ADURO Asgard 9-1 User manual

Version 7
Aduro 9.1
Ecolabel –EN13240
aduro.dk / aduro.no / adurofire.de / adurofire.com
adurofire.se / aduro.fr / aduro.es / aduro.it
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Bedienungsanleitung
User Manual
Mode d’emploi
Eldningsinstruktion
Manual de usuario
Manuale d’uso e manutenzione
DK/NO (2-15)
ES (65-76)
IT (77-88)
FR (53-64)
UK (29-40)
DE (16-28)
SE (41-52)

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Congratulations on your new Aduro Stove!
To get the best possible experience and benefit from your new Aduro wood burning stove, it is important that
you read the user manual thoroughly through before you install the stove and start using it. Errors or
incorrect settings can cause hazardous conditions and/or poor operation.
For further information, please go to www.adurofire.com.
5-year warranty –Free online registry
You have the opportunity to extend the warranty on your wood burning stove from two to five years for free.
All you need to do is register the stove at www.adurofire.com/warranty. The deadline for registering is five
months from the date of purchase.
Production number
The wood stove has a production number on the rating plate on the back of the stove. We recommend that
you note down this number in the box below before mounting the wood stove. For the purposes of the
guarantee and for other enquiries, it is important that you are able to quote this number.
Enjoy!
HOW TO SUCCEED WITH YOUR NEW WOOD STOVE
In our customer service center Aduro Customer Service you will
find tips and tricks on how to succeed with your new Aduro wood
burning stove. Here you will have direct access to interesting
content about installation and maintenance of your stove as well
as support related information. Find us here and make the most of
your Aduro wood stove.
UK

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1. General
1.1 Compliance
Aduro 9.1 complies with the EN13240 European standard as well as the NS3058 Norwegian standard and is
thereby approved for installation and use in Europe. At the same time, the manufacturing process is subject
to external quality control. Aduro 9.1 also carries the Nordic Ecolabel, which guarantees that the wood
burning stove complies with the most stringent environmental requirements and has been manufactured in
an environmentally correct manner. DoP (Declaration of Performance) can be downloaded at
www.adurofire.com/download.
1.2 Technical data
Aduro 9.1
Data
Nominal power
6.0 kW
Flue outlet, diameter
Ø15 cm top/rear
Measurements (HxBxD)
95.8 x 50 x 44.7 cm
Height exhaust branch above floor
92.8 cm
Distance from floor to centre of rear outlet
84 cm
Distance from centre of exhaust branch to rear edge of
stove
19.3 cm
Weight
100 kg
Material
Sheet iron
Fuel
Wood and wood briquettes
Max wood length
39 cm
Convection stove
Primary, secondary, and tertiary air supply
Air-wash system
Ashpan
Energy efficiency
81.3 %
Energy efficiency index
108.9
Energy efficiency class
A+
Chimney draft
12 Pa
Maximum combustion amount per hour (wood)
Ca. 3.1 kg
Heat rating in buildings with
- Optimum insulation
- Average insulation
- Inadequate insulation
150 m2
100 m2
60 m2
1.3 Transportation
When taking your wood burning stove home, please ensure that it travels in an upright position. If you wish
to lay it flat, it is important that you remove all loose parts from the combustion chamber (cast iron grate and
loose fireproof tiles) and remove the ashpan. Please use wood from the packaging for the first use. The
plastic packaging should be discarded.

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2. Installation of the stove
You are welcome to install your wood burning stove yourself –but we strongly recommend that you consult
your chimney sweep before you begin the installation. It is important to ensure that all local rules and
regulations, including ones relating to national and European standards, are complied with when installing
this device. Your dealer can also provide you with installation advice. Remember, it is your responsibility that
rules in force are complied with.
2.1 Position of the stove / distance requirements
The wood burning stove must be installed in a suitable and physically possible position. You need to be sure
that the position complies with local regulations. Distance requirements will only apply if the wood burning
stove is to be placed close to flammable materials:
Distance to flammable material (see illustrations below)
Behind the
stove
Behind stove with
insulated flue pipe
To the sides
Above the
stove
Corner
arrangement
Distance to
furniture
15 cm
10 cm
45 cm
75 cm
20 cm
90 cm
You may not begin to use the stove until it has been inspected and approved
by your local chimney sweep.

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If the stove is positioned against a brick wall or other non-flammable material, there are no minimum distance
requirements. To facilitate cleaning and for the best use of the convection air, we recommend that you leave
a distance of approximately 5-10 cm to the wall.
If the wood burning stove is to be placed close to flammable material such as a wooden floor or carpet, it
must be placed on a non-flammable base. The floor plate should extend for at least 30 cm in front of the
wood burning stove and 15 cm on each side measured from the opening of the combustion chamber.
2.2 Pipe connection
Aduro 9.1 leaves the factory with the flue outlet mounted on the top. If you require the flue outlet on the back,
“brake” the two cover plates on top of the back of the stove. Exchange the exhaust connector (from the top
outlet) with the cover plate from the rear outlet. Mount the cover plate from the rear outlet to the top outlet.
The top outlet is finished with the plate that lies in the ashpan. A flue pipe with an internal diameter of 150
mm should be used for Aduro stoves.
Please ensure that all local rules and regulations are complied with, including CE marking of the exhaust
connector. Additionally, distance requirements to flammable material for the exhaust connector must be
respected.
2.3 Connection to a brick chimney
If the stove is being connected to a brick chimney, the rear outlet or a curved flue pipe via the top outlet
should be used. After measuring, a hole is made in the chimney in which the pipe sleeve is placed and stove
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 stove can be connected to a chimney to which other heat sources are connected.
The wood burning stove must be installed on a floor with the adequate load-
bearing capacity. If the existing construction does not meet this requirement,
appropriate adaptation measures must be taken (e.g. a load-distributing plate).
X

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3. Lighting the stove
Important safety information
•The wood burning stove will become warm during use and therefore it should be treated with all
necessary caution.
•Never keep easily combustible fluids such as petrol in the vicinity of the wood burning stove.
•Never use easily combustible fluids to light the fire in the wood burning stove.
•When lighting a fire, it is important to get the fire burning fast. If the fire does not start quickly and
wood only smoulders, it can cause strong smoke formation and in worst case cause an explosive
ignition of the flue gasses, which can damage the stove.
•Never empty the ashpan when the wood burning stove is warm. Embers may still be found in the
ashpan for up to 24 hours after the fire has gone out. Please wait to empty the ashpan until you
are sure that there are no embers in the ash.
•The door should be kept closed while the wood burning stove is in use. While lighting the fire, the
door can stand ajar for the first few minutes.
•In the event of a chimney fire: Close all the dampers on the wood burning stove and call the fire-
fighting service.
3.1 Damper
The stove is equipped with different dampers, which regulates the combustion air: primary, secondary, and
tertiary air supply. The primary air is used at the beginning to get the fire going, the secondary air keeps the
fire burning evenly, and the tertiary air ensures that flue gasses are burned. You must always add secondary
and tertiary air, while firing the stove.
3.1.1 Secondary damper
The secondary damper behind the door 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.
Turning the damper to the left decreases the air supply and turning to the right increases the air supply. 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 want 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: The stove comes with an Aduro-key which provides easier control of the secondary damper.
The key is fitted onto the control handle in order to easily adjust the airflow from side to side.
3.1.2 Primary damper
When you add a new log, the primary 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 damper for approx. 2 minutes to get the new log to burn.

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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 damper for approx. 1 minute before the door is opened. This increases the draft
through the stove and reduces the risk that ash will drop on the floor.
3.2 Aduro-tronic
The patent-applied control Aduro-tronic is a manually operated mechanical start-up
device, which works without the use of electricity and automatically regulates the
combustion. 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, the benefits of
efficient combustion, and a reduced firewood usage up to 40 %. For further
information, go to www.adurofire.com.
3.2.1 How to operate Aduro-tronic
When lighting
When lighting a fire in the 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.
Regulation of the Aduro-tronic control
The control is pre-set to close the primary air intake within 6 minutes. This setting has been used during
testing at the Danish Technological Institute using a standard chimney and ‘standard’ sized logs (approx. 30
cm long, 10x10 cm thick) with maximum moisture content of 18%. In practice, such circumstances can differ,
which is why the Aduro-tronic control can be adjusted to your circumstances. If you want a slower intake of
If you overload the wood burning stove and burn more than approx. 3.1 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.

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primary air (e.g. for a slower flue draft, larger sized wood or for longer intervals between stoking), adjust the
screw on the front of the control level using a small allen key to slow closure rate. If the screw is turned to the
right, closing time is increased and if turned to the left, closing time is reduced.
3.3 Ventilation / fresh air supply
In order for the wood burning stove to function at optimum efficiency, air is needed for the combustion
process. There must be sufficient fresh air coming into the room containing the wood burning stove. In very
well-insulated houses, or houses with powerful cooker hoods and/or air conditioning systems, a vacuum can
be created around the wood burning stove, leading to smoke leakage and poor combustion. In these
circumstances, it might be necessary to open a window to provide air for combustion and to equalize the
vacuum. Alternatively, you could fit an air vent in the room containing the wood burning stove. The amount of
air needed for combustion is 25 m3/h.
3.4 How should I use my wood burning stove?
The wood burning stove is intended for intermittent combustion. This means that each stoking should burn
down to embers before new logs are added.
To obtain the best possible combustion, you should regulate the effect/heat output with the fuel. Burning
small logs provides more powerful combustion than burning large logs as the surface area is greater and
more gas is released. The amount of wood in the combustion chamber is another factor that affects
combustion. The optimum combustion is achieved by placing two logs in the stove. If you want an enhanced
effect, you can add more logs. The ideal heat output is reached by burning approx. 2.2 kg per hour.
If you experience problems lighting the fire or the fire dies after a short time, it can be due to the following
reasons:
•The fire wood is not dry enough. The fire wood should have a moisture content of max. 18%.
•There is a negative pressure in the house. See section 4.3.
•The smoke outlet from the outside may be blocked from sooth. This can occur after chimney
sweeping. Control the smoke outlet.
•The used amount of wood may have been too small. Therefore, the embers were too weak and cold
to light the next load of wood.
3.5 The first time a fire is lit
The wood burning stove is packed in recycling packaging. The wood from the packaging can be sawed into
smaller pieces and used the first few times a fire is lit. The plastic packaging must be disposed according to
national rules regarding disposal of waste.
During transportation, it may happen that the baffle plate in steel falls out of place. Therefore, before using
the stove, please make sure that the baffle plate is properly placed (on the hooks or fastened to the bolts
depending on the model) for optimum combustion and preventing soot on the glass.
The first few times the wood burning stove is used, there may be some smoke and unpleasant odours from
the wood burning stove, which is fairly normal. This is caused by the heat-resistant paint hardening. Make
Use of dry wood of the right size is important to achieve optimum
combustion.

37
sure there is sufficient ventilation during this stage. It is also important not to let the fire burn too fiercely the
first 2-3 times, so that the wood burning stove has time to expand slowly.
You should also be aware that the stove may make some clicking sounds as it heats up and cools down –
like pouring boiling water into a sink. These are caused by the great differences in temperature to which the
materials are being exposed.
3.6 Lighting a fire in the wood burning stove
The fire lighting method is very important for starting combustion quickly and efficiently.
1. Open the primary damper under the door and the secondary damper behind the door. The
illustration below shows the stove seen from the front with the dampers indicated.
2. Place a log of wood crosswise in the combustion chamber and put 2 firelighters close to the log.
Light the firelighters and quickly put a new log close to the firelighters and several small logs at an
angle above it. Air must be able to reach the firelighters, but the logs should be touching to “warm”
each other.
3. Keep the door approx. 1 cm ajar, until the glass is too hot to touch. Then close the door. When there
are distinct, visible flames and the fire has taken hold, close the primary air intake/damper (see
section3.1.2).
The control handles will get warm when the wood burning stove is in use.
Please use the glove provided when you operate the wood burning stove.
Secondary damper
Primary damper
During the first firing, which should be carried out using approximately 1 kg of
wood, the stoking door must be left slightly open and must not be closed until
the stove is cold. This is to prevent the sealing rope sticking to the stove.

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3.7 Recommended fuels
Wood and wood briquettes. We recommend the use of split hardwood that has been stored outdoors under
cover for at least 1 year. Wood that has been stored indoors has a tendency to become too dry and will burn
too quickly. We recommend that you fell the wood during the winter when a lot of the moisture in the wood
will have been drawn down into the roots. In order to achieve optimum combustion, the wood’s moisture
level should not exceed 18 %, which roughly corresponds to storing the wood under cover outdoors for one
year. The moisture level of the wood can be measured using a moisture meter or by applying dishwashing
liquid to one end of the log and blowing air in the other end. If the wood is dry enough, soap bubbles will
appear. The wood should be chopped into logs with a diameter of approx. 10 cm and a log length of max. 39
cm. Firing with wet fuel will reduce the energy efficiency and increase the particle emission.
Burning varnished wood, impregnated wood, chipboard, paper, and other waste is strictly forbidden. Burning
these materials will damage the environment, the wood burning stove, and your own health. Fossil fuels
must not be used.
4. The chimney
The optimum combustion is achieved at a constant chimney draft of 10-14 Pascal (Pa) measured in the flue
pipe above the stove (when having a smoke exhauster). However, with natural draft (chimney without smoke
exhauster) the draft in the chimney will be between 18-25 Pa when conditions are optimum. There are many
factors that affect the chimney draft, including the outside temperature, wind strength, and surrounding
buildings. There are no requirements with respect to specific chimney heights, but a chimney must be tall
enough to provide a good draft. If the recommended chimney draft is not achieved, there may be problems
with smoke out of the door by firing.
Data for chimney calculation
Wood
Flue temperature at [20°C]
245
Chimney draft at testing power [mbar]/[Pa]
0.12 / 12
Flue gas mass flow [g/s]
5.7
4.1 Inadequate draft in the chimney
If you experience poor draft in the stove after the installation, please make sure that there is nothing in the
chimney to restrict the smoke and that no nearby buildings or trees affect the winds around the chimney.
If the chimney is too short, leaks, or is inadequately insulated, there may be problems with the chimney draft
(let the chimney sweep assess this). The draft should be sufficient during the ignition phase when the
stove/chimney is cold to provide a clean combustion and prevent smoke leakage. Therefore, we recommend
a chimney draft around 5 Pa in the ignition phase.
Once the ignition is a success and the smoke temperature is rising, it is important that the chimney draft
reaches a stable area around 18-25 Pa in operation (1 hour after ignition) when the chimney/stove is hot.
The draft in the area of 18-25 Pa when the stove is hot is essential in order to achieve an optimum and clean
combustion. Therefore, we recommend that you measure your chimney draft when the chimney is cold and
when it is hot after 1 hour in operation.

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In practice, the chimney draft will differ –especially in cold condition. Therefore, the best indication of the
chimney draft is to measure the draft when it is hot. If the chimney sweep judges the draft to be sufficient, but
you still have problems lighting a fire, try extending the fire lighting phase by using more thin pieces of
kindling and 1-2 firelighters, so that the chimney gets thoroughly warm. The chimney will not draw at
optimum effect until it is warm. When a layer of embers has been formed, add 2-3 dry logs.
If it is impossible to establish a sufficiently natural chimney draft, the chimney can be fitted with a smoke
exhauster, e.g. Aduro DraftOptimizer.
4.2 Chimney and Smoke
If you experience smoke coming out of the stove or the start section of the smoke pipe, it could be due to
certain weather conditions. On stormy or cold winter days or if the chimney has not been used in a while, a
cold plug can be created in the chimney, meaning the natural draft will be at its minimum.
If the chimney is cold and cold plugs are created, you may experience smoke leaks during the ignition and
startup phase. In this situation there can be more smoke than usually in the combustion chamber and some
of it might leak out of the stove. Therefore, if you have a cold chimney that has not been used for a while, we
recommend that you use some wood sticks to heat the chimney and eliminate the cold plug.
5. Maintenance and cleaning of the stove
Pakninger
Med tiden bliver pakningerne slidte og bør derfor efterses. Er de utætte, bør de skiftes.
Combustion chamber
The fireproof tiles in the combustion chamber eventually wear out and should be replaced when the cracks
are more than 0.5 cm. The durability of the tiles depends on how often and how intensively the stove is used.
You can change the tiles yourself. They are available as a ready-to-use set. For further information, go to
www.aduroshop.com.
Glass
Wet wood, unsatisfactory chimney draft, and wrong use of the stove can leave soot stains on the glass pane.
They can easily be removed using a damp cloth that you dip in cold ash and rub on the sooty glass. Special
cleaning agents are also available to remove soot from glass, e.g. the Aduro Easy Clean pad. The pad
neither scratch nor damage the glass and is for multiple usage. Water or other cleaning agents are not
necessary.
It is common maintenance to tighten the glass fittings shortly after the stove has been installed as well as to
check if the gaskets are properly placed.
All maintenance and cleaning of the stove should be carried out when it is
cold.

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Gaskets
With time, gaskets around glass and door will wear. We recommend that you inspect them regularly. If
leakages appear, they must be replaced.
Ashes
Empty the ashpan before it gets completely full. Always leave a layer of ashes in the stove because it
insulates and makes it easier to light a fire.
Cleaning the stove
The stove’s surface is treated with a heat-resistant Senotherm® paint, which will stay at its best just by being
vacuumed with a small, soft mouthpiece or dusted with a soft, dry cloth. Do not use spirit or other solvents, as
they will remove the paint.
The inside of the stove and the flue pipe can be cleaned through the door or alternatively through the
cleaning aperture in the flue pipe/chimney. The upper fireproof tile (the exhaust deflector) can be removed.
To allow free access to the top of the stove and the flue pipe, remove the exhaust deflector in steel. The flue
pipe can be removed from the stove and cleaned. Cleaning of the inside of the stove and the flue pipe
should be undertaken at least once a year, or more frequently if necessary, depending on how often the
stove is used. This work can also be carried out by the chimney sweep or your local Aduro GO partner.
Repairing the surface
Aduro stoves are painted with a heat-resistant paint that can withstand temperatures up to 500 degrees. If
the surface of the stove gets scratched or worn, it can easily be renewed using this type of paint. Everybody
can repair the surface and obtain a perfect result. The paint is available in black metallic from your local
dealer or at www.aduroshop.com.
Spare parts and unauthorized alterations
You may only use original spare parts for your stove. All forms of unauthorized alterations to the stove are
strictly forbidden, as the stove will no longer comply with the approved specifications. At
www.aduroshop.com you can buy original spare parts for your stove.
Do not clean the stove with water. If the stove is exposed to moisture, the stove
may develop rust.

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6. Accessories
For Aduro stoves we offer a wide product range of accessories to fulfil the experience: Companion sets,
firewood baskets and buckets, fireplace grid, briquette buckets, floor hearths in glass and steel, flue pipes,
Aduro Easy Firelighter, and Aduro Easy Clean pad. For further information, go to
www.adurofire.com/accessories.
7. Right of complaint
In accordance with the Danish Sale of Goods Act, you have a two-year right of complaint from the date of
purchase of the wood burning stove. The dated receipt will be sufficient proof. The right of complaint does
not cover damages caused by faulty installation and use of the stove. The right of complaint also does not
cover loose and wearing parts (glass, gaskets, firebricks, handles, slides, painted surfaces, cast iron grate
etc.) as they are subject to wear during normal use. These parts can be bought as spare parts in our
webshop www.aduroshop.com.
In addition, the right of complaint does not cover:
•Damages resulting from incorrect installation and use of the stove, e.g. overheating and wrong or
missing maintenance of the stove.
•Damages caused by (condensation) water in and around the chimney, too much or too little draft in
the chimney and missing maintenance/cleaning.
•Mounting or demounting relating to repairs.
•Transportation costs relating to repairs.
•Damages to the stove caused by external influences or damages caused by the stove on other
objects.