Cola Marlene 3 Manual de instalação, utilização e manutenção - Página 8

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2.7 Advice on flues and connections

Flues must be made from suitable materials and perfectly insulated, with characteristics that prevent temperature

decreases.

The inside walls must be perfectly smooth without any narrowing or protrusions along the entire length, so as not to

create friction or vortices in the smoke which could cause a considerable reduction in draught.

Any doors for cleaning and inspection must be perfectly closed during operation.

The flue outlets must be 0.5 m higher than any obstacles within a radius of 10 m and must end with chimney caps or

cowls having a useful outlet cross section of at least double that of the flue.

The following two figures give the data regarding the distances and positioning of chimney caps in conformity with the

provisions of UNI 10683/98.

Approx. 0.5m

Min 0.5m

•

Obstacle

(α)

Distance A

Roof slope

15°

30°

More than 1.85 m

45°

60°

Before connecting the stove to an existing chimney, in addition to complying with that described above, make sure

there are no openings or cracks where air could enter and cause a temperature decrease affecting the draught.

Lastly, make sure there are no obstructions caused by foreign bodies or a build-up of soot.

The first connection section leaving the stove

should

vertical,

connection to the chimney (which goes to the

chimney cap) must only enter by a few cm, so

as not to reduce the cross section of the flue.

If the flue is not perpendicular to the chimney

it is advisable to make the connection with

special steel fittings that allow a maximum

slope of 45° .

If the walls and ceiling are made of flammable

materials, the parts in contact with the flue

must be suitably insulated. All connection

joints must be carefully sealed, in particular

where the connection enters the flue.

If there are other stoves in the same house, each must have its own flue. It is inadvisable to make holes in the flue for

connecting other appliances, as this could impair the draught.

The chimney outlet must be at least

Min 0.5m

Less thani 5 m

UNI 10683/98 tables

1.00 m

1.30 m

2.00 m

2.60 m

whereas

the

flue

0.5 m higher than any obstacle

within a radius of 10 m.

Fig3 Chimney cap positioning and distances

(α)

Roof slope

15°

30°

45°

60°

Marlene 3

Distance B

Less than 1.85 m

MAX 45°

YES

0.50 m