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8
If an electric fan is used for extracting the combustion
products, the ventilation aperture must be increased in
relation to its maximum performance. The electric fan should
have a sufficient capacity to guarantee an hourly exchange
of air equal to 3 ÷ 5 times the volume of the kitchen.
Prolonged, intensive use of the appliance may require extra
ventilation, e.g. an open window or a more efficient
ventilation system by increasing the extraction power of
the electric fan if installed.
Liquid petroleum gas descends towards the floor as it is
heavier than air. Apertures in the outside walls in rooms
containing LPG cylinders should therefore be at floor level,
in order to allow any gas from leaks to be expelled. Do not
store LPG cylinders (even when empty) in basements or
rooms below ground level; it is advisable to keep only the
cylinder in use in the room at any one time and connected
far from heat sources which could raise its temperature to
above 50 °C.
Gas supply connection
• Check that the appliance is set for the type of gas available
and then connect it to the mains gas piping or the gas
cylinder in compliance with current regulations and
standards.
• This appliance is designed and set to work with the gas
indicated on the label situated on the actual hob. If the
gas supply is other than the type for which the appliance
has been set, proceed with replacing the corresponding
nozzles (provided), following instructions given in the
paragraph “Adaptation to different types of gas”.
• For trouble-free operation, suitable use of energy and
longer life of the appliance, make sure that the supply
pressure complies with the values indicated in the table 1
"burners and nozzles specifications, otherwise install a
special pressure regulator on the supply pipe in
compliance with current standards and regulations.
• Connect in such a way that the appliance is subjected to
no strain whatsoever.
Either a rigid metal pipe with fittings in compliance with the
standards in force must be used for connecting to the nipple
union (threaded ½"G male fitting) situated at the rear of the
appliance to the right (fig.8), or flexible steel pipe in
compliance with the standards in force, which must not
exceed 2000 mm in length.
Should it be necessary to turn the fitting, the gasket (supplied
with the appliance) must be replaced.
Upon completion of installation, check the gas circuit, the
internal connections and the taps for leaks using a soapy
solution (never a flame).
fig.9
A
fig.8
Adaptation to a different type of gas
If the appliance is to be converted for use with a type of
gas other than that for which it was set in the factory
(indicated on the label to be found on the hob), the burner
nozzles should be replaced as follows:
• remove the grids and the burners.
• Unscrew the nozzles "A" (fig.9), using a 7 mm socket
wrench and replace them, according to the table 1
"burners and nozzles specifications", with ones suitable
for the new type of gas.
• On completing the operation, replace the old rating label
with the one showing the new type of gas; the sticker is
available from our Service Centres.
• Re-assemble all the components.
Also check that the connecting pipe cannot come into contact
with moving parts which could damage or crush it.
Make sure that the natural gas pipe is adequate for a sufficient
supply to the appliance when all the burners are lit
Important: A pressure regulator, in compliance with the
standards in force, must be inserted when connecting to a
liquid gas supply (in a cylinder).