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BSO

System Stoves

made in germany.


a

made in germany.

BRUNNER is a traditional family business, a leading manufacturer of wood stoves. In our HKD 2.2 cast iron stove inserts we put all the knowledge and experience as well as our own attitude that made us wide known over the recent decades — to offer the best of all fireboxes that are currently available on the market. Now, this durable firebox can be set up quickly as a true accumulation stove — available together with a complete set of cladding materials at very reasonable prices.

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BSO 01 - Unfinished thermal concrete surface with shadow joint

Contents

Page

made in germany

2

BSO 01

4

BSO 02

8

BSO 03

12

The Heat Storage

16

Comfort of Use

19

Assembly

20

Plastered walls

22

3


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BSO 01 HKD 2.2 k round with top mount heat storage

BSO 01 - Unfinished thermal concrete surface with shadow joint

a BSO 01

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Space saving. With a diameter of 65 cm this round stove has a quiet but steady appearance. The thermal concrete cladding can be extended in height.

5


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BSO 01 Dimensions & Technical Data.

The Brunner Stove System

BSO 01

Stove insert:

HKD 2.2 k round

Rated heating power

kW

7

Wood consumption

kg/h

2,5

Necessary supply pressure

Pa

12

Flue gas mass flow

g/s

7,5

Flue gas temperature behind accumulation top

°C

220

Required combustion air

m3/h

25

Combustion air connection

mm

ø 125

mm

ø 650

Cladding components: Ground area Overall height

mm

1950

Height extension ring

mm

330

Distance to adjacent wall for freestanding design

cm

5

Distance to the ceiling

cm

60

Insulation thickness for wall in direct contact with stove

cm

3

Insulation thickness for ceiling, with/ without warm air grating

cm

20/28

Air supply grating area

cm2

400

Area of warm air outlet on top cover

cm2

260

Weight of stove insert + combustion chamber

kg

192 + 49

Weight of accumulator

kg

150

Weight of cladding parts

kg

159

Total weight

kg

550

Tested according to

6

EN 13229


392

273 204

395

564

558

1752

1950

330

330

334

BSO 01

466

325

200

ø6

50

30

465

R3

650

a Useful accessories for optimized flue draught, better efficiency and beautiful fire: BRUNNER damper flap before chimney entrance. BRUNNER Sissi flap in combustion air system.

G Warm air outlet

G Combustion air connection

G Air intake

G Optional exhaust gas outlets

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BSO 02 HKD 2.2 HKD 2.2 Tunnel with top-mount storage mass

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a BSO 02

a BSO 02 Tunnel

Timeless. Accumulation stove as a square column. The most minimalistic stove design solution. Also available as a “Tunnel version� with two glazed doors front and rear.

Provided on site: Air intake at stove bottom Seating bench

BSO 02 - Plastered surface

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BSO 02 Dimensions & Technical Data.

The Brunner Stove System Stove insert:

BSO 02

BSO 02

HKD 2.2

HKD 2.2 Tunnel

Rated heating power

kW

9

9

Wood consumption

kg/h

2,5

2,5

Necessary supply pressure

Pa

12

12

Flue gas mass flow

g/s

10

10

Flue gas temperature behind accumulation top

°C

220

220

Required combustion air

m3/h

25

25

Combustion air connection

mm

ø 125

ø 125

mm

608 x 608

608 x 608

Cladding components: Ground area Overall height

mm

1950

1950

Height extension ring

mm

326

326

Distance to adjacent wall for freestanding design

cm

5

5

Distance to the ceiling

cm

60

60

Insulation thickness for wall in direct contact with stove

cm

3

3

Insulation thickness for ceiling, with/ without warm air grating

cm

16/22

16/22

Air supply grating area

cm2

400 1)

400 1)

Area of warm air outlet on top cover

cm2

215

215

Weight of stove insert + combustion chamber

kg

207 + 58

199 + 46

Weight of accumulator

kg

150

150

Weight of cladding parts

kg

259

259

Total weight

kg

674

654

EN 13229

EN 13229

Tested according to

1) Air supply opening in bottom area must be provided on site.

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205

391

394

581

575

1752

1951

326

326

326

BSO 02

466

200

608

608

460

205

391

395

575

582

1751

1951

326

326

326

BSO 02 Tunnel

466

200

608

608

460

G Warm air outlet

G Combustion air connection 608

G Optional exhaust gas outlets

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BSO 03 HKD 2.2 HKD 2.2 Tunnel with adjoining storage mass

Versatile. The adjoining heat storage and radiation wall can be used to create various forms of stove design. The heating wall can be arranged individually around the square column: flush, centered or set back. Also available as a “Tunnel version� with two glazed doors front and rear.

Provided on site: Air intake at stove bottom Seating bench

12

BSO 03 - Unfinished thermal concrete surface with shadow joint


a BSO 03

a BSO 03 Tunnel

13


a

BSO 03 Dimensions & Technical Data.

The Brunner Stove System Stove insert:

BSO 03

BSO 03

HKD 2.2

HKD 2.2 Tunnel

Rated heating power

kW

9

9

Wood consumption

kg/h

4

4

Necessary supply pressure

Pa

15

15

Flue gas mass flow

g/s

17

17

Flue gas temperature behind accumulation top

°C

210

210

Required combustion air

m3/h

45

45

Combustion air connection

mm

ø 125

ø 125

Ground area (width x depth)

mm

1438 x 608

1438 x 608

Overall height

mm

1625

1625

Height extension ring

mm

326

326

Distance to adjacent wall for freestanding design

cm

5

5

Distance to the ceiling

cm

60

60

Insulation thickness for wall in direct contact with stove

cm

3

3

Insulation thickness for ceiling, with/ without warm air grating

cm

16/22

16/22

Air supply grating area

cm2

400 1)

400 1)

Warm air outlet area for stove cover / blind cover present above accumulation block

cm2

416 / 215

416 / 215

Weight of stove insert + combustion chamber

kg

207 + 58

199 + 46

Weight of accumulator

kg

350

350

Cladding components:

Weight of cladding parts

kg

365

365

Total weight

kg

980

980

EN 13229

EN 13229

Tested according to

1) Air supply opening in bottom area must be provided on site.

e.g. center of rear panel

e.g. standing beside and flush

e.g. standing beside and set back

The adjacent accumulation block can

14

be arranged individually.


1172

1364

205

141

391

186

581

1625 575

326

326

BSO 03 low

1438

208

608

400

608

460

1172

1364

205

186 141

391

582

1625 575

326

326

BSO 03 Tunnel low

1438

208

400

608

460

Note: For the higher versions, there is an additional ring installed, 326mm high, as part of stove cladding above the firebox.

G Warm air outlet

G Combustion air connection

15


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The Heat Storage. A “true” Heat Storage or Accumulation Stove is designed to transfer the available energy of hot combustion gases into a ceramic storage container or accumulation mass. The combustion gases stream out from the firebox through the channels of a ceramic body. It was always the basic principle of true accumulation stoves and this is how all BRUNNER System stoves work. Accumulation stoves featuring the mild, long lasting heat radiation are known especially as beautiful tiled stoves — with the following advantages: m Top heating power level is a little lower than in the case of conventional warm-air or wood-burning stoves, but lasts significantly longer. m The mild radiation of heat determines the heat transfer behavior. The amount of heat taken by the storage block is radiated through the surface of stove cladding. m During combustion, the intense heat radiation through the glazed door provides fast and immediate heating effect.

BSO 3 Abgastemperatur Schornstein (°C) Exhaust temperature (ºC) Abgastemperatur (°C)

350 300 250 200 150 100 50 0 0

50

100

150

200

Time Zeit (min.) (min.)

Stove structure used for thermal imaging

End of 1st burn-up (60 minutes)

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Exhaust temperature for 1st - 3rd burn-up. Approx. 3-5 kg of wood.

End of 2nd burn-up (150 minutes)

End of 3rd burn-up (240 minutes)

...after two hours (360 minutes)


System stoves by BRUNNER offer a perfect combination of fire watching experience, fast heating effect and mild heat radiation over many hours. Based on their design principle, the BRUNNER System stoves belong to the “light-weight” type. Depending on stoking periods, the following heating power levels may be reached:

BSO 1 (recommended 2 kg of wood)

BSO 2 (recommended 3 kg of wood)

BSO 3 (recommended 4 kg of wood)

Stoking period (h)

Heating power (kW)

2

3

3

2

4

1.5

2

5

3

3.3

4

2.5

2

6.4

3

4.2

4

3.2

5

2.5

6

1.6

If a “middle-weight” or “heavy” accumulation stove is required, we recommend the choice of a handcrafted tiled stove.

BSO 02 - Unfinished thermal concrete surface with shadow joint

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BSO 01 - Unfinished thermal concrete surface with shadow joint


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Comfort of Use.

Combustion air supply can be set by hand using only one control element. It is so simple and easy as it sounds.

But who wants more, will probably choose our electronic combustion control system EAS. You just need to ignite or reload, everything else will be adjusted by electronic controls. Perfect efficiency is guaranteed, because the EAS actuator will never forget when to reduce or shut off the combustion air supply after a completed burn-up cycle. This is a great advantage, especially when you do not wish to operate the stove after fire has been lit — if you want to bed or leave the house, for example.

Electronic Combustion Control System EAS. Most important functions of a fireplace are automated.

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Assembly. With top-mount storage mass.

Installation procedure for BSO 01. Only the most important steps are shown.

The fireclay storage mass of a BRUNNER System stove is enclosed by thermal concrete cladding. In case of a top-mount storage mass, it is a modular system with doublelayered fireclay rings. The inner core design is suitable for the thermal load of a HKD 2.2 Series stove insert. Due to their design, the double-layered accumulation modules are set up without adhesives and create a tight storage block. The stove cladding consists of precisely fitted and statically stable thermal concrete with inner reinforcement. The stove insert is placed on a base plate and the remaining parts are set up according to the installation sequence shown above.

For all models except BSO 01, it must be considered that the air intake opening in the bottom area of the stove must be arranged according to optical and structural conditions on site. It must be made the same way as for the required connecting piece opening, using a cutting disc, a jigsaw or a core drill. For the machining of thermal concrete cladding we recommend diamond-tipped tools (drills, jigsaw blades, core drilling crowns and files).

Air intake

If the stove shall have external air supply, it has to be provided directly after the installation of the stove insert is completed. BSO 01 with top-mount storage mass, consisting of double-layered, spiral modules.

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With adjoining storage mass.

Ceramic connection for high thermal loads Gas slit

Temperature resistant connection pipe to storage block Flue connecting piece (provided on site)

Cleaning access

Installation procedure for BSO 03. The most important steps are shown.

The stove insert, the external cladding and the storage block are placed on base plates. Both plates must be first laid on a plane surface and properly aligned. Then the components of the storage block and the stove cladding are assembled. The molded bricks of the free-standing heat storage mass consist of a fireclay compound. They are assembled together with the supplied grouting (Orfix). The materials of the storage block will reach their final strength after the initial burn-up procedure. A stove with the free-standing storage block has to be completely covered up to ensure longer storage times. The openings for both connecting pieces are prepared with a cutting disc, a jigsaw or a core drill.

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Plastered walls. Our Recommendation: For the plastered walls of our stoves we offer a specially developed, high temperature resistant plastering system. First, the concrete cladding surface must be cleaned with abrasive paper. When the surface is smooth and free of dust, a glassfiber mesh is laid using the ORTNER “Creme” adhesive mortar. The glassfiber mesh serves as reinforcement for the thin plaster. The working procedure is limited to applying two layers only: m The contact & embedding layer for the glassfiber mesh laid on thermal concrete (2 - 4 mm). m The clean or final layer (1 - 4 mm thickness). The surface can be finished with different techniques including rubbed or solid plaster finish. The natural colour tone after drying out is clear white. Painting is allowed, but only with acceptable painting materials for heated walls.

Caution: m Plastered walls must be free of dust and roughened m Never use polymer modified paints, latex paint etc.

Glassfiber mesh, mesh size 6 mm

"Creme" adhesive mortar, 20 kg 0 - 1.2 mm (natural base materials, fiber-reinforced with no synthetic components, neutral odour)

Other finishing techniques including our “Glattspachtelputz” or “Modellierputz” plaster mixtures are only allowed with “Haftmörtel Grey” mortar and glassfiber mesh. Please follow the manufacturer's instructions (see product data sheet)! Note: For BSO 3 with plastered finish, the connection between the stove body and heating wall must be left as "shadow joint" (risk of cracks and fissures).

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BSO 02 - Plastered surface


System Stoves by BRUNNER. There is no better way to build a heat storage stove quicker and cheaper. Exactly dimensioned thermal concrete components make it possible to build a completely finished stove within a few hours. Form and design of these stove construction sets ensure best functionality and safe installation at minimal space requirements.

Form:

simple, geometric bodies

Finish: unfinished concrete look, grey with shaded joints (exposed concrete class 2-3) plastered surface/individual painting

Technics: BRUNNER HKD 2.2 Series cast iron stove inserts with room-dependent or external combustion air supply

Storage mass:

top-mount or adjoining storage modules

Provided on site: insulation of ceiling for room-high structures arrangement of air intake/warm air outlets according to optical and room-dependent conditions

made in germany. Ulrich Brunner GmbH Zellhuber Ring 17 - 18 D-84307 Eggenfelden Phone: +49 / (0)8721 / 771-0 Fax: +49 / (0) 8721 / 771-100 info@brunner.de · www.brunner.eu BRUNNER products are offered and sold only by qualified dealers and service centres. Subject to technical and assortment changes. Errors excepted. Status 07/2012 · Ver. 1.0 · BRU1086 · 5K · atwerb.de

BSO 03 - Unfinished thermal concrete surface with shadow joint


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