FURNACE OPERATION
Proper burning of the furnace significantly increases the service life and reduces a risk of fire
breaking-out. A recommended heater's load is 50-70 % of its volume. The most appropriate fuel for
the furnace is dry wood of deciduous hardwood trees (birches, aspens, alders). High quality fuel
briquettes made of pressed sawdust may also be used.
It is prohibited to burn coal or peat in the furnace.
High-temperature combustion is a process directly connected with oxygen input, which is
regulated by using the air governor.
To light a furnace, put a woodpile (3-5 logs) in the burner.
Log must not be longer than the length specified in the technical specifications! This could lead to
smoking of the glass and overheating of the furnace portal.
Some time after firing up the furnace, an intensive combustion process starts, and high-
temperature gases go up through manufacturing clearances between the heater and the furnace
body as well as through the main chimney and engulf the heater in flames.
At the highest point high-temperature gases run against the top of the furnace and form a
circle around the heater, in so doing, enhancing the heating-up of the inner filling.
Oxygen, that is essential for high-temperature combustion in the lower part of the heater,
comes in directly through the boiler grate.
Proper installation of main chimney prevents flue gases from getting into the room even if the
furnace door is open.
Heating-up of the heater is directly connected to stones' (inner filling) heating-up.
Well heated heater guarantees that you'll enjoy your easy steam!
It is prohibited to light a furnace with highly inflammable liquids.
When in service, walls of the furnace and the heater can undergo a slight deformation, which
won't a ect weld's leak-tightness. This is not a spoilage.
Before lighting the furnace, make sure that there are no combustion products left in the
burner and ash box, clean them if needed.
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