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4.3.4
Convection air apertures
Convection air apertures meeting the following requirements
are required on site for heat dissipation
(Free cross section circulating air / supply air):
•
premium V-1V-87h – 1280 / 1300 cm
•
premium V-Fd-87h – 1020 / 1220 cm
with ancillary heating surface: 510 / 610 cm
•
premium V-2l-55h – 650 / 780 cm
with ancillary heating surface: 950 / 1140 cm
•
premium V-2r-55h – 650 / 780 cm
with ancillary heating surface: 950 / 1140 cm
•
premium V-2l-68h – 890 / 1070 cm
•
premium V-2r-68h – 890 / 1070 cm
•
premium V-2l-80h – 1360 / 1625 cm
•
premium V-2r-80h – 1360 / 1625 cm
•
premium A-3rl-60h – 650 / 860 cm
•
premium A-3rl-80h – 830 / 990 cm
•
premium A-u-50h – 560 / 680 cm
•
premium A-u-70h – 650 / 1200 cm
•
lean 2l-70h – 740 / 850 cm
•
lean 2r-70h – 740 / 850 cm
•
lean 3rl-70h – 540 / 650 cm
4.3.5
Flue gas routing
the flue gas routing requires a chimney on site meeting the
following requirements:
•
the flue gases must be extracted through a chimney.
•
As a rule, the chimney must discharge the flue gases via
the roof.
•
the dimensions for flue gas routing and the chimney must
be calculated for each individual case.
•
the chimney height from the flue gas inlet must be at least
4 m.
•
only approved pipe systems may be used for connections
to the chimney. it must be possible to clean the connection
line at any time. suitable cleaning hatches must be
provided.
•
the pipe systems must be routed so that they are as short
as possible and at an incline (incline of the horizontal
section min. 50 mm per metre).
•
the necessary delivery pressure must be observed.
A higher delivery pressure will increase the output and
emissions, causing increased strain on the stove system,
which may damage the system. A lower delivery pressure
reduces the output, the emissions increase and the
burning behaviour is impacted. this may lead to black
discolouration of the glass and fireclay. the optimum
delivery pressure is 12 – 18 pa (measured near the flue gas
connection).
•
remove all flammable and temperature-sensitive materials
around the connection opening to the chimney – on and in
the wall.
•
local laws and regulations must be adhered to.
§ e.g. in germany, the relevant building regulations.
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Assembly and operating manual | Premium & Lean | 06.2023 | en
•
the flue gas routing must comply with local regulations.
§ e.g. in germany with din 18160.
•
the chimney must have been inspected and approved
for use (in germany e.g. by the district chimney sweep).
A permit for use must be present.
•
the chimney requires regular cleaning (e.g. in germany by
the district chimney sweep) to prevent formation of a layer
of soot in the chimney.
6 "1.4 Chimney fire" (page 5).
measured values for the unit for chimney calculation:
6 "2.8 technical data" (page 10).
the thermal output of the unit depends on the delivery
pressure of the chimney. An auxiliary air system can be
installed in the flue gas system to compensate for any
occurring fluctuations.
if you would like an auxiliary air system:
4 Contact the manufacturer or a specialised company.
based on the operating mode, the following requirements must
also be met.
Room air sealed operation
•
lean 2r-70h rlu, lean 2l-70h rlu, lean 3rl-70h rlu:
multi-use of the chimney is permissible. All other units
connected to the chimney must be approved for multi-use.
•
the combustion air is supplied to the unit from a different
room air network (e.g. from the cellar) or from outdoors (e.g.
through an external air connection).
•
the combustion air line must be dimensioned in
accordance with the valid regulations.
•
the combustion air line must be permanently connected
with the combustion air connection of the unit and sealed.
ensure that it is leak-tight.
•
the combustion air line must be equipped with a locking
device meeting the following requirements:
•
the locking device does not close on its own.
•
the position of the locking device is visible at all times
(e.g. due to the position of the operating lever).
•
the locking device does not impede processes and
work on the unit.
•
to prevent condensate formation, insulate the combustion
air line and route it so that no water or other substances
can enter the unit. ensure that any formed condensate can
be discharged.
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