User manual HARVIA 20 BOILER

[. . . ] 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. M1/M3 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. [. . . ] 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. Therefore, 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. There is low pressure caused by an extractor fan or another device in the room. Make sure there is enough air to compensate. Several fireplaces are used at the same time. Make sure there is enough air to compensate. The smoke canals of the stove are blocked ( 2. There is lots of non-insulated wall surface in the sauna ( 1. The burning material is moist or its quality is otherwise low ( 2. The smoke canals of the stove are blocked ( 2. The burning material is moist or its quality is otherwise low ( 2. The smoke canals of the stove are blocked ( 2. Remove the small pieces of stone and stones that are less than 10 cm in diameter from the stone space. [. . . ] Connect the steel chimney's smoke pipe to the upper connection opening of the stove. If a protective cover is used around the stove, the insulation of the chimney must start from the same level as the top surface of the protective cover or underneath it. The door to the firing chamber can be installed to open either to the right or to the left. When a protective sheath or other protection is used that is not large enough to protect the inflammable materials around the stove from the heat radiation of the pipe between the water heater and smoke flue, you must install a radiation cover around the pipe. [. . . ]