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Emergency
2.10
Suitable fire-prevention devices should be arranged for any eventuality.
In case of a fire, proceed as follows:
- Immediately disconnect the plug.
- Extinguish the fire using fire-extinguishers (powder).
- Call the fire department immediately.
- Do not use jets of waters to extinguish the fire.
3 STOVE SAFETY
Safety distance from flammable materials
3.1
To prevent the risk of fire, stove positioning must respect a minimum distance from flammable materials, according
to that given in the technical table of the manual and on the dataplate.
Pay attention to the type of floor: for delicate and flammable materials it is advisable to use plates in steel or
toughened glass as a support base (see section 2 - Transport and Installation). In case of particularly fragile objects
such as furniture, curtains or sofas, increase the stove distance considerably.
Fume exhaust safety
3.2
In normal operation the combustion chamber is in a negative pressure, guaranteeing seal against possible smoke
leaks in the room. If a certain vacuum level is not reached or the fume exhaust outlet is blocked, the vacuum switch
detects the lack of a negative pressure inside the combustion chamber or the air flow meter detects a lack of air flow
and, through the electronic controller, switches off the auger rotation motor, signalling the anomaly with a message
on the control panel 'AL8 NO NEG PRESS' or 'AL9 INSUF DRAUGHT'.
Combustion chamber overpressure safety
3.3
Any and/or sudden overpressures in the combustion fumes inside the chamber and fume exhaust ducts are
discharged by opening of the safety valves located on the heat exchanger. During normal operation these valves are
kept closed by their weight and the negative pressure in the combustion chamber, guaranteeing a seal against any
smoke escaping.
Periodically check closing, the integrity of the device and its operation.
Overheating - safety thermostats
3.4
Safety against flare-back in the pellet chute
3.5
The solutions preventing flare-back are:
►
negative pressure in the combustion chamber see par. 3.2.
►
the siphon shape of the pellet chute.
►
the hopper temperature safety see par. 3.4.
Overcurrent protection device
3.6
The unit is protected against overcurrent by 2A fuses on the power supply of the main stove switch located at the
back.
On the front and bottom of the hopper, and precisely on the pellet chute and
on the top part of the heating chamber, there are two temperature probes
connected to the respective safety thermostats that automatically shut off
the pellet supply in case of excessive heating. In this case the extractor
and/or fans continue working, allowing the stove to cool down rapidly. The
fault is displayed on the control panel with a message 'AL 7 THERMAL
SAF'. In case of activation, proceed as follows:
►
Allow the stove to cool down for at least 45 minutes.
►
Reset the thermostat by pressing the button near the switch on the back
of the stove (figure opposite).
►
Restart the stove normally.
Pellet hopper thermostat activation temperature : > 85°C
Heating chamber thermostat activation temperature : > 95°C
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