User Manual

56
2.3 Connection to a brick chimney
If the stove is being connected to a brick chimney, the rear outlet should be used, or a curved flue pipe via
the top outlet. After measurement, a hole is made in the chimney in which the pipe sleeve is placed, and
fireplace mortar is used to seal it in place. The stove is placed in position and the flue pipe is put in place. A
thin gasket is placed between the flue pipe and the pipe sleeve to seal the joints. The flue pipe should
protrude into the pipe sleeve but must not block the opening in the chimney (see the illustration below).
The Aduro H2 can be connected to a chimney to which other heat sources are connected.
2.4 Supply of combustion air
All wood burning stoves need constant supply of air to ensure a
clean and efficient combustion. This is often a problem in
modern energy-efficient houses that are very tight. Therefore,
the Aduro H2 is equipped with external supply of combustion
air, where the air to the combustion is supplied from the outside
and directly into the wood burning stove. Air from outside can
be provided through a channel, which is connected to the
connecting pipe under the combustion chamber. The amount of
air needed for combustion is 25 m3/h.
The connecting pipe has an external diameter of 78 mm, to
which you need a pipe with a diameter of 80 mm. If the
pipework is more than 100 cm, or if there are bends on the
tube, the resistance in the pipe increases significantly. Negative
pressure outside on the sheltered side of the house can also affect the resistance of the pipe significantly. In
these situations, the pipe should have a diameter of minimum 100 mm. It may also require a stronger
chimney draft, which you can achieve by installing an Aduro DraftOptimizer. You can easily test the
resistance in the pipe by opening a window close to the stove, disconnect the external air supply and then
light up the stove. If the combustion looks different than before, there is too much resistance in the external
air supply. If the pipe work is further than 1 m the pipe diameter must be increased to 100 mm and a
correspondingly larger wall valve must be chosen. In warm rooms the channel should be insulated with 30
mm mineral wool covered with a damp-proof course (plastic). It is important that the lead-in between the pipe
and the wall (or floor) is sealed with jointing compound. You can eventually use the complete Aduro fresh air
kit.