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Johanna

  

 
 
 
 
 
 
1.4 Permissible and non-permissible fuels

  

 
Permissible fuels are natural-type  logs  of wood, dry  and resin-free (beech,  oak  and  birch),  20-25 cm  long. The  wood 

should  be  seasoned  for  at  least  two  years;  the  maximum  recommended  moisture  content  is  20%,  in  order  to  ensure 
combustion without smoke and soot. 

Do not use:  

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coal dust; 

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thinly cut pieces of wood (permissible only in the lighting stage); 

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bark and chips; 

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waste in general; 

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treated paper and cardboard; 

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wood treated with protective substances. 

The burning of waste is prohibited according to European and national laws. 

 

The  burnt  gases  produced  by  the  combustion  of  unsuitable  materials  can  cause  damage  to  the  stove  and 
flues, and compromise your health. 
The use of any fuel not complying with that specified above invalidates the warranty. 

 
1.5 Accessories supplied 

The supply includes: instruction manual, poker, protective glove for hot handles. 

  

 

1.6 Reference standards

 

 

EN  12815

  :  European  standard  for  solid  fuel  burning  stoves,  containing  the  technical  requirements  for  design, 

manufacture,  construction, safety  and  performance,  instructions  and  markings,  together  with  the  relevant  type  testing 
methods. 

UNI  10683/98: 

  Standard  prescribing  the  installation  requirements  for  heat  generators  or  appliances  also  intended  for 

cooking  food,  such  as  stoves  and  heating  stoves  with  natural  draught  on  fume  side  and  forced  draught  with 
thermochemical power of <35kW burning natural wood.   

 

 

1.7 Dataplate 

 

The dataplate is located on the back of the stove. It contains the following data: 

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model; 

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serial number;

 

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type of fuel;

 

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heat output;

 

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max. consumption;

 

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min. flue draught;

 

-         average flue gas temperature; 

 

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efficiency;

 

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flue pipe size;

 

-         stove external dimensions;

 

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minimum safety distance;

 

-         weight. 

 

 
 
 
 
 
 
 
 

Summary of Contents for JOHANNA

Page 1: ...Installation use and maintenance manual JOHANNA JOHANNA SX model wood burning stove Read the instructions carefully before installation and startup 48 41 30 051 07 09 ...

Page 2: ...entilation 2 5 Advice on flues and connections 3 STOVE USE 3 1 Introduction 3 2 Startup 3 3 Lighting and controlling the fire 3 4 Adjusting the combustion air 3 5 Normal operation 3 6 Operation with slow combustion 3 7 Operation in off season 3 8 Oven operation 3 9 Idle period and summer 4 ROUTINE STOVE CLEANING AND MAINTENANCE 4 1 Ash removal 4 2 Cleaning the glass 4 3 Stove cladding maintenance ...

Page 3: ...Do not use flammable liquids or substances alcohol hydrocarbons to light the stove Only use fuels having the characteristics described in this manual Never block the combustion air inlet and outlet openings Do not handle easily flammable or explosive substances near the stove while it is operating Never use the stove with the fire door or ash door open During operation the intense heat generated b...

Page 4: ...Radiant hotplate in cast iron with chromed steel handrail L x D 900x600mm Fire door H x W 220x240 mm Combustion chamber in 60 mm thick refractory material Oven In stainless steel H x W x D 260x340x500 mm Nominal power 12 kW Efficiency 70 79 Wood consumption 5 050 kg h Flue pipe 150 mm Fume outlet Top rear with modification Max fume temperature 293 C Average CO content at 13 O2 0 232 Required draug...

Page 5: ...4 Johanna Fig 1a JOHANNA stove dimensions ...

Page 6: ...5 Johanna Fig 1b JOHANNA SX Stove dimensions ...

Page 7: ...secondary air is fully open and in position Z it is closed 1 3 7 Cast iron hotplate G The cast iron hotplate has concentric rings of max diameter 320 mm in the fire zone and a rectangular plate for possible insertion of a tank containing water The rings can be removed using the poker to inspect the firebox or for inserting cauldrons 1 3 8 Baffle control lever H By turning the lever located on the ...

Page 8: ...cified above invalidates the warranty 1 5 Accessories supplied The supply includes instruction manual poker protective glove for hot handles 1 6 Reference standards EN 12815 European standard for solid fuel burning stoves containing the technical requirements for design manufacture construction safety and performance instructions and markings together with the relevant type testing methods UNI 106...

Page 9: ...ion of a heating stove depends above all on its installation which must be carried out by a competent person in compliance with the current safety regulations An incorrectly installed stove can be the cause of serious accidents flue insulation materials etc catching fire The sides and back must be at least 20 cm from flammable materials If the floor is made of flammable material wood carpets etc p...

Page 10: ... ostacolo se questi si trova ad una distanza inferiore ai 10m fig 3 Chimney cap positioning and distances UNI 10683 98 tables Before connecting a heating stove to an existing chimney in addition to complying with that described above make sure there are no openings or cracks where air could enter and cause a temperature decrease affecting the draught Also make sure there are no hindrances caused b...

Page 11: ...owly and the sealants and putties dry During the heating and cooling cycles the combustion chamber in refractory cement undergoes heat stress and expansion which causes fine cracks to form Such cracks do not affect stove efficiency or its service life 3 3 Lighting and controlling the fire To light the fire it is advisable to use small sticks of wood and newspaper or other means available on the ma...

Page 12: ...is lit for the first time the oven should only be used after 1 2 hours operation at 200 250 C with the oven door left ajar to eliminate fumes produced by manufacturing process residuals such as grease oil and sealants To reach adequate cooking temperatures make sure the damper lever is in position A and if necessary increase the primary and secondary air Clean the oven every time it is used follow...

Page 13: ...e to apply a film of olive oil or neutral vaseline on the cast iron hotplate to protect it 4 5 Cleaning the oven It is advisable to clean the oven when half cold or cold and every time after it is used in order to prevent grime forming on the surfaces To clean the stainless steel surfaces of the oven use a non abrasive detergent with a soft cloth rinsing thoroughly to remove all traces of detergen...

Page 14: ...e primary air grille Make sure combustion residuals do not block the flue pipe Make sure the primary air control is open 5 4 The glass gets dirty quickly Make sure the fuel is of a recommend type Make sure the wood is seasoned and dry Too much fuel in the combustion chamber Make sure the secondary air control is correctly adjusted Check the flue draught 5 5 Condensate in combustion chamber Make su...

Page 15: ...14 Johanna The product warranty is cancelled in case of any problem breakage or accident due to non compliance with the instructions given in this manual ...

Page 16: ...given only by way of example 6 2 CE marking information CE MARKING INFORMATION ref JOHANNA JOHANNA SX 07 EN 12815 Solid fuel burning appliances Distance from flammable materials Rear right left side floor 200 200 0 mm CO emission in fumes 0 232 Max permissible water pressure bar Flue gas temperature 293 C Nominal heat output 12 kW Efficiency 70 79 Type of fuel Wood logs Wood consumption 5 050 kg h...

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