Primary Damper - ADURO 19 Mode D'emploi

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3.6 Secondary damper
The secondary damper should always be open while the wood burning stove is in use. This damper allows you to
adjust the wood burning stove to the chimney draft and the heat output you require. In normal circumstances, the
wood burning stove should be working with this damper open between 60 % and 100 %. You should never close
the air intake so far that the flames are extinguished. There should always be visible flames in order to achieve
clean and efficient combustion. A too low supply of air can lead to bad combustion, high emissions and a bad
efficiency. The air-wash system, that minimizes soot collecting on the front glass pane, is also adjusted by this
damper.
If you wish to fire the stove with the lowest effect possible – around 3 kW – you must close the secondary damper
almost completely 45 minutes after the wood has been put in. At this point there are only few flames and the stove
can burn clean by using the tertiary air from behind in the stove.
Aduro Key: provides easier control of the secondary damper. The key is fitted onto the control handle, so you can
more easily adjust the airflow from side to side. Turning to the left decreases the airflow, and turning to the right
increases the airflow.

3.7 Primary damper

When you add a new log, the primary air intake/damper should be opened until the fire is burning properly. In order
to utilize the fuel to the fullest extent, the embers should have burnt for so long that it is necessary to open the
primary air intake for approx. 2 minutes to get the new log to burn.
In order to reduce the risk of ash falling from the stove when the door is opened to add more fuel, it is a good idea
to open the primary air intake/damper for approx. 1 minute before the door is opened. This increases the draught
through the stove and reduces the risk that ash will drop on the floor.
Please note: if you overload the wood burning stove and burn more than approx. 2.5 kg wood/hour, there is a risk
that the lacquered surface of the stove will become discoloured and eventually fall off. The stove can be
resurfaced, but this is not covered by the manufacturer's guarantee. In the same way, any other damage to the
stove caused by overloading will not be covered by the guarantee.
3.8 Aduro-tronic
The patent-applied Aduro-tronic is designed to operate the stove for you. All you have
to do is put dry wood in the stove, and activate the control system - Aduro-tronic does
the rest, leaving you to enjoy the flames and the benefits of efficient combustion.
Aduro-tronic is a manually operated mechanical start-up device, which works without
the use of electricity.
Please note: Use of dry wood of the right size is important to achieve optimum
combustion.
3.8.1 How to operate Aduro-tronic
When lighting
When lighting a fire in the wood burning stove for the first time, the maximum
amount of primary air will be needed to light the fire. For that reason, the
primary damper can be kept "forcibly open". This is done by pulling the primary
damper forward as far as possible and then fixing it with the Aduro Key (see
illustration). When the stove is warm and a layer of embers has been created
on the bottom of the combustion chamber, the Aduro-tronic can be set to the
automatic position, i.e. the Aduro Key can be removed.
Alternatively, you can leave the door ajar the first minutes during lighting the
fire (without the key).
When stoking
Each time fresh wood is put in the stove, a precise amount of primary air will be
allowed in for the first few minutes. What's more important is that the primary
air is not allowed in for too long. This is to ensure optimum combustion. The
Aduro-tronic control will ensure intake of primary air at the right tempo. The
automatic is activated by pulling the primary damper out each time fresh wood
is put in the stove. The automatic closes then the primary air gradually.
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