Altech Vision Mode D'emploi page 23

- Build a pyramid around the fire lighters using 8 to 10 pieces of kindling which are
approximately 2 cm thick and 25 cm long.
- Check whether the secondary valve on the right-hand side is fully open (see figure E).
- Open the by-pass valve (see figure F).
- The primary valve must be fully open (see figure B).
- Open the window's aeration handle (see figure G).
- Check whether the ash pan's door is fully closed.
- Light the fire lighters and close the doors (side door and front door).
Adding wood
Wood may be added to the stove once the kindling has been burnt and has formed a
glowing mass.
- Open the by-pass valve.
- Fill the stove (via the front or side door) with 2-4 blocks of wood which weigh no
more than 1 kg each.
- Close the door.
- Close the by-pass valve.
- If, after some time, the room temperature or the smoke temperature is too high, you
can partly close the primary valve until the correct temperature has been reached.
- Leave the handle of the primary valve in this position so that the stove can control
the air supply itself.
- You can control the stove further by partly closing the window's aeration handle.
There is, however, a chance that a deposit will form on the window if the handle is
closed too far (see figure G).
- Before adding more wood to the stove, wait until there are no longer any flames and
only a glowing mass remains.
The temperature of the smoke must not exceed 250° C.
Burning a fire during the period of transition
During the period of transition (when the outdoor temperature is higher), a higher outdoor
temperature may affect the pull of the chimney, which in turn will cause smoke to escape
from the stove. This can be prevented by burning the stove with a larger flame. A larger
flame with the same heat production can be achieved by filling the stove more often
with a smaller quantity of wood and by burning the wood whilst the air valve is opened
further. The fire should then also be stoked more often, particularly if it consists of a large
quantity of glowing ash.