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Fig. №. 7
Suggested solutions of passages through a combustible wall or in the ceiling
4.4
Connection of the pellet stove to the chimney
Before commissioning the pellet stove, check and testing of the flue channel has to be performed even before closing
the flue channel by the sheathing of the heat-air chamber. These activities may be only performed by a qualified
person, for example, a chimney-sweeper company. The result of checking has to be recorded into the revision report
of the flue channel.
With regard to low demand factor of installation of the pellet stove, a customer may install the stove by
himself/herself. However we recommend ordering this installation from a proper trained specialized building company
or a chimney-sweeper or a stove-fitter company.
Revision of the flue channels has to be carried out:
before commissioning the flue channel
after each building modification of the chimney
before a change or new installation of the consumer.
Revision has to be performed by a qualified person in the sphere of chimneys – by engineering inspector of
chimneys.
Flue exhausting is ensured by means of a flue exhauster, which is a part of the pellet stove.
The stove has to be connected to a separate chimney. It is not allowed to draw off flue gasses from other equipment to this chimney.
The chimney can be in classical design (a brickwork), or from stainless steel or from ceramics.
Usual pipes or springy steel pipes for flue gas ducting can be used for connection to the chimney.
All parts of the flue gas ducting up to the entrance to the chimney have to be gas-tight from the reason of possible occurrence of
overpressure in the output of flue gases.
The pipe of the flue gas ducting mustn't intervene to a free cross-section of the chimney.
The stove complies with requirements for connection to chimneys designed for temperature of flue gases of 350 °C.
The minimum required chimney draught is 10 Pa. Draught is influenced both by the length of the chimney, and by the surface of the
chimney, and by quality of its sealing. The minimum recommended length of the chimney is 3,5 m from the place of falling-in the flue gas
ducting to the chimney and a suitable minimum cross-section is 150 x 150 cm.
The outer diameter of the connecting mouthpiece for smoke gas is 80 x 1,5 mm.
The flue gas ducting has to be made from tightened steel or stainless pipes. Two 90° elbow-pieces can be used.
In case of placement of the flue gas ducting on the outer side of the building, it has to be equipped with thermal insulation.
Flue gas ducts with sharp bends and a horizontal routing decrease chimney draught. The maximum horizontal piece of the flue gas
ducting is 2 m, under condition that the length of the flue gas ducting is at least 5 m.
The flue gas ducting has to be accessible for checking and cleaning. It is necessary to provide possibility of sweeping of the entire length
of the chimney, and the chimney door has to be easily
Check attentively whether the chimney is tight and that no leakage of flue gases occurs around the chimney door and connection of the
flue gas ducts.
Flue gases are to be drawn through the flue gas ducting with the diameter of 150 mm connected to the neck of the flue gas ducting of the
stove, which is placed on the upper (rear) part of the stove.
4.5
Connection of central air supply
Connection of central air supply has to be realized in air-tight buildings, where the content of oxygen in the room
heated by the pellet stove can be decreased.
Connect the hose to the suction neck for air on the rear wall (Ø 50 mm).
The entrance of the air supply line has to be placed in outdoor space or in sufficiently vented room of the building.
At installation of the stove in a building with controlled ventilation of habitable premises, the entrance of air supply mustn't be placed in a
room, which is connected to the associated ventilation system.
In order to ensure sufficient air supply, the supply line mustn't by longer than 3 m and mustn't have too much bends. The minimum
diameter of the supply line is 50 mm.
If the supply line enters into the outdoor space, it has to be bent by 90° in the down direction or has to be ended in the dead air region.
All manuals and user guides at all-guides.com
1 - wall
2 - flue
3 - cover plate (non-flammable, non-metallic)
4 - rosette
5 - protective tube
6 - insulation filling I.
7 - insulation filling II.
accessible.
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