from only one heat generator.
The direct discharge towards closed spaces is forbidden, even with clear sky.
The direct discharge of the fuel products must be at roof and the smoke pipe must have the features
provided in the “Chimney or individual ue” section”.
CHIMNEY CAP
The chimney cap must comply with the following requisites:
have an internal section equivalent to that of the chimney;
have useful outlet section not lower than double the chimney internal section;
be built in order to avoid rain, snow, foreign bodies penetrating the chimney and in order that, in case
of winds in any direction and inclination, the discharge of the fuel products is assured.
be positioned in a way to guarantee an adequate dispersion and dilution of the fuel products and,
however, outside the re ux area in which the formation of counterpressures occurs. Such area has di erent
dimensions and con guration depending on the covering inclination angle, it is therefore necessary to
adopt the minimum heights indicated in the gure layouts below.
The chimney cap must not have mechanical intake means.
SLOPING ROOF
FLAT ROOF
Distance > A
Distance < A
50 cm over the ridge
REFLUX AREA
re ux area height
gure 5.9
gure 5.10
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