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Idiomas disponibles
Before using the space heater, please read carefully all the instructions for use described below and follow the
indications 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 kept carefully and passed on
with the unit in the event of a change of ownership.
DESCRIPTION
The hot air generators are designed for heating medium and large
ventilated premises, for which a fixed or mobile heating system is
required.
These heaters can be run on natural gas (G20, G25) or L.P.G.
(butane G30 and propane G31) according to different gas supply
pressures that must be in conformity with the national laws of the
European Community countries. Gases to be used in each country
of the Community are indicated in Tab. I together with the supply
pressures, the corresponding category (which indicates the two
previous pieces of information, i.e. the type of gas and the supply
pressure), the regulation of the gas valve group and the
arrangement of the diffusion ring (3).
The heater is set up for one of the operating categories in Tab. I:
the adhesive label applied to the gas valve group (4) indicates the
operating category.
To convert to a different category and, therefore, to another type
of gas, follow the detailed instructions given in the section
"CHANGING TYPE OF GAS".
The heaters are of the indirect combustion type. The air is heated
by the thermal energy developed during combustion and is then
conveyed to the environment to be heated while the combustion
products are sent to a chimney to be disposed of: the room must in
any case be suitably ventilated in order to ensure adequate air
circulation.
Various safety devices (electronic control unit, overheating
thermostat L2, burner thermostat L1, air pressure switch, gas
pressureswitch) trip in the event of serious malfunction. The
electronic burner control unit trips if the flame is irregular or goes
out. The overheating thermostat L2 trips when the temperature in
the combustion chamber exceeds the safety limit value. The burner
thermostat L1 trips if the air flow in the distribution duct is
insufficient.
The air pressure switch and the gas pressure switch trip
respectively if the air flow is insufficient or if the gas supply pressure
is too low. In either of the cases described the light (1) will come on
and the space heater will stop and for the first two (electronic control
unit and overheating thermostat L2) it will only work again once the
reset button has been pressed.
Nonetheless, the cause that triggered the safety device should
always be sought and remedied before restarting the heater (see
"FAULTS, CAUSES AND REMEDIES").
GENERAL ADVICE
Installation, setting up and use of the hot air generator must be
effected in accordance with the applicable regulations and laws
relatingn to the use of such equipment.
The space heater can be installed suspended from the ceiling
bymeans of cables and/or chains of suitable size and length to fix to
the 4 suspension hooks. In any case the minimum distance from
surrounding walls and/or the ceiling must be at least 1 m and the
distance from the floor must be at least 300 mm.
Make sure that:
• The instructions in this manual are carefully followed;
• The generator is not installed in an area where there is a high
risk of fire or explosions;
• No flammable materials are stored in the vicinity of the heater
(the minimum distance must be at least 3 m)
• A check is made that there is no overheating of walls, ceilings
or floors made of flammable materials
EN
IMPORTANT
• All precautions have been taken to prevent fires;
• The premises in which the heater is installed are sufficiently
ventilated for the burner requirements;
• The heater is installed near to a chimney to take away the
fumes(see the section "FLUE PIPE POSITIONING DIAGRAM")
and connected to a power switchboard;
• The air suction and/or supply hoses are not blocked in any
way, there are not sheets or covers resting on the machine or
walls and bulky objects near the generator;
• The generator is placed near a power switchboard having
specifications that conform to those declared;
• The unit is placed in a fixed position;
• The heater is regularly monitored during operation and
checked before being started up;
• At the beginning of each working period, before plugging it into
the electrical power supply, a check is made that the fan moves
freely;
• At the end of each working period the main switch is
disengaged and the gas stopcock is closed.
Warning
This unit may not be used by persons (including
children) with reduced physical, sensorial or mental
capacities or with limited experience and familiarity
unless they are under supervision or instructed on
how to use the equipment by the person responsible
for its safety.
INSTALLATION INSTRUCTIONS
Warning
All the operations described in this section must only
be performed by professional and skilled personnel.
POWER CONNECTIONS
Warning
The power line of the generator must be fitted with an
earth lead and a residual current circuit breaker.
The supply cable must be connected to a switchboard
that has an isolation switch.
All the control and safety devices are already electrically
connected.
Before switching on the heater, and therefore, before plugging it
into the electrical power supply, a check must be made that the
power supply specifications are the same as those stated on the
identification plate.
Warning
For "DV" models make sure that the cover (Fig. 2) of
the power supply selection button is turned with the
arrows pointing towards the required voltage.
16
Fig.2
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