AUSTROFLAMM KOKO Xtra 2.0 Wood Burning Stove Instructions

KOKO Xtra 2.0
user instructions

KOKO Xtra 2.0 Wood Burning Stove

To avoid damages, please only use the maximum fuel load for the initial start- up according to our user’s instruc-tions. Allow the stove to cool down and repeat the procedure. open – closed secondary air supply primary air supply

TECHNICAL DATA

As a stove of construction type 1, it is possible to connect it to the chimney of an existing other stove or another hearthfor solid fuels, as long as the chimney dimensioningcomplies with DIN 4705, Part 3.

TECHNICAL DATA

Height| 1196 mm
Width| 546 mm
Depth| 445 mm
Weight| 253 kg
Flue pipe outlet diameter| 150 mm
Nominal thermal output (EN 13240)| 6 kW
Maximum thermal capacity| 8 kW
Smallest heating capacity| 3,5 kW
Room heating capacity (depending on building insulation)| 65 – 165 m³
Exhaust values for multiple use of the chimney in accordance with DIN 4705, Part 3 and for the calculation of the chimney measurements in accordance with DIN 4705, Part 2

Fluegas mass flow| closed| 4,43 g/s
Fluegas temperature| closed| 331 °C
Minimum feed pressure
Nominal thermal output| closed| 10 Pa
at 0.8 times n.
ther. outp.| 8 Pa

Technical data according to Regulation (EU) 2015/1185 and delegated Regulation (EU) 2015/1186
Contact details for the manufacturer or their authorised representative

4631 Krenglbach
Austria

Appliance details

Properties for operation with the preferred fuel

Particular precautions for assembly, installation or maintenance
Described in the individual sections of the operating manual.

Fuel| Preferred fuel
(only one) 2 :| Other suitable fuel(s) 3 :| η s [x%]:| Space heating emissions at nominal thermal efficiency ()| Space heating emissions at minimum heat efficiency 4 () ()
---|---|---|---|---|---
PM| OGC| CO| NOx| PM| OGC| CO| NOx
[x] mg/Nm³ (13% O2) 5| [x] mg/Nm³ (13% O2)** 6
Log, moisture content ≤ 25 %| yes| no| 70.1| 11| 72| 1125| 91| –| –| –| –
Compregnated laminated wood,
moisture content < 12 %| no| no| –| –| –| –| –| –| –| –| –
Other woody biomass| no| no| –| –| –| –| –| –| –| –| –
Non-woody biomass| no| no| –| –| –| –| –| –| –| –| –
Anthracite and dry steam coal| no| no| –| –| –| –| –| –| –| –| –
Coking coal| no| no| –| –| –| –| –| –| –| –| –
Semi-coke| no| no| –| –| –| –| –| –| –| –| –
Bituminous coal| no| no| –| –| –| –| –| –| –| –| –
Lignite briquettes| no| no| –| –| –| –| –| –| –| –| –
Peat briquettes| no| no| –| –| –| –| –| –| –| –| –
Briquettes made from a mixture of fossil fuels| no| no| –| –| –| –| –| –| –| –| –
Other fossil fuels| no| no| –| –| –| –| –| –| –| –| –
Briquettes made from a mixture of biomass and fossil fuels| no| no| –| –| –| –| –| –| –| –| –
Other mixture of biomass and solid fuels| no| no| –| –| –| –| –| –| –| –| –

(*) PM = dust, OGC = organic gaseous connections, CO = carbon monoxide, NOx = nitrogen oxide
() Only required when using correction factors F(2) or F(3).
Properties for exclusive operation with the preferred fuels7**

Specification| Symbol| Value| Unit| | Specification| Symbol| Value| Unit
---|---|---|---|---|---|---|---|---
Heat output| | Thermal efficiency (fuel efficiency) (based on the NCV)
Nominal heat efficiency| Pnom| 6.0| kW| | Thermal efficiency (fuel efficiency) at nominal heat efficiency| ηth,nom| 80.1| %
Minimum heat output (standard value)| Pmin| –| kW| | thermal efficiency (fuel efficiency) at minimum heat output (standard value)| ηth,min| –| %
Auxiliary power consumption| | Type of heat output/room temperature control
At nominal heat efficiency| elmax| –| kW| | single-level heat output, no room temperature control| yes
At minimum heat output| elmin| –| kW| | two or more manually adjustable levels, no room temperature control| no
In standby condition| elSB| –| kW| | Room temperature control with mechanical thermostat| no
Pilot flame power requirement| | with electronic room temperature control| no
Pilot flame power requirement (if present)| Ppilot| –| kW| | with electronic room temperature control and daytime regulation| no
| with electronic room temperature control and weekday regulation| no
Other regulation options
(Multiple answers possible)
Room temperature control with presence detection| no
Room temperature control with open window detection| no
with remote control option| no

1. There is no entry for fireplaces without water-carrying components.
2. Values for annual use efficiency and emissions must be given here for the preferred fuel.
3. Values for annual use efficiency and emissions must be given here for all other suitable fuels.
4. Corresponds to partial load heat output as per EN 16510
5. Specification in mg/m³ for heated filter method (in compliance with Annexe III, number 4, letter a, section i, point 1) or g/kg for measurement in dilution tunnel (in compliance with Annexe III, number 4, letter a, section i, point 2 and 3.)
6. Specification mg/m³ for heated filter method (in compliance with Annexe III, number 4, letter a, section i, point 1) or g/kg for measurement in dilution tunnel (in compliance with Annexe III, number 4, letter a, section i, point 2 and 3.)
7. Specifications must be made here for the preferred fuel only

IMPORTANT INFORMATION

The installation and operation information given here is of general nature. National and European standards, local and building regulations as well as fire prevention laws must be observed during the operation of the stove.
General safety instructions for the operation of your stove

• Thoroughly read the entire manual before starting up your stove and observe the caution notices.
• The manufacturer states: Multiple use of the chimney is possible, provided that local regulations permit such an installation.
• Your heating unit may not be moved without approved means of transport with sufficient load-bearing capacity.
• Your heating unit is not suitable to be used as a stand or as a ladder.
• Please keep in mind that your stove’s surface heats up considerably during operation. We therefore recommend wearing a safety mitten when operating your stove.
• Make your children aware of this particular danger and keep them at a distance from the heating unit whenever it is in operation.
• Attention – stove varnish is no rust prevention!
• Only burn approved fuels and materials listed in the chapter “Clean Burning”.
• The burning or placing of flammable or explosive materials, like empty spray cans and such like into the firebox as well as the storage of such materials in the immediate vicinity of your heating unit is strictly forbidden due the danger of explosion.
• Do not wear loose or flammable clothing when adding fuel to the fire.
• Placing non-heat-resistant objects on the heating unit or in the vicinity of the heating unit is forbidden.
• Do not lay laundry onto the stove for drying. Laundry hung up to dry must be kept at a safe distance from the stove because of the danger of fire.
• The woodstove Koko Xtra 2.0 is not suitable for long term heating.
• During the operation of your heating unit it is forbidden to use flammable or explosive materials in the same or an adjacent room to the one in which your heating unit is located
• The appliance must be operated with the stove door closed.
• The stove door and all fittings for adjusting the stove must be closed, if the appliance is out of use.

Setting up your stove
Required safety distances (Minimum distances – see name plate – in Fig. 2)
a > 1200 mm
b > 540 mm
c > 180 mm
(a – toward the front in the radiated area)
(b – to the side)
(c – to the back)
Make sure that the room in which the stove is set up has at least one door or window into the outside or is directly adjacent to such a room. Other fireplaces and extractor hoods must not be operated in the same room as the stove.
Floor load capacity
Make sure that the load capacity of the supporting construction is sufficient to carry the weight of the entire unit, before the heating unit is installed.
Subject to technical and optical modifications. Formatting and printing errors excepted.
Combustion air
Being the user of the stove you must take care of a sufficient combustion air supply. Sealed-up windows and doors may not allow a sufficient combustion air supply or disturb the draught behaviour of your stove. Please ensure the additional supply of fresh combustion air if necessary. For details please consult your specialist retailer. Make sure that the combustion air intakes are not blocked!
Stove pipe connection
For your own safety stringent laws apply for connecting the stove pipes to the chimney. Your professional dealer or distributor knows these laws. Please have your certified retailer carry out the connection of your stove.

CORRECT OPERATION OF YOUR STOVE

Approved fuels
Dry, well cured and natural wood (hardwood preferred), wood briquettes.
Maximum amount of fuel
Maximum amount of fuel to be added: 1,3 kg wood. Larger amounts of fuel can lead to overheating and thus damage the stove.
Clean burning
The wood must be dry (relative wood moisture < 15%) and untreated and the right amount of wood must be burned in order to ensure a clean fire that releases only small amounts of emissions.
Startup procedures
During the first 3-4 operations – at nominal heat output – there may be some odour development and the varnish has not yet hardened.
Making a fire
For the correct and safe operation of your stove please pay attention of the chimney developing the necessary feed pressure. This must especially be considered before the initial operation (or e.g. after the summer heating break) and during the mid-season heating periods (e.g. at strong wind, etc.).
If there is not enough feed pressure, please light only some paper or small kindling first, in order to “warm up” the stove and the chimney.
The air inlet must not be covered or closed.
Clean grate, empty ash drawer if necessary (watch out for ambers!)!
Position the lever for the combustion air to the open (“AUF”) position (see fig. 2 and 4).
Place 2-3 logs (approx. 1,0 kg in total) crossways in the combustion chamber (1) with sufficient distance from each other (min. 2 cm), on top of that place some softwood chippings (0,3 kg) (2) and some ignition aid and light (3). (see fig. 3) Close the door!
We recommend to let the first load burn down without changing the air lever position.
As soon as no visible flames are left (only embers in the combustion chamber), you can put another load of logs (max. 1,3 kg) in the combustion chamber if desired.
When reloading the stove please repeat the procedure as mentioned under “first lighting”: air lever position on “AUF” (= open), open door carefully, place logs, close door.After a few minutes, when the logs burn well on all sides (bright, high flames – see fig. 5), you can adjust the heat output with the air lever (lever on open position “AUF” = maximum heat output), the flames should be yellow and never look blueish or have black tips (otherwise add more air) – see fig. 4. Never close air supply completely during operation. (danger of flash-fire!)
The stove door may be opened only for refuelling or disposing of ashes and is to be closed again afterwards. Heating in-between seasons
Heating the stove in between seasons, when the outside temperatures are higher, the flue gases may not be able to escape completely and this may lead to disturbances in the chimney draught, especially if the temperatures are rising suddenly. The stove has to be charged with less wood and the primary air has to be increased so that the wood can burn down faster (with visible flames) and thus the chimney flue can stabilize.
Chimney fire
A Chimney fire may occur, due to sooting and deposits in the chimney, if improper or humid fuel is used. Close all air inlets on the fireplace/chimney immediately and call the fire brigade. Please have an expert inspect your chimney for cracks and air-tightness after the burning out of the chimney.

THE MOST IMPORTANT SPARES—OVERVIEW

Gaskets

Keramott

Other parts

Accessories
You can obtain floor plates of glass or steel, fireplace utensils, care products or the Heat Memory System for heat storage from your certified dealer.
IMPORTANT: Have defective parts replaced by your certified dealer. This will guarantee that your stove functions properly and safely.
The fireplae must not be attered.
Maintenance
To clean the glass, please use a specialised product such as Thermohit glass cleaner. Lacquered surfaces are to be cleaned only with a cloth (may be damp). Special cleaning agents should also be used for stainless steel surfaces. Only gaskets in good order ensure the proper function of your stove!
Cleaning
The stove, flue outlets and smoke pipes should be cleaned and inspected for deposits every year – if necessary more often, e.g. after the cleaning of the chimney. The chimney also has to be cleaned regularly by the chimneysweeper. Your chimneysweeper will inform you of the necessary inspection intervals. An expert should inspect the stove annually.

SPECIAL FEATURES KOKO Xtra 2.0

Xtra heat storing technology
The model KOKO Xtra 2.0 has been equipped with the unique Xtra heat storing technology. This technology is based on the patented Heat Memory System, but also on the special flue gas guidance and the convection air which can be regulated or shut off completely. Consequently a fast heating system is being combined with an extraordinarily efficient heat storing.
The convection air can be regulated according to demand with the attached lever (see picture). The more the convection air outlets of the top plate are open, the faster heat but less heat storing can be reached. A closed top plate will however lead to slow heat and longer heat storing.Our hint: while the fire still burns let the convection air outlets open; close them after the fire has burnt down in order to reach a steady heat emission.
Operation with external air supply
Koko Xtra 2.0 can be operated with an external air connection. If the combustion air is being supplied directly to the furnace by an air-tight pipe including closing mechanism from the outside, then the stove may be used in residential property with mechanical ventilation.
Attention – all gaskets must be inspected periodically for tightness and have to be replaced if necessary.
If the stove in being used like that, a multiple stove installation on the same chimney is forbidden.
This stove has been approved by the German DIBT.

must be cleaned with Austroflamm glass cleaner from time to time (depending on the frequency of use)
contact your chimney sweep (elongate chimney/draught metering)
incorrect use of the combustion air supply lever| please operate air lever according to user’s instructions (if secondary air is closed, the door glass soots rather fast)
wood logs are too large| keep to the max. fuel quantity according to user’s instruction
operating temperature was not reached| more fuel, use dry wood (< 15 % residual moisture), attend air regulation
stove does not get enough combustion air| chimney draught not sufficient| contact your chimney sweep (elongate chimney/draught metering)
stove is sooted inside| more fuel, use dry wood (< 15 % residual moisture), attend air regulation
stove smells strongly and there is smoke on the outside surface| baking phase of the varnish| there may be some odour development during the first operations
stove is dusty/dirty| cleaning before the heating season starts!
exhaust gas emission while putting more wood on the fire and during operation| chimney draught no sufficient, flue pipe connection leaky| inspect joints and seal up again if necessary
check chimney draught, examine operating – for info video follow: http://www.austroflamm.com/de/Video/index.html
the stove door was opened before the wood has burnt down to embers| put more fuel wood into the combustion chamber only if there are only embers left (no more visible flame)

GUARANTEE

Guarantee / warranty

1. Warranty statement: For your AUSTROFLAMM stove, we guarantee the flawless performance of the body for six years, and of all other steel and cast iron components for two years from the date of first sale.
   Steel and cast-iron parts that manifest material- and or processing defects during the guarantee period (warranty case) will be replaced for new parts provided that the warranty case has been asserted to the best of the holder’s knowledge within the statutory warranty period. Functional problems with electronic accessories (e.g. AIR+ automatic air control, etc.) shall only justify a warranty claim for the particular accessory.
   Our warranty only covers the free delivery of the new parts: work- and travel times are not recorded.

2. Exceptions: We do not provide a guarantee on wearing parts (e.g. Keramott, seals and grate), surface coatings, varnish, glass and ceramics. In the case of such defects no warranty case has occurred .
   When heating up, during operation and when cooling down, your stove may produce some noise (crackling, soft clicking, etc.). This is caused by the various materials expanding and contracting under the influence of temperature in your stove. Noise of this kind does not constitute a warranty claim and do not constitute a warranty claim.
   The territorial scope of validity of our guarantee covers Austria, Germany and France. In all other countries, separate conditions of the importer apply to the respective country. No warranty case occurs if your Austroflamm stove is not located within the territorial scope of validity, which does not change if it is transported or dispatched by Austroflamm.”

3. Requirements: A warranty case shall only then be replaceable if your Austroflamm stove has been operated, maintained, installed and commissioned by a specialist authorized by Austroflamm, all in compliance with the user handbook. For the replaceability of the warranty case the start-up log must be received by Austroflamm within one month at the latest of the initial commissioning. In order to make a claim on the warranty, repairs to your stove must only be carried out by a service engineer authorized by Austroflamm.
   The warranty claim is asserted with the invoice and serial number with the Austroflamm specialist dealer via whom the purchase was made. An unjustified warranty claim will be charged back to you.

4. Guarantee: This guarantee does not affect your statutory warranty rights towards us. Should your Austroflamm stove already be defective at the point of handover, you can always connect us within the framework of the statutory warrant regardless of whether there is a warranty claim or the guarantee is claimed.

DATA PROCESSIN

Data processing
Additional commissioning report in respect of data processing
(please forward together with start up log and this page to info@austroflamm.com)
The personal data given in the start up log, in particular name, address, telephone number, which are solely necessary and required for the purpose of executing the start up of the product, are collected on the basis of legal authorizations.
Any use of the personal data beyond this and the collection of additional information usually requires the consent of the data subject. You may voluntarily grant such consent in the following section.
If you consent to the appropriate handling of your personal data for the following purposes, please tick this box.
o I hereby agree that Austroflamm GmbH and AUSTROFLAMM Service GmbH & Co KG may send me service reminders and offers on other products from Austroflamm GmbH for the purposes of advertising via E-Mail/ SMS/ telephone.

Signature

Date
The legal instruction can be accessed on the Austroflamm GmbH home page at the following address: https://www.austroflamm.com/de/datenschutz.

START UP LOG

Start up log

Type of chimney
[ ] brick [ ] stainless steel [ ] firebrick| Flue pipe diameter:
Chimney diameter:| Draft: Actual value: Target value: >12 Pa
Chimney height:| Outside temperature during draft measurement:
Chimney flue – Approved by chimney sweep [ ] yes [ ] no| External air supply conduit [ ] yes [ ] no
Controlled living space ventilation [ ] yes [ ] no| Length:
Instructions for Operator / Customer

Instructions for handling the appliance explained clearly and comprehensibly| | Appliance test heated together with the customer|
Guarantee conditions and warranty explained| | Cleaning and maintenance interval explained|
[ ] glove [ ] operating manual handed over| | |

The customer confirms that the stove has been handed over in a fully functional state and free of defects.

Place, date

Signature Operator / Customer

Signature Technician
Final inspection
technical function
paint
cleanliness
completeness
checked by
date

Type plate (duplicate)

AUSTROFLAMM GMBH
Austroflamm-Platz 1
A-4631 Krenglbach
Tel: +43 (0) 7249 / 46 443
www.austroflamm.com
info@austroflamm.com
054028
Stand 01/2023
www.austroflamm.com

References

• Stoves from Austroflamm for your home
• Datenschutz

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