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B
C
20 cm
A
ASSEMBLY AND INSTALLATION INSTRUCTIONS
19
Chapter 5
It is forbidden to have other air supply channels and pipes for plant engineering, especially if over-sized,
transit inside the smoke channels. The mounting of manual draught adjustment devices on forced draught
appliances is forbidden.
CHIMNEY OR INDIVIDUAL FLUE
The chimney or individual fl ue must respond to the following requisites:
seal the fuel products, waterproof and adequately insulated similarly to the use conditions;
™
be realised with materials which resist the normal mechanical stresses, heat, action of the fuel products
™
and any condensing;
have mainly vertical progress with deviations from the axis not higher than 45°;
™
be adequately distanced from fuel or fl ammable materials through air space or opportune
™
insulation;
Minimum
80 cm
2
Floor-protection
REFERENCES
Inflammable Abbildung 5.1
objects
Non-infl ammable
objects
A 200 mm 100 mm
B 1500 mm 750 mm
C 200 mm 100 mm
have preferably circular internal section: the square or rectangular sections must have round corners
™
with a radius not lower than 20 mm;
have constant internal section, free and independent;
™
have rectangular section with max. ratio between the sides of 1.5.
™
It is recommended that the smoke pipe be equipped with a collection chamber for solid materials and any
condensing situated under the smoke channel inlet, so that it can be easily opened and inspected from
airtight door.
fi gure 5.4 fi gure 5.5