JLBIGH601
Gas hob
Instruction manual
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Contents
For the User
Important Safety Information
Contents
Guide to use the Instruction
Manual
2
3
The following symbols will be found in the text to guide you
throughout the Instructions:
Description of the Hob
Using the hob
4
13
13
13
14
15
Safety Instructions
Hints andTips
Step by step instructions for an operation
Cleaning the hob
ꢀ
Something NotWorking?
Repairs - After Sales Service
Hints and Tips
Environmental Information
For the Installer
Installation
5
6
7
8
9
Instructions for the installer
Electrical connections
Wiring Diagram
This appliance complies with the following
E.E.C. Directives:
*
73/23 - 90/683
(LowVoltageDirective);
93/68 (General Directives);
89/336 (Electromagnetical
*
*
Fault Finding
Compatibility Directive);
90/396 (Gas Appliances),
and subsequent modifications
Commissioning
10
10
*
Conversion from Natural Gas to LPG
Building In
11
12
Important safety requirements
3
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Description of the Hob
2
3
2
4
1
1. Auxiliary Burner
2 . Semi-rapid Burners
3 . Rapid Burner
4 . Control knobs
4
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Installation
IMPORTANT: This hob must be installed according
to the instruction supplied, and by qualified and
competent personnel to the relevant National
Standards.
Any gas installation must be carried out by a registered
CORGI installer.
The manufacturer will not accept liability, should the
above instructions or any of the other safety
instructions incorporated in this book be ignored.
FO 0264
On the end of the shaft, which includes the G 1/2" threaded
elbow,adjustment is fixed so that the washer is fitted between
the components as shown in the diagram. Screw the parts
together without using excessive force.
A) End of shaft with nut
B ) Washer
C) Elbow
Gas Connection
Connection to the gas supply should be with either rigid or
semi-rigid pipe, i.e. steel or copper.
It is important to install the elbow correctly,with the
shoulder on the end of the thread, fitted to the hob
connecting pipe.
The connection should be suitable for connecting to R 1/2‰
(1/2 BSP male thread).When the final connection has been
made, it is essential that a thorough leak test is carried out
on the hob and installation.
Failure to ensure the correct assembly will cause
leakage of gas.
Ensure that the main connection pipe does not exert any
strain on the hob.
WHEN THE HOB IS FIRST INSTALLED
Once the hob has been installed, it is important to
remove any protective materials, which were put on
in the factory.
5
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Instructions for the Installer
Technical data
O VERALL DIMENSIO NS
Heating Elements Rating
Width:
Depth:
580 mm.
500 mm.
Rear Left Burner (semi rapid)
Heat Input
2.0 kW
CUT OUT DIMENSIONS
Front Left Burner (rapid)
Heat Input
3.0 kW
2.0 kW
1.0 kW
Width:
Depth:
550 mm.
470 mm.
Rear Right Burner (semi rapid)
Heat Input
SUPPLY CO NNECTIO NS
Front Right Burner (auxiliary)
Heat Input
Gas:
RC 1/2 inch (1/2 inch male) Rear right hand corner
Electric:
230V 50Hz supply, 3 core flexible cable with non rewireable
plug fitted with a 3 amp cartridge fuse.
BURN ER
R
A
P
I
D
S
E
M
I
-
R
A
P
I
D
MIN
0.45
A
U
X
I
L
I
A
R
Y
(lar ge)
(medium)
(small)
PO SITIO N
MAX
MIN
0.65
MAX
2.0
MAX
1.0
MIN
0.33
NOMINAL THERMAL
POWER
kW
3.0
NOMINAL FLOW
RATE
m3/h
0.286
119
0.057
0.190
96
0.043
0.095
70
0.028
NOZZLE REFERENCE
1/100 mm
Adjust.
Adjust.
Adjust
NOMINAL THERMAL
POWER
kW
2.8
0.65
2.0
0.45
1.0
0.33
NOMINAL FLOW
RATE
g/h
202
86
47
40
144
71
32
32
72
50
24
28
NOZZLE REFERENCE
1/100 mm
Bur ner
Dia. Tap By-pass
APPLIANCE CLASS: 3
1/100 mm
Auxiliary
Semi-rapid
Rapid
28
32
40
APPLIANCE CATEGORY: II2H3+
APPLIANCE GAS SUPPLY: Natural gas G20 / 20mbar
Aeration adjustment none
6
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Electrical Connections
THIS HO B MUST BE EARTHED.
Permanent Connection
Any electrical work required to install this hob should
be carried out by a qualified electrician or competent
person, in accordance with the current regulations.
In the case of a permanent connection, it is necessary that
you install a double pole switch between the hob and the
electricity supply (mains), with a minimum gap of 3 mm
between the switch contacts and of a type suitable for the
required load in compliance with the current electric
regulations.
Electrical Requirements
Any permanent electrical installation must comply with the
latest I.E.E. Regulations and local Electricity Board
regulations. For your own safety this should be undertaken
by a qualified electrician, e.g. your local Electricity Board,
or a contractor who is on the roll of the National Inspection
Council for Electrical Installation Contracting (NICEIC).
The switch must not break the yellow and green earth cable
at any point.
Ensure that the hob supply cable does not
come into contact with surfaces with
temperatures higher than 50 deg. C.
Electrical Connections
Supply cable replacement
This hob is designed to be connected to a 230 V 50 Hz AC
electrical supply.
The cable used to connect the hob to the electrical supply
must comply to the specifications given below.
Before switching on, make sure the electricity supply voltage
is the same as that indicated on the hob rating plate. The
rating plate is located on the bottom of the hob. A copy is
attached on the back cover of this book.
Min. size Cable/flex Cable / flex type Fuse
0.75 mm2
H05 V2V2-F (T90)
3 A
The hob is supplied with a 3 core flexible supply cable.
This has to be provided with a proper plug, able to support
the load marked on the identification plate.To connect the
plug to the cable,follow the recommendation given in diagram
aside.The plug has to be fitted in a proper socket.
In the event of having to change the fuse, a 3amp ASTA
approved (BS 1362) fuse must be used.
The manufacturer declines any liability should
these safety measures not be observed.
Should the plug need to be replaced for any reason, the
wires in the mains lead are coloured in accordance with the
following code:
Neutral
Green andYellow - Earth
Blue
Brown
- Neutral
- Live
— Connect the green and yellow (earth) wire to the
terminal in the plug which is marked with the
Earth (yellow/green)
ꢀ
letter 'E' or the earth symbol or coloured green
and yellow.
— Connect the blue (neutral) wire to the terminal
in the plug which is marked with the letter 'N' or
coloured black.
— Connect the brown (live) wire to the terminal in
the plug which is marked with the letter 'L' or
coloured red.
Upon completion there must be no cut, or stray strands of
wire present and the cable clamp must be secure over the
outer sheath.
A cut off plug inserted into a 13 amp socket
is a serious safety (shock) hazard. Ensure that
the cut off plug is disposed of safely.
7
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Wiring Diagram
L
1. IGNITOR SWITCHES
2. IGNITOR UNIT
2
1
N
Fault Finding
Brown
Blue
Green
Yellow
Preliminar y Electrical Systems
Check
START
Isolate appliance
and carry out:
A: Earth Continuity
check.
Blue
Green
Yellow
Brown
Electricity supply
should now be
satisfactory.
NO
YES
Carry out:
B: Insulation check.
A. EARTH CO NTINUITY CHECK - Appliance
must be electrically disconnected - meter set on W
(Ohms) x 1 scale and adjust zero if necessary.
Has inlet fuse blown?
NO
YES
a) Test leads from any appliance earth point to earth
pin on plug. Resistance should be less than 0.1 W
(Ohm), check all earth wires for continuity and all
contacts are clean and tight.
B. INSULATION CHECK - Appliance electrically
disconnected, all switches ON.
Inlet wiring
faulty.
a) meter set on W (Ohms) x 1 scale.
Rectify any
fault.
Test leads from L to N in appliance terminal block.
If meter reads «0» then there is a short circuit.
b) meter set on W (Ohm) x 100 scale.
Repeat test with leads from L to E. If meter reads
less than ¥ (infinity) there is a fault.
NOTE - Should it be found that the fuse has failed but
no fault is indicated - a detailed continuity check (i.e.
by disconnecting and checking each component) is
required to trace the faulty component.
Isolate appliance and
carry out:
B: Insulation check.
Rectify any fault
It is possible that a fault could occur as a result of
local burning/arcing but no fault could be found under
test.However a detailed visual inspection should reveal
evidence of burning around the fault.
including replacing
fuses as necessary.
8
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Fault Finding
YES
Check gas supply at
burner
Does ignitor spark?
N O
Check plug top fuse and
replace if necessary
Light burner manually
Check polarity and earth
continuity of supply point
Check by pass simmer
adjusted
Check position of the
electrode
Check earth continuity
of appliance
Check continuity from the tip of
each electrode to the terminals 1
to 4 on the ignitor unit
Check fitting of burners
Check continuity from 'N' on the
mains connector block and "N" on
the ignitor unit
Check for breaks in the insulation
of the HT leads
Check continuity from 'L' on the
mains connector block and the
taps ignition switches
Change the taps ignition
switches
Check continuity from ignition
switches connector to ignitor unit “L”
Change the ignitor unit
9
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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 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.
Pꢀrocedure:
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
Testing
Remove left hand pan support and front left burner
cap and crown.
Minimum adjustment screw
ꢀ
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
To adjust the gas rate
With the aid of a thin bladed screwdriver completely tighten
or propane gas providing the correct injectors are fitted.The
down the by pass adjustment screw. Upon completion stick
gas rate is adjusted to suit.
the replacement rating plate on the under side of the hob.
Proceed as follow
IMPO RTANT
•
•
•
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.
The replacement/conversion of the gas hob should
only be undertaken by a competent person.
•
With the aid of a 7mm box spanner the burner injectors
can then be unscrewed and replaced by the appropriate
LPG injectors.
10
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Building In
Building over a kitchen unit with
door
Proper arrangements must be taken in designing the furniture
unit, in order to avoid any contact with the bottom of the
hob which can be heated when it is operated. The
recommended solution is shown in diagram 3.
The panel fitted under the hob ("a") should be easily
removable to allow easy access if technical assistance is
needed.The space behind the kitchen unit ("b") can be used
for connections.
IMPORTANT: This hob must be installed acccording
to the instruction supplied, and by qualified and
competent personnel to the relevant National
Standards.
Please ensure that when the hob is installed it is easily
accessible for the engineer in the event of a breakdown.
Building over a cupboard or
2
ON/OFF SWITCH
ON/OFF SWITCH
1
drawer
If the hob is to be installed above a cupboard or
drawer it will be necessary to fit a heat resistant
board below the base of the hob on the underside
of the work surface.
It is also recommended to carry out the electrical
FLEX
OUTLET
connection to the hob as shown in diagrams 1
and 2.
FLEX
OUTLET
FO
FO 2563
2564
Dimensions are given in mm
Fitting the Hob into the worktop
Carry out the building in of the hob as follows:
3
•
put the seals supplied with the hob,on the edges
of the cut out diagram 4, taking care that the
seals meet without overlapping;
ꢀ
•
•
place the hob in the cut out,taking care that it is
centred;
fix the hob with the relevant fixing clamps and
screws, as shown in the diagram 5. When the
screws have been tightened, the excess seal can
be removed.
The edge of the hob forms a double seal which prevents
the penetration of liquids.
FO 2044
FO 2098
4
5
Seal
a
FO 0199
11
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Important safety requirements
This hob must be installed in accordance with the Gas Safety
(Installation and Use) Regulations (Current Edition) and the
IEEWiring Regulations (Current Edition).
CLEARANCES REQUIRED
FITTING THE GAS HOB
WITHOUT A COOKER HOOD ABOVE
6
Provision for ventilation
700 mm
Detailed recommendations are contained in the following
National Standards Codes Of Practice: B.S. 6172/ B.S. 5440,
Part 2 and B.S. 6891 Current Editions.
400 mm
mm
55
The hob should not be installed in a bed sitting room with
a volume of less than 20 m3. If it is installed in a room of
volume less than 5 m3 an air vent of effective area of 110
cm2 is required.If it is installed in a room of volume between
5 m3 and 10 m3 an air vent of effective area of 50 cm2 is
required, while if the volume exceeds 11 m3 no air vent is
required. However, if the room has a door which opens
directly to the outside no air vent is required even if the
volume is between 5 m3 and 11 m3. If there are other fuel
burning appliances in the same room, B.S. 5440 Part 2
Current Edition, should be consulted to determine the re-
quisite air vent requirements.
400 mm
50
100
m
m
mm
50
m
m
CLEARANCES REQUIRED WHEN
FITTING THE HOB
WITH A COOKER HOOD ABOVE
7
600
mm
650 mm
Location
The hob may be located in a kitchen, a kitchen/diner or bed
sitting room, but not in a bathroom or shower room or
garage.
400 mm
mm
55
400 mm
50
Before making the cut out in the worktop ensure that the
edges of the hob that are to be near either a side or rear
wall have a minimum distance of 55 mm between the edge
of the hob and the wall.
50
1
0
mm
0
m
m
mm
A minimum distance of 100 mm must be left between the
side edges of the hob and any adjacent cabinets or walls.
The minimum distance combustible material can be fitted
above the hob is 400 mm.
FO 2231*
If it is fitted below 400 mm a space of 50 mm must be
allowed from the edges of the hob. The minimum distance
combustible material can be fitted directly above the hob is
700 mm.
12
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Using the hob
Bur ner
minimum
diameter
maximum
diameter
Burners
To light a burner:
ꢀ
ꢀ
pushinthe relevant controlknobandturnit anticlockwise
to maximum position;
Large (rapid)
Medium (semi-rapid)
Small (auxiliary)
180 mm.
120 mm.
80 mm.
260 mm.
220 mm.
160 mm.
ꢀ
then adjust the flame as required.
If the burner does not ignite, turn the control knob to zero,
and try again.
To ensure maximum burner efficiency, you should only use
pots and pans with a flat bottom fitting the size of the burner
used (see table).
Hints and Tips
If you use a saucepan which is smaller than the recommended size, the flame will spread beyond the
bottom of the vessel, causing the handle to overheat. Take care when frying food in hot oil or fat, as
the overheated splashes could easily ignite.
As soon as a liquid starts boiling, turn down the flame so that it will barely keep the liquid simmering.
If the control knobs become difficult to turn, please contact your local Repair agent.
Cleaning the hob
The Hob Top
Regularly wipe over the hob top using a soft cloth well wrung
out in warm water to which a little washing up liquid has
been added. Avoid the use of the following:
- household detergent and bleaches;
- impregnated pads unsuitable for non-stick saucepans;
- steel wool pads;
Before any maintenance or cleaning can be carried
out, you must DISCONNECT the hob from the
electricity supply.
The hob is best cleaned whilst it is still warm, as
spillage can be removed more easily than if it is left to
cool.
- bath/sink stain removers.
Shouldthe hobtopbecome heavilysoiled, it isrecommended
that a cleaning product such as Hob Brite or Bar Keepers
Friend available from your John Lewis local branch is used.
Pan Supports
The pan supports are dishwasher proof. If washing them by
hand, take care when drying them as the enamelling process
occasionallyleavesroughedges.Ifnecessary,remove stubborn
stains using a paste cleaner.
The Burners
The burner caps and crowns can be removed for cleaning.
Wash the burner caps and crowns using hot soapy water,
andremove markswithamildpaste cleaner.Awellmoistened
soap impregnated steel wool pad can be used with caution,
if the marks are particularly difficult to remove.
After cleaning, be sure to wipe dry with a soft cloth.
13
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Something Not Working?
If the hob is not working correctly, please carry out the following checks before contacting your local Service Force repair
agent.
IMPORTANT: if you call out an engineer to fault listed below, or to repair a fault caused by incorrect use or installation, a
charge will be made even if the appliance is under guarantee.
SYMPTOM
SOLUTION
ꢀ There is no spark when lighting the gas
ꢁ Check that the unit is plugged in and the electrical
supply is switched on
ꢁ Check that the RCCB has not tripped (if fitted)
ꢁ Check the mains fuse has not blown
ꢁ Check the burner cap and crown have been replaced
correctly, e.g. after cleaning.
ꢁ Check the main jet is not blocked and the burner
crown is clear of food particles.
ꢀ The gas ring burns unevenly
ꢁ Check the burner cap and crown have been replaced
correctly, e.g. after cleaning.
14
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Repairs - After Sales Service
If your hob is not performing satisfactorily;consult the fault
finding guide within this instruction book (Something not
working on the previous page). In the event of a fault
occurring which you cannot resolve yourself from advice
given within this instruction manual.
Your first step is to contact our extended warranty
administrators on 0870 0107887 who will give you details
for your local Service Force RepairAgent.
When contacting Service Force, please quote the model
(Mod.) and serial number (S.N.). These details have been
provided separately within the pack containing this
instruction manual.
Spare parts
This product should be serviced by an authorised service
engineer, and only genuine spare parts should be used.
Under no circumstances should you attempt to repair the
hob yourself.
Repairs carried out by inexperienced persons may cause
injury or serious malfunctioning. Contact our extended
warranty administrators on 0870 0107887 who will give
you details for your local Service Force repair agent.
Always insist on genuine spare parts.
So that you always have these numbers at hand, we
recommend you to make a note of them here:
Mod. : . . . . . . . . . . . . . . . . . .
PNC : . . . . . . . . . . . . . . . . . .
S.N. : . . . . . . . . . . . . . . . . . . .
Your hob is covered by a 3 year parts and labour guarantee
(see separate details given at point of sale). Please retain
your purchase receipt safely for the service engineer to verify
the purchase details.
15
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John Lewis Partnership
171Victoria Street
London SW1E 5NN
35690-7301
01/06
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