Metal-Fach SD DUO BIO Series, Эксплуатационная и техническая документация

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25
11. C
(INSTALLER)
Smoke flue
The flue pipes extract the fumes outside and intake air used for burning
fuel.
T he necessary draught depends on:
ź
the temperature difference between the hot fumes and cold air
ź
proper chimney height
ź
the chimney diameter should be no less than 20 x 20 cm
ź
chimney properties (smooth surfaces inside and outside) grout
tightness
The effective height of the chimney is the difference between the
highest grate and the flue outlet. The effective height of the individual
chimneys must be at least 4 m and of collective
chimneys for solid and liquid fuels should be at least 5 m. the difference
between the two grates can't be greater than 6,5 m.
In case of sloping roofs, the chimneys should end at the ridge,
in the area of free wind. It prevents any draught brakes. Pay attention to
the location of the building in relation to the buildings around.
Choosing chimney
In most cases, choosing the right chimney is done by using an
approximation method or according to manufacturer's recommendations.
In special cases (bad pressure conditions, large volume of fumes) the
chimneys are chosen according to the PN-EN 13384-1+A2:2008 Norm.
Chimneys for solid fuels boilers
It must be noted that the solid fuel grates of nominal thermal power of
>20 kW and without vent require separate chimney.For the solid fuel
grates, single-layer brick chimneys can be used. Today, three-layer
chimneys of smooth surface and good thermal insualtion are commonly
used.
Flue
The boiler is connected to the chimney with a flue and smoke flue. The
smoke flue consists of pipes and fittings which are set in rooms. The
smoke flues meet the requirements set in the chimney fire hazard
regulations and are often made from the same material as the main
chimney. The smoke flues should be made from non-flammable
materials. The smoke flues or their housings should meet the
requirements set in the small chimneys fire test Polish Norm. It is allowed
to build the housing from solid bricks of 12 cm thickness. The bricks
should be set on the cement- plaster mortar with outer plaster or binder.
The connections should be kept as short as possible and set in the upright
direction to the chimney in order to avoid heat losses and additional
resistance. They cannot be set to other rooms. The fumes pipes should
not be set in rooms where furnaces cannot be installed, moreover, they
cannot installed in walls and ceilings. Due to low fumes temperature,
in order to protect the chimney from dampness and draught limit, use the
acid- resistant or ceramic chimney liners with condensate discharge to
the waste drain. The distance between the chimney and the closest tree
top line should be at least 6m.
12. B -
(USER/INSTALLER)
The S D DUO and S D DUO BIO boilers have two burning chambers:
the lower with a biult in furnace and the upper chamber for burning wood
or coal.
• Automatic activation of the boiler:
• feed the fuel into the bin with the ignition
• choose the kind of fuel on the controller
• on the control panel, set the „OFF” mode
• feed the fuel into the burner with the „TEST” manual fuel stoking
feature, feed the fuel until it is visible at the top of the burner
• set the „ON” mode on the control panel, flame should appear after
few minutes
• if there is no ignition, set fire by using traditional grill ignition or
wood
• set the blower to „TEST”
• after starting fire, set the „ON” mode on the control panel.
If there is still no fire, check if the ignition works properly in the „TEST”
mode.
Extinguishing the boiler
If you plan a longer idle period for the boiler, set the control panel
in the „OFF” mode.