background image

 

The flames reach into the connecting pipe, which is red hot, although the lower end of the stove 

within the mantle is not red. See chapter 3.3. about draught adjustment and heat output. 

Is the draught too weak? 

See chapter 3.3. about draught adjustment. 

Correct amount of stones? 

The stones should reach up to the edge of the stone compartment at the edges and be heaped 

up only by half a stone in the middle. 

Are the stones packed too tight? 

The stones need to be stacked in such a way that there is enough air between them. See 

chapter 2.2. “Stones and their arrangement”. 

Are the stones good quality and the correct size? 

Suitable stones are peridotite or dunite of a length of over 10 cm and not too flat. 

. Flat stones are placed in an upright position

 

 

The sauna does not get hot enough.

  

All doors and windows must be closed, and air conditioning must be turned off. Combustion 

air inlet is open

.

 

Is the sauna new or the wooden structure otherwise moist? 

For instance, a new log cabin sauna warms up properly past 80

o

C only after a year. 

Is the stove properly heated? 
Has the stove been fired sufficiently? 

Burn according to instructions. 

You should burn at least one compartment full of split, dry logs according to instructions. 
Is there too much draught? 

Adjust draft using the damper. 

The flames reach into the connecting pipe, which is red hot, although the lower end of the 
stove within the mantle is not red. See chapter 3.2. about draught adjustment and heat 
output. 

Is the draught too weak? 

See chapter 3.2. about draught adjustment. 

Has the heater been sized correctly?  
Is the stove too big for the sauna? 
Is the draught height (chimney height) sufficient with regard to the environment? 

Nearby trees, a steep hill etc. requires more than 3.5. meters as measured from the chimney 

floor. 

Correct amount of stones? 

The stones should reach up to the edge of the stone compartment at the edges and be heaped 

up only by half a stone in the middle. 

Are the stones packed too tight? 

The stones need to be stacked in such a way that there is enough air between them. See 

chapter 2.2. 

Are the stones good quality and the correct size? 

Suitable stones are peridotite or dunite of a length of over 10 cm and not too flat. 

The sauna heats up quickly, but the stones remain cool. 

Correct amount of stones? 

The stones should reach up to the edge of the stone compartment at the edges and be heaped 

up only by half a stone in the middle. 

Are the stones packed too tight? 

The stones need to be stacked in such a way that there is enough air between them. See 

chapter 2.2. 

Is the stove too big for the sauna? 

Keep the ventilation valve open to remove excess heat, which gives the stones time to warm 

up as well. This will extend the heating period slightly. 

Are you heating the sauna correctly? 

Read chapter 3 of these instructions carefully. 

14

 

Summary of Contents for Karhu PK Series

Page 1: ...KASTOR KARHU PK PK series wood burning sauna stoves installation and usage manual Karhu PK 007 12 16 20 27 37 18 ES 20V 27V 27ES 37V and JK models 1...

Page 2: ...ly in KARHU models 2 5 2 KARHU JK heaters with an extended fire door 2 5 3 Installing through the wall and fitting the front frame JK models 16 20 27 37 2 5 4 Connecting from the top KARHU and KARHU J...

Page 3: ...le material procured from reliable suppliers we have gathered over the years The steel is Finnish structural steel from Ruukki which can be bent into various solutions while retaining its hardness due...

Page 4: ...nsported in an upright position All sticker labels and packaging material must be removed before the heater is used Type plate and the CE marking must not be removed The ash pan must be closed during...

Page 5: ...her flammable material on the heater is forbidden due to fire risk In order to guarantee full power and safety the fire door must always be kept shut when heating The fire door can be open when heatin...

Page 6: ...e no more fumes rising from the stove Once the stove has cooled down after the burn in move it into the sauna See to it that the sauna is well ventilated during the first couple of heating 2 1 2 SIDE...

Page 7: ...ot give a general rule of thumb you will find the right mix by trial and error For the stove s proper functioning it is essential that the hot air circulates between the stones to heat them quickly If...

Page 8: ...2 Reduction of safety distances Kastor protective walls and a stand are available picture 7 2 3 The chimney s isolated part must reach the protective wall Other protection is not needed If the sauna...

Page 9: ...oor extension The fire protection measures on the door side must also adhere to the instructions in chapter 2 3 By adding fireproofing the stove and its door extension may also be installed on wooden...

Page 10: ...a factory built Kastor chimney check 2 4 Make sure to choose the correct chimney type with regard to your stove model chimney height temperature class T 600 exterior circumstances etc For best results...

Page 11: ...chimney might suffer damage Do not throw water directly at the glass door The stove s operating life shortens if it is constantly heated to a red glow The stove s working life will be shortened signif...

Page 12: ...tove constantly to a red glow 3 4 Lighting Place small logs into stove parallel to the grate Amounts and total per table 2 Add kindlings under the logs and light them You can keep the fire door open f...

Page 13: ...a fails to work as you think they should go through the following check list First to make sure you have chosen the correct stove for your sauna s requirements look through the stove choosing instruct...

Page 14: ...connecting pipe which is red hot although the lower end of the stove within the mantle is not red See chapter 3 2 about draught adjustment and heat output Is the draught too weak See chapter 3 2 about...

Page 15: ...is a smell of sulphur in the sauna Traces of sulphur have remained on the stones from the quarry s explosion or the stones are naturally sulphurous 6 Manufacturer s declaration www helo fi DoP This pr...

Page 16: ...16...

Page 17: ...17...

Page 18: ...ana Kuva 1 1 Mutteri 2 Vesis ili 3 Tiiviste 1 4 Vaippa 5 Tiiviste 2 6 Vipuhana Kran till vattenbeh llare Bild 1 1 Mutter 2 Vattenbeh llare 3 T tning 1 4 Mantel 5 T tning 2 6 Kran Water tank tap Pictur...

Page 19: ...Aseta kivet niin ett kivien v liin j riitt v sti ilmaa Placering av bastustenarna genomsk rningbild av ugnens stenmagasin Placera bastustenarna p plats s att det blir tillr ckligt med luft mellan ste...

Page 20: ...the Kastor protective stove base Kastor Kastor A Karhu 007 PK 105mm Karhu 12 PK 110mm Karhu 16 PK 120mm Karhu 20 PK 120mm Karhu 27 PK 125mm Karhu 37 PK 125mm Kuva bild picture p 2 3 Kastor kiukaan ase...

Page 21: ...tenen Anslutning av ugnen ovanifr n till Connecting the stove from the back to a brick chimney tegelskorstenen Connecting the stove from the top to a brick chimney Kuva bild picture p 2 6 Liitt minen...

Page 22: ...1 Savupeltilaite R kspj ll Chimney valve device 22...

Page 23: ...fr n ugnen A Det oisolerade f rbindelser ret uppifr n n r det kopplas till br nnbart material fr n f rbindelser rets yta till sidan 400mm upp t 400mm B Ugnens avst nd fr n br nnbart material till sid...

Page 24: ...A 400 400 B 500 C 50 D 500 E 50 F 400 Kuva bild picture p 6 Kuva bild picture p 7 24...

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