Precautions for use ............................................................................6
ã=Safety precautions
Read these instructions carefully. Reading these instructions
will enable you to use your appliance safely and effectively.
Keep the operation and installation instructions and provide
them along with the appliance if it is passed on to another user.
The manufacturer is exempt from all responsibility if the
requirements of this manual are not complied with.
The graphics in this instruction manual are given as a guide
only.
Do not remove the appliance from its protective packaging until
it is installed in the unit.
Do not switch on the appliance if it is damaged in any way.
Contact our Technical Assistance Service.
This appliance is class 3 type, according to the EN 30-1-1
regulation for gas appliances: built-in appliance.
This appliance can only be installed in a well-ventilated place in
accordance with existing regulations and ventilation
specifications. The appliance must not be connected to a
combustion product removal device.
The place in which the appliance is installed must have fullyfunctioning ventilation, in accordance with the regulations.
Before installing your new hob, ensure that it is being installed
according to the assembly instructions.
This appliance leaves the factory set to the type of gas that is
indicated on the specifications plate. If this needs to be
changed, please consult the assembly instructions.
All operations relating to installation, regulation and conversion
to other types of gas must be carried out by an authorised
installation engineer, respecting the applicable regulations,
standards and the specifications of the local gas and electricity
providers. You are recommended to contact the Technical
Assistance Service to convert to another type of gas.
This appliance has been designed for home use only, not for
commercial or professional use. This appliance cannot be
installed on yachts or in caravans. The warranty will only be
valid if the appliance is used for the purpose for which it was
designed.
This appliance is only intended for cooking purposes, not as a
heating system.
This appliance is not intended for operation with an external
clock timer or a remote control.
Never leave the appliance unattended during operation.
Cleaning and maintenance........................................................ 6
Additional information on products, accessories, replacement
parts and services can be found at www.bosch-home.com and
in the online shop www.bosch-eshop.com
This appliance may be used by children 8 years old and older
and by persons with reduced physical, sensory or mental
capacity or a lack of experience or knowledge if they are
supervised or they have been instructed about the safe use of
the appliance and have understood the associated dangers.
Never let children play with the appliance. Cleaning and user
maintenance must not be carried out by unsupervised children.
The hotplates and surrounding area become very hot. Never
touch the hot surfaces. Children under 8 years old must be
kept at a safe distance from the appliance.
The hotplates become very hot. Never place combustible items
on the hob. Never place objects on the hob.
Do not store or use corrosive chemicals, steamers,
inflammable materials or non-food products below or near this
domestic appliance.
Fat or oil which is overheated can catch fire easily. Do not leave
oil or fats to heat up unattended. If oil or fats do catch fire,
never use water to put the fire out. Risk of burns! Put the fire out
by covering the pan with a lid and switch off the hotplate.
Pans which are damaged, are not the right size, hang over the
edge of the hob or are not positioned correctly can cause
serious injuries. Follow the advice and warnings provided
relating to the cooking pans.
Do not subject the appliance to draughts. These might blow out
the burners.
Do not clean the hob using a steam cleaner. Risk of
electrocution!
In the event of a malfunction, turn off the appliance’s gas and
electricity supply. For repairs, call our Technical Assistance
Service.
Do not tamper with the appliance's interior. If necessary, call
our Technical Assistance Service.
If one of the control knobs will not turn, do not force it. Call the
Technical Assistance Service immediately, so that they can
repair or replace it.
Cracks or fractures in the glass ceramic may cause electric
shocks. Switch off the circuit breaker in the fuse box. Contact
the after-sales service.
3
Your new appliance
Page 2 shows an overall view of your new appliance as well as
the burner power.
Accessories
The following accessories can be purchased from the
Technical Assistance Service:
Coupling profile
To combine appliances
together and/or conventional
hobs of the same brand.
Additional wok pan support
Only for use on double and
triple-flame wok burners with
pans which are more than
26 cm in diameter, grill pans,
earthenware casserole
dishes, large pans with a
round base, etc.
The additional wok pan support should be used to prolong the appliance's useful
life.
Simmer Plate
This accessory has been
designed to reduce the level
of heat at the lowest power
setting.
Place the accessory directly
on the pan support with the
cones facing upwards, never
directly over the burner. Centre the pan over the accessory.
Wok pan
The wok pan diffuses intense
heat uniformly, so that the
food is cooked in less time
and using less oil.
Always follow the manufacturer's instructions when
cooking with a wok pan.
--------
Code
HEZ394301 Coupling profile
HEZ298127 Additional wok pan support
HEZ298105 Simmer Plate
HEZ298103 Wok pan
The manufacturer accepts no liability if these accessories are
not used or are used incorrectly.
Gas burners
There are indications to show which burner each control knob
operates.
It is essential to ensure that all the burner parts and pan
supports are correctly installed for the appliance to work
correctly.
4
Switching on manually
1. Press the chosen burner control knob and turn it
anticlockwise to the required setting.
2. Use any type of lighter or flame (cigarette lighter, matches,
etc.) and bring it close to the burner.
Switching on automatically
If your hob can be switched on automatically (ignition
sparkers):
1. Press the chosen burner control knob and turn it
anticlockwise to the maximum power setting.
While the control knob is still pressed down, sparks are
produced on all burners. The flame ignites.
2. Release the control knob.
3. Turn the control knob to the required setting.
If it does not come on, turn the control knob to the off setting
and repeat the steps above. This time, press and hold the
control knob for longer (up to 10 seconds).
ã=Risk of deflagration!
If after 15 seconds the flame does not ignite, switch off the
burner and open a nearby window or door. Wait at least one
minute before trying to switch the burner back on.
Safety system
Depending on the model, your hob may have a safety system
(thermocouple) that prevents the flow of gas if the burners
accidentally switch off.
Power levels
The progressive control knobs can be used to control the
power needed, from minimum to maximum power.
Setting
High flame
Low flame
Control knob off
Û
Maximum capacity or aperture and elec-
—
tricity on
Minimum capacity or aperture
˜
Warnings
It is normal to hear a soft whistling noise while the burner is
operating.
When it is first used, it is normal for the burner to give off
odours. This does not pose any risk and does not indicate a
malfunction. They will disappear in time.
An orange-coloured flame is normal. This is caused by the
presence of dust in the atmosphere, spilt liquids, etc.
The kitchen will become hot and humid when this gas
appliance is used. You must therefore ensure that the kitchen is
well ventilated: Either keep the natural ventilation apertures
open, or install a ventilation system (extractor hood).
Intense and prolonged use of the appliance may mean
additional ventilation is required (for example, opening a
window) or more effective ventilation (for example, increasing
the hob's ventilation, if possible).
If the burner flames are accidentally blown out, switch off the
burner operating control knob and do not try to relight it for at
least one minute.
A few seconds after the burner is switched off, a sound (thud)
will be produced. This is not a fault - this means that the safety
device is no longer operating.
Keep the burner as clean as possible. If the ignition sparkers
are dirty they will not light properly. Clean them periodically
using a small non-wire brush. Bear in mind that the ignition
sparkers must not suffer any serious impacts.
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To ensure that this device is active:
1. Switch on the burner as usual.
2. Without releasing the control knob, press and hold it down
firmly for 4 seconds after lighting the flame.
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Switching off a burner
Turn the corresponding control knob clockwise to the 0 setting.
Cooking pans
Suitable pans
BurnerMinimum pan
diameter
Wok burner22 cm
Rapid burner22 cm26 cm
Semi-rapid burner14 cm20 cm
Maximum pan
diameter
Cooking guidelines
BurnerVery high - HighMediumLow
Wok
burner
Rapid
burner
Semi-rapid
burner
Boiling, steaming,
griddling, toasting,
paellas, Asian food
(wok).
Escalopes, steaks,
omelettes, frying
Steamed potatoes, fresh vegetables, vegetable
stews, pasta
Reheating and keeping things
hot: cooked and pre-cooked
dishes
Rice, white
sauce, ragout
Reheating, keeping things hot
and making tasty casseroles
Steaming:
fish, vegetables
5
Precautions for use
The following advice is intended to help you save energy and
prevent pan damage:
Use pans which are the right
size for each burner.
Do not use small pans on
large burners. The flame must
not touch the sides of the pan.
Do not use damaged pans,
which do not sit evenly on the
hob. Pans may tip over.
Only use pans with a thick, flat
base.
Do not cook without using a lid
and make sure the lid is
properly fitted. This wastes
energy.
Cleaning and maintenance
Always centre the pan over the
burner, not to one side.
Otherwise it could tip over.
Do not place large pans on the
burners near the control
knobs. These may be
damaged by the very high
temperatures.
Place the pans on the pan
supports, never directly on the
burner.
Make sure that the pan
supports and burner caps are
correctly positioned before
using the appliance.
Pans should be placed on the
hob carefully.
Do not strike the hob and do
not place excessive weight on
it.
Cleaning
Once the appliance is cool, use a sponge to clean it with soap
and water.
After each use, clean the surface of the respective burner parts
once they have cooled down. If any residue is left (baked-on
food, drops of grease etc.), however little, it will become stuck
to the surface and more difficult to remove later. The holes and
grooves must be clean for the flame to ignite properly.
The movement of some pans may leave metal residue on the
pan supports.
Clean the burners and pan supports using soapy water and
scrub with a non-wire brush.
Always dry the burners and pan supports completely. Water
droplets or damp patches on the hob at the start of cooking
may damage the enamel.
After cleaning and drying the burners, make sure the burner
caps are correctly positioned on the diffuser.
Trouble shooting
Caution!
■ Do not use steam cleaners. This could damage the hob.
■ Never use abrasive products, steel scourers, sharp
implements, knives, etc. to remove bits of hardened food
from the hob.
■ Do not use knives, scrapers or similar implements to clean
the point where the glass meets the burner trims, the metal
frames or the glass/aluminium panels, if fitted.
Maintenance
Always clean off any liquid as soon as it is spilt. This will
prevent food remains from sticking to the hob surface and you
will save yourself any unnecessary effort.
Never slide pans across the glass surface, as you may scratch
it. In addition, try not to drop heavy or sharp objects on the
glass. Never strike any part of the hob.
Grains of sand that may come from cleaning fruits and
vegetables will scratch the glass surface.
Melted sugar, or foods which contain a lot of sugar which may
have spilt, should be cleaned off the hotplate immediately,
using the glass scraper.
Sometimes certain faults detected can be easily resolved.
Before calling the Technical Assistance Service, bear in mind
the following advice:
FaultPossible causeSolution
The general electrical system is malfunctioning.
6
Defective fuse.Check the fuse in the main fuse box and change it
if it is damaged.
The automatic safety switch or circuit breaker has
tripped.
Check the main control panel to see if the automatic safety switch or circuit breaker has tripped.
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