8
5.3 Kindling and firing
Fireplace stoves with grate - first put crumpled paper into the chamber and then lay chopped
wood in it.
You can also use an appropriate suitable fire-lighter to start the fire. After starting fire, let
it burn freely with all air regulation elements open. It is forbidden to use flammable liquid
(oil, petroleum, etc.) for starting fire! After the fire begins to burn and the draught is strong
enough, bigger logs or wood briquettes might be added without the danger of smoke.
Continue stoking the amount of fuel determined based on the nominal output of the stove.
Warning: Fireplace doors must always be closed, with the exception of the first heating,
stoking fuel and removing ash. When the fireplace stove is not in operation for a longer
period of time, it is necessary to check that the flue pipes, chimney and combustion chamber
are clear.
In general, the heating up and cooling of the fireplace appliance is accompanied by a specific
sound; this is normal, it is the expansion and contraction of heated components.
5.4 Stoking fuel
In order to prevent smoke escaping into the room when stoking fuel, please follow the
following procedure: Approximately 5 or 10 seconds before opening the fireplace doors open
the air intake regulators and then only slightly open the stoking doors, wait for few seconds
for the exhaust gas to get sucked into the chimney and only then fully open the door. When
opening the stoking door, special attention must be paid to the danger of hot fire-brands
falling out. After stocking fuel, close the door again. After the fuel starts burning (with clear
fire), return the regulator back to its original position. The amount of stoked fuel should
correspond to an hourly consumption value for the concrete fireplace stove (see the technical
sheet).
Overheating can permanently damage the fireplace stove construction.
Warning: To prevent exhaust gas escaping into the room during stoking add fuel after its
burning down on the glowing base of the fire.
5.5 Operation during the transition period
The chimney draft (sucking exhaust gas from the fireplace stove) might be weaker during the
transition period, i.e. when the outside temperature is higher than 15°C, during rainy and
humid days or during gust airs.
During this period the fireplace stove should be operated with the minimum possible fuel so
that the fire, as well as the chimney draft could be improved by opening the air intakes.
Tip: During this period a so-called atmospheric plug can be created in the chimney mouth
due to the draft conditions. The plug can cause smoke escaping into the room when lighting
fuel. We recommend letting a piece of paper burn down preferably in the upper part of the
combustion chamber before lighting the kindling. This seemingly negligible smoke is enough
to break through the atmospheric plug. Afterwards you can freely light paper (or an appropriate
suitable fire-lighter) and be sure that even a humid chimney is clear.
5.6 Ash removal
Make sure that the ashpan is cleaned when being half full in order to prevent the ash reaching
too close to the grate and thus damaging it. At the same time the ash would block the intake
of air required for burning. Removing ash from the ashpan should be carried out when the
fireplace stove is cold and preferably ready for the next heating. A vacuum cleaner designed for
cleaning ash with a filter for small filth can be also used for cleaning the cold ashpan.
