14
EN
cod. 3541D620 - Rev. 00 - 02/2013
fig. 7
• Disconnect the connector of the microswitch and controller
• Undo the screw and remove the controller assembly
fig. 8
• Undo the four modulation cone cover fixing screws.
• Remove the spring and replace the modulation cone (ref. 1 - fig. 8) with one suitable
for the new type of gas, making sure the gasket (ref. 2 - fig. 8) is correctly positioned.
fig. 9
• Undo the four burner fixing screws and pull out the tray.
fig. 10
• Replace the nozzles at the main burner and pilot burner, fitting the nozzles indicated
in the technical data table in cap. 5, depending on the type of gas used
• Apply the sticker, contained in the conversion kit, near the data plate as proof of the
conversion.
4.2 Commissioning
Before lighting the water heater
• Check the tightness of the gas system.
• Fill the hydraulic system and make sure the air in the water heater and system is
completely vented.
• Make sure there are no water leaks in the system and unit.
• Check the correct gas pressure value.
• Make sure there are no flammable liquids or materials in the immediate vicinity of
the water heater.
Checks during operation
• Turn the unit on.
• Check the tightness of the fuel circuit and water systems.
• Check the efficiency of the flue and fume ducts when the water heater is operating.
• Check correct lighting of the water heater by turning it on and off several times.
• Make sure the fuel consumption indicated on the meter matches that given in the
technical data table on cap. 5.
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