ments set out in this manual) can cause
harm to people, animals or property. In
such cases Ungaro is absolved from any
civil or criminal responsibility;
• Hopper lid must be easily accessible to
fill the pellets;
• Do not block or reduce the primary air
inlet, as this is essential for correct com-
bustion;
• Check the chimney for obstructions be-
fore lighting the appliance;
• The safety or control devices must not
be modified without the specific autho-
risation of the manufacturer. Failure to
heed this warning will void the warranty,
with the manufacturer declining all rela-
ted liability;
• The appliance is designed to operate in
any climatic conditions, as long as it is
not exposed directly to the weather. In
the event of particularly harsh conditions
(strong winds, frost,...), safety devices
may be activated to switch the heater
off. Should this occur, contact technical
service and under no circumstances di-
sable the safety devices;
• The appliance is not intended to be used
by people of diminished physical, sen-
sorial and mental capacity, including
children, or people with insufficient ex-
perience or knowledge;
• Children must be supervised to ensure
they do not play with the appliance;
• Do not remove the protective grille from
the pellet hopper;
• The appliance must not be used as an
incinerator;
• Do not open the boiler door during its
operation;
• The thermostove/boiler must not be
used as a cooking appliance.
2.1 Electrical Safety
The appliance must be connected
to an electrical system which is
equipped with an earth conductor,
as laid down in directives 73/23
EEC and 93/98 EEC.
• Make sure the power plug is accessible
after installation of the appliance;
• The power cable must not be in contact
with hot parts;
• Do not pull, twist or disconnect the elec-
tric cables of the boiler/thermostove
even if power supply is disconnected;
• Do not wash the appliance with water.
The water could get inside the unit and
damage the electrical insulation and
cause electric shocks;
• Variations in power supply voltage in
excess of 10% of the rated value may
affect the correct operation of the ap-
pliance and can lead to serious faults
within boiler electrical system.Use unin-
terruptible power supply with frequency
50Hz and pure sine wave or pseudo sine
wave;
• In case of alarm don’t shut the appliance
down, turn it off only if signal “off” appe-
ars on the display.
The appliance must be connected
to an electrical system which is
equipped with an earth conductor,
as laid down in directives 73/23
EEC and 93/98 EEC.
2.2 Operating Warnings
• During the first two or three ignitions
vent the room several times;
• Pellets must not be fed manually into the
burning pot;
• Filling the hopper with pellet make sure
that the plastic bag doesn’t come into
contact with the hot surfaces;
• Un-burnt pellets accumulated in the
burning pot must be removed before re-
lighting. Not observing this may cause
detonation in the combustion chamber
with harm to people, animals or proper-
ty;
• Do not touch the boiler/thermostove
with wet hands or bare feet in view of
the fact that it is an electrical appliance;
• Avoid coming into contact with the hot
parts of the appliance;
• Do not stand for a long time in front of
the hot air vent (if the model has forced
hot air);
• Do not expose plants or animals directly
to the hot air flow;
• Do not light the appliance with flamma-
ble materials. If the ignition system bre-
aks down, please contact the Technical
Support in your area.