User manual HARVIA 20 SL

[. . . ] The Harvia sauna stove works best and serves you longest when it is used and maintained according to these instructions. Read the instructions carefully before installing or using the stove. Keep the instructions for future reference. Rated output (kW) Nennleistung (kW) Sauna room volume (m³) Volumen der Saunakabine (m³) Required temperature class of chimney Erforderliche Temperaturklasse des Rauchfangs Diameter of connection opening (mm) Durchmesser der Anschlussöffnung (mm) Stone quantity (max. [. . . ] - Excessive draught will cause the stove body to become red-heated, which will shorten its life span considerably. - During bathing, and when the sauna room is already heated, the ash box can be closed to keep down the fire and decrease wood consumption. If necessary, place more firewood into the fire chamber when the ember is dying down. Use firewood with a diameter of 12­15 cm. It takes only a couple of pieces of wood to maintain the bathing temperature. Prolonged, intense heating may cause risk of fire! excessive heating (several full loads in a row , for example) will make the stove and the chimney overheat. Overheating shortens the stove's life span and may cause risk of fire. A good rule of thumb is that temperatures of over 100 ºC are too high in a sauna. observe the correct wood quantities noted in the heating instructions. Let the stove, chimney and sauna room cool down if necessary. The water that is thrown on the stones should be clean household water. Make sure the water is of high enough quality, because water containing salt, lime, iron or humus may prematurely corrode the stove. Especially seawater will corrode the stove very rapidly. If you throw water on the hot steel surfaces, they may blister due to the large temperature variation. The ash box should always be emptied before heating the stove so that the combustion air that is lead through the box would cool off the fire grate and lengthen its life span. Get a metal container, preferably standing model, to put the ash in. As the removed ash may include hot embers, do not keep the ash container close to combustible material. Soot and ashes gathered in the smoke canals of the stove should be removed occasionally through the soot openings ( 1. They should be rearranged at least once a year or even more often if the sauna is in frequent use. At the same time, any pieces of stones should be removed from the stone space, and disintegrated stones should be replaced with new ones. Wipe dust and dirt from the stove with a damp cloth. [. . . ] The floor glues and plasters and waterproof materials used below the tiles are not resistant to the heat radiation of the stove. Protect the floor with the Harvia protective bedding (WX018) or similar heat radiation protection. Floor in front of the stove door made of inflammable material. Install floor protection made of nonflammable material. [. . . ]