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embers should not be heaped over the grate in an even layer because it would significantly reduce the flow
of air from under the grate and result in a build-up of gas in the hearth chamber and in the whole insert,
which might lead to an explosion;
wooden logs in the combustion chamber should be arranged in parallel to the plane of the door;
before loading the hearth with a new portion of wood, remove ash from the grate and empty the ash pan if
necessary.
Fig. 11. The way of placing embers and adding wood; 1 - grate, 2 - embers, 3 - wood chips.
7.2.1
Preventing the escape of combustion gases
To prevent the escape of combustion gases from the insert to the room during the opening of the door, it is
recommended to:
set the primary air regulator in the fully open position for about 10 seconds before opening the door (the
lever of the throttle maximally extended);
open the damper valve of the combustion gas throttle in the flue (if such a valve is installed in a given
insert);
move the door slightly partly open, wait a few seconds (until combustion gases disperse) and then slowly
open the door of the insert;
exercise caution when opening the door and after opening it because burning pieces of wood may fall from
the hearth;
after adding an appropriate quantity of fuel, close the door of the hearth;
when the fuel is well alight, set the air regulator in its original position;
the optimum amount of fuel is specified in table no. 1;
NOTE:
Take care not to overload the insert with fuel. Overloading may cause permanent damage to its structure.
7.3
Keeping the glass pane clean
The cleanliness of the glass pane depends on using appropriate fuel, as well as on:
supplying a sufficient quantity of air for the burning process;
optimum chimney draught;
the method of operating the fireplace insert;