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TERMOCAMINO 650 - 800

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Termocamino <strong>650</strong> - <strong>800</strong><br />

5. FLUE<br />

Essential prerequisites for correct operation of the appliance:<br />

• The internal cross-section should preferably be circular.<br />

• The flue must be thermically insulated and waterproof and<br />

made of materials that are resistant to heat, combustion<br />

products, and any condensates.<br />

• It must be free of bottlenecks and be vertical with deviations no<br />

greater than 45°.<br />

• If the flue has already been used, it must be cleaned.<br />

• Respect the technical data provided in the instruction manual;<br />

(1) (2)<br />

(3)<br />

(4)<br />

Max. A+1/2A<br />

A+1/2A<br />

A<br />

If the flue has a square or rectangular section, the internal angles must<br />

be rounded with a radius of no less than 20 mm. For the rectangular<br />

section, the maximum ratio between the sides must be 1:5.<br />

A cross-section that is too small will cause a decrease in draught.<br />

We recommend a minimum height of 4 m.<br />

The following materials are prohibited, as they could jeopardise the<br />

correct operation of the appliance: asbestos cement, galvanised steel,<br />

internal surfaces that are rough and/or porous. Picture 6 shows some<br />

examples.<br />

The minimum cross-section must be 4 dm2 (for example: 20 x 20<br />

cm) for appliances with duct diameter less than 200 mm, or 6.25<br />

dm2 (for example: 25 x 25 cm) for appliances with diameter<br />

greater than 200 mm.<br />

1) Flue in AISI 316 steel with double<br />

chamber insulated with material<br />

resistent up to 400°C. Efficiency<br />

100% excellent.<br />

2) Flue in refractory material with<br />

double insulated chamber and<br />

external covering in lightened<br />

concrete. Efficiency 100%<br />

excellent.<br />

3) Traditional flue in clay, square<br />

cross-section, with air gaps.<br />

Efficiency 80% excellent.<br />

4) Avoid using flues with rectangular<br />

section having a ratio different<br />

from that shown in the drawing<br />

(MAX=A+1/2A). Efficiency 40%<br />

mediocre.<br />

Picture 6<br />

YES<br />

NO<br />

(1) Door<br />

for<br />

cleaning<br />

(2) Illustration of a correct flue with sealed door<br />

for collecting and removing solid unburnt<br />

materials.<br />

Picture 7<br />

(1) Connecting the flue to more than one<br />

appliance is not recommended. Each one should<br />

have its own flue.<br />

Picture 8<br />

Instruction Manual – Rev.07 – EN 25

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