05.2020
INSTRUCTION MANUAL
for installation and operation of pellet boiler
CLASSIC 40C
10
Positioning:
To have well operation the pellet boiler should be leveled. The floor on which is placed the pellet boiler must be of
non-combustible materials (concrete, terrazzo, marble, terracotta, etc.).
Safe distances for fire safety:
Minimum distance for work at the front of the boiler has to be 1000 mm; Minimum distance at the back has to be no
less than 400 mm; minimum distance from the side of the external ashtray has to be 1000 mm, on the oposide side
should be minimum 500 mm. above the boiler the minimum distance is 1000 mm. in order to ensure easy access to
the pellet hopper and easier cleaning of the pellet boiler.
When installing a pellet boiler and storage of wood pellets the fire safety requirements must be respected!
It is recommended to mount a fire extinguisher at appropriate place.
It is forbidden to store the wood pellets directly to the pellet boiler or at a distance of less than 400 mm.
The optimal distance between the pellet boiler and combustible materials is 1000 mm.
Inflammable objects should not be placed on the top board of the pellet boiler.
If the chimney is connected to the timber wall or other inflammable material, suitable materials such as ceramic wool
or the like must isolate it.
Fresh air opening:
Imperative to ensure submission of fresh air!
The room, in which is mounted pellet boiler must have an opening for fresh air with a cross section of not less than
95
÷100
cm² in order to ensure a sufficient supply of oxygen necessary for combustion. Additionally, it can be
delivered outside air through a pipe line of Ø 110 mm. In this case, there is possibility for emergence of condensate. If
necessary, the opening for external air can be protected by a grid . Pipe for outside air has to be mounted on the
nearest outer wall to the pellet boiler. Its length should not exceed 1 m, should not have curves and its location has to
prevent clogging. The outer end of the pipe must end with a knee 90˚, downward or be provided with protection
against wind.
Chimneys:
Pellet boiler works constantly with a fume extractor and pressure in the flue pipes and chimney.
It is forbidden the flue gases to be discharged directly from the pellet boiler through the wall into the atmosphere.
Required is to be installed in chimney, which takes flue gases safe for human health altitude over the area of
habitation.
It is recommended that the pellet boiler can be installed as close as possible to the chimney in order to reduce the
number of connecting flue pipes. Pellet boiler operates at low temperature regime and it is therefore possible
occurrence of condensation in the chimney, which requires more frequent inspection and cleaning.
Chimney should be used only by the pellet boiler and no other appliances have to be connected to it. The flue gases
are emitted from the combustion chamber of the pellet boiler to the atmosphere through a flue socket Ø 100 mm
located in the rear. It is recommended at the beginning of the vertical section of the chimney to mount a T-fitting,
with a section for collecting condensate. Pellet boiler must be connected to the chimney by steel flue pipes, certified
according to EN 1856. The flue pipe system must be hermetically insulated with materials resistant to high
temperatures (heat-resistant silicone or grease). Allowed to have a horizontal section with a length of maximum 2 m.
Horizontal section must be a minimum slope of 3% and not more than two curves at 90°.
If the flue socket of the pellet boiler is connected to a metal chimney, it must have a vertical portion length of not less
than 1.5 m and fitted with a wind protection. Chimney may be located internally or externally. It should be well
insulated.
If the pellet boiler is connected to a masonry chimney, it must be intended for appliances for solid fuel. If the chimney
has a size larger from Ø150 mm in diameter, internally along its entire length must be installed tube of stainless steel
with a diameter of Ø150 mm as the free space has to be isolated by masonry. All parts of the chimney should have
free access to inspection. At the bottom of the chimney must be built manhole allowing opening and cleaning at least
once a year. On top of the chimney must be installed a wind protection hat, according to current regulations.
Summary of Contents for CLASSIC 40C
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