Carbel A-70 Plus Manual De Montaje, Uso Y Mantenimiento página 27

- The fuel load should have the approximate weight recommended by the manufacturer for each model;
preferably in one or two pieces.
- Avoid overloading with firewood that is too thin as this can cause poor combustion. The firewood emits an
excessive amount of gas very quickly and the air supply is insufficient. Although there is a large volume of
flames, combustion it is not good, and the glass tends to get dirty. There is a danger of reaching excessive
temperatures that threaten the integrity of the wood burner and user safety.
- Select the firewood to achieve the desired type of operation. Thin firewood should be used to get higher
thermal power, use it after lighting the fire for a faster response as you need more heat.
Use larger-size, thick wood for a slower combustion when you have less need for heat or for overnight
maintenance, always preceded by a cycle of more power with thinner firewood, when the appliance
temperature is already high. If necessary, when starting the fire, burn a combination of thin and thick firewood.
- One should not open the door of the burner while it's functioning, and when reloading firewood, one
should open the door slowly in order to avoid fumes escaping from the inside of the burner.
- Do not take a long time when loading firewood and wait for the end of the combustion cycle, when the flames
of the previous load disappear.
A full combustion cycle comprises the following:
1. A short period after reloading when the wood begins to heat up without flames. The time until the flame lights
is an indication of the fireplace temperature. If you wait too long to reload firewood, the temperature falls too
low and the new load of firewood does not light well. This has a negative effect on combustion and dirties the
glass.
2. The temperature of the firewood increases rapidly, and it begins to break up, emitting gas that ignites if the
fireplace temperature is appropriate. The fireplace temperature begins to increase as the fuel emits more gas
and the flames increase.
3. After a certain period of time, which varies depending on the type of firewood, the maximum temperature
value is reached, and the gases emitted from the firewood decrease slowly along with the volume of the flames.
When the firewood gas emission is complete, the flame goes out and the firewood turns to burning embers: is
the best moment for reloading.
3 - 5. VENTILATION AND ELECTRIC CIRCUITS:
The inserts are equipped with a ventilation system consisting of two fans and a switch that has three
positions (I,0,II). The ventilation system is located in the lower part of the device.
You can vary the fan speed at any time. At a slower speed (I), operation will be quieter, and the room will
be heated gradually. When operating with a strong fire, it is advisable to adjust the fans to a faster speed
(II) to cool the wood burner and heat the room faster.
In switch position (0), the fans will be turned off, but a safety thermostat will be able to activate them at
any time if the temperature at the lower part of the stove reaches 50ºC in order to protect the electric
components.
NB To avoid overheating, the wood burner must be connected to the mains if there is a lit fire or embers.
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