Brunner KSO Manuale utente
User Guide
KSO
©2023
CONTENTS
1 Note to the ceramic glass pane................................... 4
2 Safety precautions.........................................................5
3 Device description.........................................................9
4 Basic rules for operation............................................ 10
5 Firewood and heating power......................................15
6 Description of parts.....................................................18
7 Adjusting of combustion air.......................................18
8 Lighting the fire in a cold fireplace............................21
9 Stoking up in a warm fireplace.................................. 22
10 Cleaning........................................................................ 23
11 Disposal........................................................................ 27
12 Troubleshooting...........................................................28
13 Note............................................................................... 30
2 User Guide KSO (1.12) © 2023 Brunner GmbH
Please read the entire User Guide before lighting the fire for the first time.
In particular, please note the safety precautions in this manual.
The intended use is provided if the operation specified in these instructions
is observed.
The non-observance of installation and operating instructions will void the
warranty. Any constructional modifications made by the system operator
are not allowed!
Installation must be carried out by an authorized stove-fitter, because safe-
ty and efficiency of the system depend mostly on proper installation of the
product. All valid stove fitting rules and regulations of building law must be
observed and followed.
This fireplace is subject to the provisions of BImSchV (Federal Emission
Protection regulation).
Necessary national and European standards and local regulations must be
observed.
Please follow the relevant regulations of your country. In case of doubt,
check the valid conditions for the operation of fireplaces in your local area.
Subject to technical changes!
Please keep the User Guide for future reference!
For an extended product waranty and a good processing of spare parts de-
liveries, we recommend carrying out the BRUNNER product registration on
(www.produktregistrierung.brunner.de).
© 2023 Brunner GmbH User Guide KSO (1.12) 3
1 NOTE TO THE CERAMIC GLASS PANE
BRUNNER uses only high quality glass ceramic.
In a special manufacturing process, the glass panes become cerammed
and acquire their unique features.
During this process, it is technically not possible to exclude all optical im-
pairments (fine scratches, solid in-clusions, tiny air bubbles)*) .These must
be accepted as results of current technology status, and cannot be consid-
ered as reasons for complaint.
*) - max. 3 air inclusions or solid inclusions < 4mm are accepted, however,
no air inclusions protruding to the glass surface with opening larger than
1mm.
- décor defects smaller than 1mm are allowed as manufacturing toler-
ances.
4 User Guide KSO (1.12) © 2023 Brunner GmbH
2 SAFETY PRECAUTIONS
First start-up
The paint coat of the stove is not completely hardened before
reaching normal operating temperature for the first time. Smoke
emissions and unpleasant odours cannot be excluded. There-
fore, provide sufficient ventilation of the room when lighting the
fire. Open all doors and windows, use an electric fan if neces-
sary, to ensure faster air exchange within the room. During first
operation try to avoid staying in this room for too long, if possi-
ble.
Fireplace/stove door
The fireplace door should be opened only for loading firewood
or cleaning. When the fireplace door is opened, other fireplaces
connected to the same chimney might be affected. Under cer-
tain circumstances this can lead to risk of flue gas poisoning.
The fireplace door must stay closed even if the fire is not burn-
ing.
Combustion air supply
Structural installations for combustion air supply must not be
changed. Regular checks must be carried out to ensure that
they are functioning properly.
© 2023 Brunner GmbH User Guide KSO (1.12) 5
Permitted fuels
Only use the fuels named in the instructions, in the quality and
size specified there. Other fuels are not permitted.
Risk of burns
External surfaces of the fireplace, in particular the glass door,
may get very hot. Do not touch - risk of burns! Remember to
warn your children about this. Basically, children should stay
away from a burning stove.
Always use the supplied operating tool/protective glove for oper-
ation!
Fire hazard
Distance to the cladding
Objects made of flammable materials may not be placed on
available surfaces of the fireplace.
Flammable textile fabrics must have a minimum distance of 5
cm from the vertical surfaces of the fireplace.
Air gratings
Do not close or cover up the warm air vents of your fireplace.
Risk of fire or overheating!
6 User Guide KSO (1.12) © 2023 Brunner GmbH
Prohibited fuels
Never use substances as petrol or alcohol to light a fire!
Unsuitable type, qualitiy or quantity of fuel can lead to damage.
Remove cold ashes
Remember to remove only cold ashes from the fireplace. For
your own security, store the ashes in a fire-resistant container
for at least 24 hours before you dispose of them.
Chimney fire
In case of fire call the fire brigade immediately!
In the case of chimney fire move all flammable parts and ele-
ments away from the chimney.
Cleaning and maintenace
The functionality and safe operation of the fireplace depend on
regular cleaning and professional maintenance.
© 2023 Brunner GmbH User Guide KSO (1.12) 7
Fireplaces with electronic control units
After closing the fireplace door a message must be displayed,
informing that the combustion has been started (see User Guide
of the control system)! If this is not the case, the door contact
switches are defective! Risk of deflagration! Consult your stove
fitter and follow the instructions in chapter “Manual adjusting of
combustion air in the case of emergency” of the User Guide for
the control system.
Heat radiation range
Flammable objects of any kind must be kept outside the heat ra-
diation range of 80 cm in front of the glass door! Fire hazard! Do
not leave any flammable objects in front of the fireplace door. In-
side the heat radiation range no objects with flammable parts are
allowed.
8 User Guide KSO (1.12) © 2023 Brunner GmbH
3 DEVICE DESCRIPTION
The KSO is a storage stove designed for
wood fuel for heating residential units. The
heat generated during combustion is ab-
sorbed by the ceramic components and
given off to the room mainly as radiant
heat via the stove shell. The period of heat
emission is significantly longer than the
heating process, referred to below as “stor-
age tank loading”.
The stove consists of a combustion cham-
ber with a top-mount accumulator, which is
encased by cladding elements. Combus-
tion chamber and top-mount accumulator
are made up of two shelled molded parts
made of high-quality materials.
The cladding can be designed in different
shapes and made of different materials.
High-quality cast iron and special glass ce-
ramic are used for the combustion door.
The KSO is available with manual combustion air adjustment and - op-
tionally - the electronic combustion control EAS. If the device is operated
with EAS, the instructions for EAS must also be observed.
© 2023 Brunner GmbH User Guide KSO (1.12) 9
4 BASIC RULES FOR OPERATION
The service life and functionality of the heating insert depend on correct as-
sembly, proper operation and regular care and maintenance.
The fireplace doors should be opened only for loading firewood or clean-
ing. BRUNNER heaters are designed and optimized for closed operation.
When the fireplace door is open, other fireplaces connected to the same
chimney might be impaired. Under certain circumstances this could lead
to a risk of flue gas poisoning. The fireplace door must always stay closed,
even if the fire is not burning.
Avoid overheating the device! The oven will overheat if it is loaded with
more than the specified maximum amount or if sufficient heating pauses
are not observed.
Stoves and fireplaces from Ulrich Brunner GmbH are designed for period-
ic burning. It means that always a minimal amount of firewood has to be
loaded and the combustion air must be adjusted according to the following
instructions. Insufficient volumes of combustion air will lead to higher emis-
sions and increased staining of the glass door.
Avoid risk of overheating! If the stove temperature is often too high, this
can cause discolorations, especially in the case of stainless steel frames.
Such defects do not constitute a reason for a claim.
Stoking wood
For stoking up we recommend to use a protective glove or the “cold
hand” (delivered with some models), because the door handle gets very
hot after several hours of burning. Open the door slowly. This will avoid
turbulences, which could draw the smoke into the room. The right time for
stoking up is when the wood turned almost completely into glowing em-
bers.
10 User Guide KSO (1.12) © 2023 Brunner GmbH
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