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IMPORTANT

Before using the space heater, carefully read all of the instructions and follow them scrupulously.
The manufacturer cannot be held responsible for damage to persons and/or property caused by improper use of
the equipment.
This instruction manual is an integral part of the equipment and must therefore be stored carefully and passed on
with the unit in the event of a change of ownership.

GENERAL RECOMMENDATIONS

The space heaters run on diesel fuel. Direct combustion

versions send hot air and combustion products into the room,
while indirect combustion versions are fitted with a flue to
discharge the fumes through the chimney.

Always follow local ordinances and codes when using this

heater:
• Follow the instructions in this booklet very carefully;
• Use only in places free of flammable vapours or high dust

content;

• Keep inflammable material at a safe distance from the heater

(minimum 3 metres);

• Make sure fire fighting equipment is readily available;
• Ensure that the machine resting surface or ground is not made

of flammable material;

• Make sure sufficient fresh outside air is provided according to

the heater requirements. Direct combustion heaters should
only be used in well vented areas in order to avoid carbon
monoxide poisoning;

• the indirect combustion heater is installed near a chimney to

take away the fumes (see the paragraph “FUMES FLUE
POSITIONING DIAGRAM”) and connected to an electrical
switchboard;

• nothing is obstructing the aspiration and expulsion of air;

movement of air may be obstructed in various ways including
placing covers or other objects on the heater or positioning the
heater too near a wall or other large object;

• In case of very low temperatures add kerosene to the heating

oil;

• Make sure heater is always under surveillance and keep

children and animals away from it;

• Before starting the heater always check free rotation of

ventilator;

• Unplug heater when not in use.

SAFETY DEVICES

The heater is fit with an electronic device that controls the

flame and the maximum safe temperature by means of a
photocell and an overheat thermostat.

The heater is fit with an electronic device that controls the

flame and the maximum safe temperature by means of a
photocell, two overheat thermostats, and a fan start thermostat.

The electronic device controls start/stop times and trips the

safety in case of malfunctions. It has reset button (13) that can
assume different colours (Function Light) depending on the
function mode:
• steady green: heater functioning normally;
• steady red: heater in safety stop;
• flashing orange: heating interrupted due to excessive

variations in voltage supply (T<175V or T>265V); heating will
resume automatically when voltage returns in range from 190
V and 250 V.
To restart heating after a safety stop, push reset button (13)

for 1 second.

Warning

NEVER do more than two restarts in a row:
uncombusted diesel fuel may accumulate in the
combustion chamber and suddenly flare up at the
next restart.

If the safety stop persists, you have to find and eliminate the

cause of the stop before you restart the heater. Push button (13)
for at least 5 seconds to launch a self-diagnosis programme,
after which the button will assume different colours (Self-
diagnosis light) depending on the type of safety that tripped:
•  flashing orange: false flame detected during restart cycle.
•  flashing red: no flame during restart cycle.
•  flashing red/green: no flame during work cycle.
•  steady orange: internal error of electronic device.

Warning

See “TROUBLESHOOTING” to identify the cause of
the malfunction.

OPERATION

Before switching on the heater and, therefore, before plugging

it into the electrical power supply, check that the power supply
specifications are the same as those stated on the identification
plate.

Warning

For models “DV” check that the arrows on the
voltage supply selector key cover are pointing to
the voltage value required.

If necessary:
• remove the cover;
• press deflector (21) to the position required;
• replace the protective cover.

Warning

• The power line must be earthed and fitted with a

residual current circuit breaker.

• The heater plug must be inserted into a socket

equipped with a mains switch.

The heater must be placed on a flat, stable, and levelled

surface in order to prevent it from overturning and/or diesel leaks
from the tank filler cap.

The heater can work in “ventilation” mode turning the switch

(14) to : the fan motor starts, while the burner is off.

The heater works in “heating” mode, turning the switch (14) to

: the burner motor start, immediately followed by ignition and
combustion. When the combustion chamber become hot, the
coolin fan motor starts.

To select the heating power level, turn the swicth (18) to the