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Commissioning
When the hob has been fully installed it will be necessary to check the minimum flame setting. To do this, follow the procedure below. Turn the gas tap to the MAX position and ignite. Set the gas tap to the MIN flame position then turn the control knob from MIN to MAX several times. If the flame is unstable or is extinguished follow the procedure below.
Procedure:
F
Re-ignite the burner and set to MIN. Remove the control knob. To adjust, use a thin bladed screwdriver and turn the adjustment screw (see diagram) until the flame is steady and does not extinguish, when the knob is turned from MIN to MAX. Repeat this procedure for all burners.
Minimum adjustment screw
Pressure Testing
F
Remove left hand pan support and front left burner cap and crown. Fit manometer tube over the injector. Turn on the burner gas supply and ignite another burner. The pressure reading should be nominally 20mbar and must be between 17 mbar and 25mbar. Turn off the burner supplies.
Conversion from Natural Gas to LPG
It is important to note that this model is designed for use with natural gas but can be converted for use with butane or propane gas providing the correct injectors are fitted. The gas rate is adjusted to suit. Method � � � � Ensure that the gas taps are in the 'OFF' position Isolate the hob from the electrical supply Remove all pan supports, burner caps, rings, crowns and control knobs. With the aid of a 7mm box spanner the burner injectors can then be unscrewed and replaced by the appropriate LPG injectors. TO ADJUST THE GAS RATE With the aid of a thin bladed screwdriver completely tighten down the by pass adjustment screw, which is located down the centre of the gas tap control shaft. Upon completion stick the replacement rating plate on the under side of the hob. IMPORTANT The replacement/conversion of the gas hob should only be undertaken by a competent person.
