If the supply gas pressure is changeableor different from the necessary pressure,you must fit an applicable pressureadjuster on the gas supply pipe.4.5 Adjustment of minimumlevelTo adjust the minimum level of theburners:1. Light the burner.2. Turn the knob on the minimumposition.3. Remove the knob.4. With a thin screwdriver, adjust thebypass screw position (A).A5. If you change:• from natural gas G20 20 mbar toliquid gas, fully tighten the bypassscrew in.• from liquid gas to natural gas G2020 mbar, undo the bypass screwapproximately 1/4 of a turn (1/2 ofa turn for Multi Crown burner).WARNING!Make sure the flame doesnot go out when you quicklyturn the knob from themaximum position to theminimum position.4.6 Electrical connection• Make sure that the rated voltage andtype of power on the rating plateagree with the voltage and the powerof the local power supply.• This appliance is supplied with amains cable and a plug.• Always use a correctly installedshockproof socket.• Make sure that there is an access tothe mains plug after the installation.• Do not pull the mains cable todisconnect the appliance. Always pullthe mains plug.• There is a risk of fire when theappliance is in connection with anextension cable, an adapter or amultiple connection. Make sure thatthe ground connection agrees with thestandards and regulations.• Do not let the power cable to heat upto a temperature higher than 90° C.Make sure that you connectthe blue neutral cable to theterminal with a letter "N" onit. Connect the brown (orblack) phase cable to theterminal which has a letter"L". Keep the phase cableconnected at all times.4.7 Connection cableTo replace the connection cable use onlythe special cable or its equivalent. Thecable type is: H03V2V2-F T90.Make sure that the cable section isapplicable to the voltage and the workingtemperature. The yellow / green earthwire must be approximately 2 cm longerthan the brown (or black) phase wire.4.8 Assembly1.ENGLISH 15