John Lewis JLBIGH601 Range User Manual


 
10
CommissioningCommissioning
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.
PrPr
PrPr
Pr
ocedurocedur
ocedurocedur
ocedur
e:e:
e:e:
e:
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 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.
MinimMinim
MinimMinim
Minim
um adjustment scrum adjustment scr
um adjustment scrum adjustment scr
um adjustment scr
ee
ee
e
ww
ww
w
ConCon
ConCon
Con
vv
vv
v
ersion frersion fr
ersion frersion fr
ersion fr
om Natural Gas to LPGom Natural Gas to LPG
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 followProceed as follow
Proceed as followProceed as follow
Proceed as follow
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.
TT
TT
T
o adjust the gas rateo adjust the gas rate
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
IMPORTANTIMPORTANT
IMPORTANT
The rThe r
The rThe r
The r
eplacement/coneplacement/con
eplacement/coneplacement/con
eplacement/con
vv
vv
v
ersion of the gas hob shouldersion of the gas hob should
ersion of the gas hob shouldersion of the gas hob should
ersion of the gas hob should
onlonl
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onl
y be undery be under
y be undery be under
y be under
taktak
taktak
tak
en ben b
en ben b
en b
y a competent person.y a competent person.
y a competent person.y a competent person.
y a competent person.