User manual

ManualsBrandsJohn Lewis ManualsDomestic AppliancesJLBIGGH703

CommissioningCommissioning

Commissioning

When the hob has been fully installed it will be necessary to

check the minimum flame setting. To do this, follow the pro-

cedure 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:Procedure:

Procedure:

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 proce-

dure for all burners.

Pressure TestingPressure Testing

Pressure Testing

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.

Minimum adjustment screwMinimum adjustment screw

Minimum adjustment screw

ConCon

Con

ersion frersion fr

ersion fr

om Natural Gas to LPGom Natural Gas to LPG

om 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.

Proceed as follows:Proceed as follows:

Proceed as follows:

• 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.

o adjust the gas rateo adjust the gas rate

o adjust the gas rate

With the aid of a thin bladed screwdriver completely tighten

down the by pass adjustment screw. Upon completion stick

the replacement rating plate on the under side of the hob.

IMPORTANTIMPORTANT

IMPORTANT

The replacement/conversion of the gas hob shouldThe replacement/conversion of the gas hob should

The replacement/conversion of the gas hob should

only be undertaken by a competent person.only be undertaken by a competent person.

only be undertaken by a competent person.