2. OPERATION
The appliance operates under normal power with the nozzles mentioned above (see
Table of Figure 1). Supply pressure must correspond to the value mentioned in the
relevant data table.
2.1 Pressure Control
In order to measure the supply pressure, you need a liquid manometer with a minimum
sub-division of 0,1 mbar (eg a U-shaped pressure gauge).
Follow this procedure:
• Remove the appliance to regulate the opening to be found behind.
• Unscrew the screw shutting the pressure valve.
• Connect the manometer and measure the pressure.
• Remove manometer, re-screw the screw and make sure there are no leaks.
2.2 Regulation for operation with varius gases
Both the packaging and the appliance carry the regulation data for suitable gases. If
regulation is necessary for another type of gas, you should:
a) make sure which type of gas and pressure correspond to the values mentioned in
the relevant data table.
b) Choose the right nozzle for the specific type of gas and the pressure available in
place, keeping in mind data included on Figure 3 of this manual (keep in mind that
pressure should never exceed 50 mbar) and replace nozzle, if necessary.
2.3 Main burner regulation
• Replace nozzle by unscrewing it and screwing the one appropriate for the type of
gas.
• Regulate main air supply through the regulating ring, adjusting distance A as seen
on the Table of Figure 1.
• In order to regulate the flow of the main air supply, unscrew place ring in desirable
position and screw the screw back on until shut.
• To make sure the regulation of the main air supply is the right one, see that no
flames break away from the burner when it is cold and there is no flame going back
into the nozzle when the burner is hot.
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