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thermostatic regulator to choose the right quantity of combustion air.
• Over the ash box there is a slot opening (see Fig. 26 page 26) which allows the entry of additional air for
starting up or to revitalise the fire for cooking (the water temperature must not exceed 90°).
EN
11.7.2
HEATING-COOKING NORMAL
• Once ignition is completed, turn the smoke buffel (see Fig. 28 page 27) to vertical position (A) to exploit the
must of boiler's power to central heating (even for normal coocking and oven baking).
• Verify the inthernal deflector is en right positions as shown (see Fig. 31 page 29). In this position, the smokes
turn is longer allowing a better thermal exchange to central heating and plate cooking.
• Also the oven will be regularly heated.
• Turn the thermostatic regulator (see Fig. 27 page 27) to choose the right quantity of combustion air,
increasing or decreasing the combustion speed. The thermostatic regulator will automatically works based
on the boiler water themperature avoiding fuel waste and avoiding water overtemperature.
11.7.3
HEATING-OVEN BAKING HIGH TEMPERATURE
• Once ignition is completed, turn the smoke buffel (see Fig. 28 page 27) to vertical position (A) to exploit the
must of boiler's power to central heating and also for plated cooking and oven backing.
• Verify the internal deflector is in right positions (see Fig. 32 page 29). In this position the smokes turn is better
exploited for the oven heating, and mean while it will be lower the thermal axchange to boiler's water and
to cooking plate.
• The oven temperature, may be increased or decreased, by the logs size or by elevating the fire room grid.
To increase or obtain a better combustion, it's possible to turn the hand-valve under the loading door.
IMPORTANT: when cooking, make sure that the system circulating pump is running. When the pump is not running,
it is necessary to use the heat produced by means of a cilinder for domestic hot water production of warm water,
making sure that its pump is running. Failure to comply with the above indications, will result in boiling of the
water in the boiler, thus causing irreversible damages to the boiler.
11.8
SUMMERTIME OPERATION
If the boiler is merely used to have hot household water, strictly follow the instructions below:
1 - Only use very dry wood.
2 - Fill the system with small quantities of wood and repeat the operation as needed.
Never fill the boiler with great quantities of wood, to obtain long autonomy of operation.
In such a way, much acid condensation forms inside the wood store chamber, causing corrosion of the steel
plates.
11.9
SPRING AND AUTUMN OPERATION
In spring and autumn, fill the system with the quantity of wood that is actually required.
11.10
FUEL LOADING
When there start to be less fuel in the furnace, it is possible to load again the furnace, filling it up to the upper
glass level. Before loading check if it is needed to move the embers with the dedicated tool, just to make them
more compact. while loading the furnace dont put the logs too tight.
30
After starting up or filling the system, always close the filling door.
To move the buffel, use the dedicated tools and remind to close the rings
If one gets smoke leackage during ignition (for ex. from coocking rings), this indicate loss of
flue drought (see CHIMNEY FLUE CONNECTION page 10)
DEMETRA
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