John Lewis JLBIGH753 instruction manual Commissioning, Pressure testing

Models: JLBIGH753

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Commissioning

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.

zTurn the gas tap to the MAX position and ignite.

zSet 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:

)1) Re-ignite the burner and set to MIN.

2) Remove the control knob.

3) 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

Minimum adjustment screw

this procedure for all burners.

Pressure testing

The pressure testing must be carried out on the burners.

)Proceed as follows:

1)Remove the pan supports and the burner caps and crowns.

2)Fit manometer tube over the injector.

3)Turn on the burner gas supply and ignite another burner supply.

The pressure reading should be nominally 20 mbar and must be between 17 mbar and 25 mbar.

4)Turn off the burner supplies.

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Page 12
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John Lewis JLBIGH753 instruction manual Commissioning, Pressure testing