Bosch NGM8057UC User guide

Category
Fireplaces
Type
User guide

This manual is also suitable for

Use and Care Manual
Gas Cooktop
NGM8057UC NGM8657UC
2
Table of Contents
Use and care manual
9 Safety Definitions ..................................................... 3
IMPORTANT SAFETY INSTRUCTIONS ........................ 4
Gas Appliance Safety .......................................................... 4
High Altitude Installation ..................................................... 5
Fire Safety .............................................................................. 5
Gas Safety ............................................................................. 6
Burn Prevention .................................................................... 6
Child Safety ........................................................................... 6
Cleaning Safety ..................................................................... 6
Cookware Safety .................................................................. 7
Proper Installation and Maintenance ................................ 7
Proposition 65Warning ...................................................... 7
Causes of Damage ........................................................ 8
Environmental protection ............................................. 8
Saving energy ....................................................................... 8
Getting Started ............................................................... 9
Before Using the Appliance for the First Time ............... 9
Gas cooktop .......................................................................... 9
Control Knobs .................................................................... 10
Sealed Burners .................................................................. 11
Burner Cap and Burner Base Placement ..................... 11
Accessories ........................................................................ 11
Operation ..................................................................... 12
In Case of a Power Failure .............................................. 12
Electronic Ignition .............................................................. 12
Flame Failure Safety System .......................................... 12
Typical Flame Characteristics ......................................... 12
Turning off a burner .......................................................... 12
General Notes .................................................................... 13
Getting the Most Out of Your Appliance ...................... 13
Cleaning and Maintenance ......................................... 18
Cleaning .............................................................................. 18
Cleaning Guidelines ......................................................... 18
Maintenance ....................................................................... 19
Service ......................................................................... 20
Before Calling for Service ............................................... 20
How to Obtain Warranty Service .................................... 20
STATEMENT OF LIMITED PRODUCT WARRANTY .. 21
What this Warranty Covers & Who it Applies to ......... 21
How Long the Warranty Lasts ........................................ 21
Repair/Replace as Your Exclusive Remedy ................ 21
Out of Warranty Product .................................................. 21
Warranty Exclusions ......................................................... 21
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9 Safety Definitions
Safety Definitions
9 WARNING
This indicates that death or serious injuries may
occur as a result of non-observance of this warning.
9 CAUTION
This indicates that minor or moderate injuries may
occur as a result of non-observance of this warning.
NOTICE: This indicates that damage to the appliance or
property may occur as a result of non-compliance with
this advisory.
Note: This alerts you to important information and/or
tips.
9 IMPORTANT SAFETY INSTRUCTIONS
READ AND SAVE THESE INSTRUCTIONS
4
IMPORTANT SAFET Y I NS T RU CT I ONS READ AND SAVE THESE INSTRUCTIONS
Gas Appliance Safety
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5
9 IMPORTANT SAFETY INSTRUCTIONS
READ AND SAVE THESE INSTRUCTIONS
IMPORTANT: SAVE THESE INSTRUCTIONS FOR THE
LOCAL ELECTRICAL INSPECTOR’S USE.
INSTALLER: LEAVE THESE INSTRUCTIONS WITH THE
UNIT FOR THE OWNER.
OWNER: PLEASE RETAIN THESE INSTRUCTIONS FOR
FUTURE REFERENCE.
WARNING
When properly cared for, your new appliance has been
designed to be safe and reliable. Read all instructions
carefully before use. These precautions will reduce the
risk of burns, electric shock, fire and injury to persons.
When using kitchen appliances, basic safety precautions
must be followed including those in the following pages.
High Altitude Installation
This appliance has been tested for operation up to an
altitude of 10,100 ft (3,078 m) elevation above sea level.
If desired, for altitudes above 2,000 ft (610 m) elevation
above sea level, adjustments may be made. Burners
should be checked at the lowest setting, if the flame is
not stable the simmer should be increased until the
flame is stable. This can be done by adjusting the
bypass screw in the valve. If flame performance is
satisfactory, adjustment will not be required. It is required
that a Certified Professional make the high altitude
adjustments during installation.
Fire Safety
Save these instructions.
Set the burner control so that the flame does not extend
beyond the bottom of the pan.
Do not allow aluminum foil, plastic, paper or cloth to
come in contact with a hot surface element, burner or
grate. Do not allow pans to boil dry.
If the cooktop is near a window, forced air vent or fan, be
certain that flammable materials such as window
coverings do not blow over or near the burners or
elements. They could catch on fire.
Always have a working smoke detector near the kitchen.
Never leave the cooktop unattended when in use.
Boilovers cause smoking and greasy spillovers may
ignite.
WARNING
TO REDUCE THE RISK OF A GREASE FIRE:
a.
Never leave surface units unattended at high settings.
Boilovers cause smoking and greasy spillovers that
may ignite. Heat oils slowly on low or medium settings.
b.
Always turn hood ON when cooking at high heat or
when flambéing food (i.e. Crêpes Suzette, Cherries
Jubilee, Peppercorn Beef Flambé).
c.
Clean ventilating fans frequently. Grease should not be
allowed to accumulate on fan or filter.
d.
Use proper pan size. Always use cookware
appropriate for the size of the surface element.
In the event that personal clothing or hair catches fire,
drop and roll immediately to extinguish flames.
Smother flames from food fires other than grease fires
with baking soda. Never use water on cooking fires.
Take care that drafts like those from fans or forced air
vents do not push the flames so that they extend beyond
the edges of the pan.
Have an appropriate fire extinguisher available, nearby,
highly visible and easily accessible near the appliance.
WARNING
TO REDUCE THE RISK OF INJURY TO PERSONS IN
THE EVENT OF A GREASE FIRE, OBSERVE THE
FOLLOWING:
a.
SMOTHER FLAMES with a close-fitting lid, cookie
sheet, or metal tray, then turn off the burner. BE
CAREFUL TO PREVENT BURNS. If the flames do not
go out immediately, EVACUATE AND CALL THE FIRE
DEPARTMENT.
b.
NEVER PICK UP A FLAMING PAN – You may be
burned.
c.
DO NOT USE WATER, including wet dishcloths or
towels – a violent steam explosion will result.
d.
Use an extinguisher ONLY if:
- You know you have a Class ABC extinguisher, and
you already know how to operate it.
- The fire is small and contained in the area where it
started.
- The fire department is being called.
- You can fight the fire with your back to an exit.
During a power failure, only the cooktop burners can be
lit manually.
Whenever possible, do not operate the ventilation system
during a cooktop fire. However, do not reach through fire
to turn it off.
9 IMPORTANT SAFETY INSTRUCTIONS
READ AND SAVE THESE INSTRUCTIONS
6
Gas Safety
To prevent carbon monoxide build-up, do not block
appliance air vents.
Have the installer show you where the gas shut-off valve
is located.
For proper burner performance, keep igniters clean and
dry.
If a burner goes out and gas escapes, open windows
and doors. Wait until gas dissipates before using the
appliance.
WARNING
All igniters spark when any single burner is turned on. Do
not touch any of the burners when the cooktop is in use.
If you smell gas, your installer has not done a proper job
of checking for leaks. If the connections are not perfectly
tight, you can have a small leak and, therefore, a faint
smell. If you smell gas, immediately shut off the unit and
contact an authorized service technician to diagnose the
issue. See Warning, ~ "Gas Appliance Safety"
on page 4
WARNING
To prevent flare-ups all grates must be properly
positioned on the cooktop whenever the cooktop is in
use. Each of the feet must be placed into the
corresponding dimples in the cooktop. Do not use a
grate if the rubber feet are missing or damaged.
Keep the igniter ports clean for proper lighting
performance of the burners. It is necessary to clean
these when there is a boilover or when the burner does
not light even though the electronic igniters click.
WARNING
To prevent flare-ups do not use the cooktop without all
burner caps and all burner grates properly positioned.
WARNING
Do not clean or touch any of the burners when an extra
low burner (if equipped) is in use. When the extra low
burner automatically reignites the ignitor at the burner will
spark.
WARNING
Use this appliance only for its intended use as described
in this manual. NEVER use this appliance as a space
heater to heat or warm the room. Doing so may result in
carbon monoxide poisoning and overheating the
appliance. Never use the appliance for storage.
Burn Prevention
DO NOT TOUCH SURFACE UNITS OR AREAS NEAR
UNITS - Surface units may be hot even though they are
dark in color. Areas near surface units may become hot
enough to cause burns. During and after use, do not
touch, or let clothing, potholders, or other flammable
materials contact surface units or areas near units until
they have had sufficient time to cool. Among these areas
are the cooktop and areas facing the cooktop.
Do not heat or warm unopened food containers. Build-up
of pressure may cause the container to burst and cause
injury.
Always turn hood ON when cooking at high heat or when
flambéing food (i.e. Crêpes Suzette, Cherries Jubilee,
Peppercorn Beef Flambe).
Use high heat settings on the cooktop only when
necessary. To avoid bubbling and splattering, heat oil
slowly, on no more than a low-medium setting. Hot oil is
capable of causing extreme burns and injury.
Never move a pan of hot oil, especially a deep fat fryer.
Wait until it is cool.
Secure all loose garments, etc., before beginning. Tie
long hair so that it does not hang loose, and do not wear
loose-fitting clothing or hanging garments, such as ties,
scarves, jewelry, or dangling sleeves.
Child Safety
When children become old enough to use the appliance,
it is the responsibility of the parents or legal guardians to
ensure that they are instructed in safe practices by
qualified persons.
Do not allow anyone to climb, stand, lean, sit, or hang on
any part of an appliance, especially a door, warming
drawer, or storage drawer. This can damage the
appliance, and the unit may tip over, potentially causing
severe injury.
Do not allow children to use this appliance unless closely
supervised by an adult. Children and pets should not be
left alone or unattended in the area where the appliance
is in use. They should never be allowed to play in its
vicinity, whether or not the appliance is in use.
CAUTION
Items of interest to children should not be stored in an
appliance, in cabinets above an appliance or on the
backsplash. Children climbing on an appliance to reach
items could be seriously injured.
Cleaning Safety
IMPORTANT SAFETY NOTICE: The California Safe
Drinking Water and Toxic Enforcement Act requires the
Governor of California to publish a list of substances
known to the state to cause cancer, birth defects or other
reproductive harm, and requires businesses to warn
customers of potential exposure to such substances. The
burning of gas cooking fuel and the elimination of soil
during self-cleaning can generate some by-products
7
9 IMPORTANT SAFETY INSTRUCTIONS
READ AND SAVE THESE INSTRUCTIONS
which are on the list. To minimize exposure to these
substances, always operate this unit according to the
instructions contained in this booklet and provide good
ventilation.
WARNING
The burning of gas cooking fuel can create small
amounts of Carbon Monoxide, Benzene, Formaldehyde
and Soot. To minimize exposure to these substances the
burners should be adjusted by a certified installer or
agency to ensure proper combustion. Ensure proper
ventilation with an open window or use a ventilation fan
or hood when cooking with gas. Always operate the unit
according to the instructions in this manual.
After a spill or boilover, turn off the burner and allow the
cooktop to cool. Clean around the burner and burner
ports. After cleaning, check for proper operation.
Do not clean the appliance while it is still hot. Some
cleaners produce noxious fumes when applied to a hot
surface. Wet clothes and sponges can cause burns from
steam.
WARNING
Do not remove grommets or white rings as they will
require Customer Service to refit and the cooktop must
not be used without all parts fitted correctly.
Cookware Safety
Hold the handle of the pan when stirring or turning food.
This helps prevent spills and movement of the pan.
Use Proper Pan Size.
The use of undersized cookware will expose a portion of
the heating element or burner to direct contact and may
result in ignition of clothing. Select cookware having flat
bottoms large enough to cover the surface heating unit.
This appliance is equipped with one or more surface
units of different sizes. Proper relationship of cookware to
heating element or burner will also improve efficiency.
Inspect your cookware for damage or excessive wear
before using it.
Always position handles of utensils inward so they do not
extend over adjacent work areas, burners, or the edge of
the cooktop. This reduces the risk of fires, spills and
burns.
Adjust burner flame size so that it does not extend
beyond the edge of the cookware. Proper relationship of
cookware to burner flame reduces safety risks.
Use only certain types of glass, heatproof glass, ceramic,
earthenware, or other glazed utensils that are suitable for
cooktop use.
Proper Installation and Maintenance
WARNING
Disconnect electrical and gas supply before servicing.
Have the installer show you the location of the circuit
breaker or fuse. Mark it for easy reference.
This appliance must be properly installed and grounded
by a qualified technician. Connect only to properly
grounded outlet. Refer to Installation Instructions for
details.
This appliance is intended for normal family household
use only. It is not approved for outdoor use. See the
Statement of Limited Product Warranty. If you have any
questions, contact the manufacturer.
Do not store or use corrosive chemicals, vapors,
flammables or nonfood products in or near this
appliance. It is specifically designed for use when
heating or cooking food. The use of corrosive chemicals
in heating or cleaning will damage the appliance and
could result in injury.
WARNING
Failure to operate knobs properly may result in personal
injury and damage to the appliance.
This appliance is not intended for operation with an
external time switch or external remote control.
Do not operate this appliance if it is not working properly,
or if it has been damaged. Contact an authorized
servicer.
Do not repair or replace any part of the appliance unless
specifically recommended in this manual. Refer all
servicing to a factory authorized service center.
To avoid electrical shock hazard, before servicing the
appliance, switch power off at the service panel and lock
the panel to prevent the power from being switched on
accidentally.
Proposition 65Warning:
This product may contain a chemical known to the State
of California, which can cause cancer or reproductive
harm. Therefore, the packaging of your product may
bear the following label as required by California:
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8
Causes of Damage
NOTICES
RISK OF HEAT DAMAGE TO ADJACENT
APPLIANCES OR KITCHEN UNITS:
If the appliance is in operation for an extended period,
heat and moisture will be generated. Additional
ventilation is required. Open the window or switch on
an extractor hood that discharges the extracted air
and moisture outside the building.
RISK OF DAMAGE TO THE APPLIANCE DUE TO THE
BUILD-UP OF HEAT:
Do not heat roasters, frying pans or grill stones using
more than one burner at a time.
OPERATIONAL FAULT:
Always turn the control knob to the "Off" position when
the appliance is not being used.
Environmental protection
Environmental protecti on
The sections below list a number of energy-saving tips
and provide information on disposing of your appliance.
The packaging of your appliance has been manufactured
using only the materials which are strictly necessary to
provide efficient protection during transport. These
materials are 100% recyclable, thus reducing the
environmental impact. You can also contribute to caring
for the environment by following the advice below:
Dispose of the packaging in the appropriate recycling
bin.
Before you get rid of an old appliance, make sure you
disable it. Contact your local authority to find out the
address of your nearest recycling centre to dispose of
your appliance.
Do not pour used oil down the sink. Collect it in a
sealed container and take it to an appropriate
collection point or, failing that, place it in the rubbish
bin (it will end up in a controlled dump; this is probably
not the best option, but it will avoid contaminating
ground water).
Saving energy
Choose a burner of roughly the same size as your
pan. Place the cookware in the middle.
Use a small saucepan for small quantities. A larger,
less full saucepan requires more energy.
Always place suitable lids on saucepans. Cooking
without a lid consumes significantly more energy. Use
a glass lid so that you can see into the pan without
having to lift the lid.
Cook with a small amount of water. That saves energy.
Vitamins and minerals in vegetables are preserved.
Switch to a lower heat setting when possible. As a
result, you save energy.
9
Getting Started
Note: Depending on the appliance model, individual
details and colors may differ.
Before Using the Appliance for
the First Time
Remove all packing materials and literature from the
cooktop surface.
Wipe with a clean, damp sponge and dry.
There may be a slight odor during the first several
uses. This is normal and will disappear.
Optimum cooking results depend on the proper
cookware being selected and used. See “Proper
Cookware”.
Read all safety precautions and Use and Care Manual
information prior to operating.
Gas cooktop
1*08&
2
1
!
Burner grates
"
Control knobs
#
Small burner with an output of up to
3,400 BTU/h (1kW) OptiSim
®
feature
see “OptiSim® Burner Cap Placement and
OptiSim® Burner Cap Installation” in section
~ "Accessories" on page 11
$
Medium burner with an output of up to
6,000 BTU/h (1.76kW)
%
Large burner with an output of up to
9,010 BTU/h (2.64kW)
&
Dual-flame burner with an output of up to
17,000 BTU/h (4.98 kW)
'
Serial Number/Rating label location (right front
underneath)
10
Control Knobs
Each control knob is marked with the burner it controls.
You can use the control knobs to set the output required
in each case to various positions between the maximum
and the minimum settings. Never try to switch directly
from position “off” to position 1or from position 1to
position “off”.
For dual-flame burners, the inner and outer flames can
be controlled separately. The available power levels are
as follows:
1*08&
2
1
!
Burner grates
"
Control knobs
#
Small burner with an output of up to
3,400 BTU/h (1 kW) OptiSim
®
feature
see “OptiSim® Burner Cap Placement and
OptiSim® Burner Cap Installation” in
section~ "Accessories" on page 11
$
Medium burner with an output of up to
6,000 BTU/h (1.76 kW)
%
Large burner with an output of up to
9,010 BTU/h (2.64 kW)
&
Dual-flame burner with an output of up to
17,000 BTU/h (4.98 kW)
'
Serial Number/Rating label location
(right front underneath)
Indicators
Burner controlled by control knob
off Burner switched off
hi 9
Highest power setting and electric ignition
1 lo Lowest power setting
1 sim Small burner
Use this setting with the OptiSim
®
cap.
1 sim Dual-flame burner
Lowest power setting
Inner and outer flame on
full power.
Outer flame on low power,
inner flame on full power.
Inner flame on full power.
Inner flame on low power.
11
Sealed Burners
Your new cooktop has sealed gas burners. There are no
burner parts under the cooktop to clean, disassemble or
adjust. Your cooktop has four different burner sizes:
small, medium, large and dual-flame.
Burner Cap and Burner Base Placement
9 WARNING
To prevent flare-ups, do not use the cooktop without
all burner caps and all burner grates properly
positioned.
9 WARNING
To prevent burns, do not touch burner caps or
grates while hot. Turn the cooktop off and allow the
burners to cool.
The burner caps must be properly placed for the cooktop
to function properly. If the burner cap is not properly
placed, one or more of the following may occur:
Burner flames are too high.
Flames shoot out of burners.
Stainless steel discolors.
Burners do not ignite.
Burner flames light unevenly.
Burner emits gas odor.
Always remove the burner grates carefully. When moving
a burner grate, the burner grates next to it may also
move.
Accessories
Depending on the model, the cooktop may include the
following accessories. These can also be purchased
online at the Bosch e-Shop or from Customer Support.
--------
Order number
The customer is responsible for the proper use of
accessories.
Parts
1 Igniter
2 Thermocouple
3 Burner base
4 Burner cap
Wok ring
Only suitable for use on
dual-flame burners. Use
cookware with a rounded
base.
To extend the service life
of the appliance, we rec-
ommend using the wok
ring.
OptiSim® Burner Cap
Placement and OptiSim®
Burner Cap Installation
Burner cap that is used
only when cooking at mini-
mum output, like melting
chocolate or simmering
delicate sauces while mini-
mizing the risk of scorch-
ing.
Place the OptiSim® cap
only on the burner cap of
the small burner.
HEZ298107 Wok ring
12
Operation
Use the cooktop for surface cooking applications such
as boiling, frying, simmering, steaming and sautéing.
9 WARNING
The burning of gas cooking fuel can create small
amounts of carbon monoxide, benzene,
formaldehyde and soot. To minimize exposure to
these substances, the burners should be adjusted
by a certified installer or authorized servicer to
ensure proper combustion. Ensure proper
ventilation with an open window or use a ventilation
fan or hood when cooking with gas. Always operate
the unit according to the instructions in this manual.
9 CAUTION
To avoid possible injury or damage to the
appliance, ensure grates are installed exactly per
installation instructions and not backwards or
upside down.
In Case of a Power Failure
1.
In the event of a power failure, the burners may be lit
with a match. Press the control knob for the selected
burner and turn it counterclockwise to the highest
power setting.
2.
Hold a lit lighter or a match against the burner.
Electronic Ignition
The cooktop uses electronic igniters to light the burners.
There is no pilot light. Each burner has its own igniter.
1.
Press the control knob for the selected burner and turn
it counterclockwise to the symbol .
Sparks are produced on all burners while you are
pressing and holding the control knob. The burner
ignites.
2.
Release the control knob.
3.
Turn the control knob to the required position.
If the burner does not ignite, turn it off and repeat the
steps described above. This time, hold the control knob
down longer (up to 10 seconds).
9 WARNING
If the burner does not turn on after 15 seconds, turn
off the control knob and open the door or window in
the room. Wait at least a minute before igniting the
burner again.
Note: It is important to keep the appliance clean. If the
igniters are dirty, this may cause ignition issues. Clean
the igniters regularly with a small non-metallic brush.
Take care to prevent the igniters from suffering any
heavy impacts.
Flame Failure Safety System
Your cooktop is equipped with a safety system
(thermocouple) that cuts off the gas when the burners
are accidentally turned off.
To ensure that this device is active:
1.
Turn on the burner as usual.
2.
Without releasing the control knob, press and hold it
down firmly for 4seconds after lighting the flame.
Typical Flame Characteristics
The burner flame should be blue in color and stable with
no yellow tips, excessive noise or fluttering. It should
burn completely around the burner cap.
Checking Flame Characteristics:
If the flame is completely or mostly yellow, verify that
the regulator is set for the correct fuel. After
adjustment, retest.
Some yellow streaking is normal during the initial start-
up. Allow unit to operate 4to 5 minutes and re-
evaluate before making adjustments.
Foreign particles in the gas line may cause an orange
flame during initial use. This should disappear with
use. Check burner to make sure port holes are not
obstructed. If the ports are clogged ~ "Before Calling
for Service" on page 20
Note: An audible “pop” may be heard when the burner
is turned off manually. The “popping” may be louder with
LP gas than with natural gas. This is normal.
Turning off a burner
Turn the corresponding control knob clockwise to the
“off” position.
9 WARNING
If the burner flames are accidentally blown out, turn
the control knob of the burner to the “off” position
and do not try to relight it for at least 1minute.
Yellow flames:
Further adjustment is required.
Yellow tips on outer cones:
Normal for LP Gas.
Soft blue flames:
Normal for Natural Gas.
13
General Notes
It is normal to hear a soft whistling noise while the burner
is operating.
When first used, it is normal for the burner to give off
odors. This does not pose any risk and does not indicate
a malfunction. They will disappear in time.
An orange-colored flame is normal. This is caused by the
presence of dust in the atmosphere, spilled liquids, etc.
Getting the Most Out of Your Appliance
Suitable cookware
The cookware must not overhang the edge of the
cooktop.
Cookware Recommendations
Note: When using certain pots or pans, a slight and
temporary deformation of the steel cooking surface may
occur. This is normal and does not affect the functionality
of the appliance.
The following recommendations can help you save
energy and avoid damaging your cookware:
Proper Cookware
Aluminum or copper bottomed pans conduct heat
evenly.
Steel pans, if not combined with other metals, may
cook unevenly.
Cast-iron cookware absorbs heat slowly and cooks
more evenly at low-to-medium settings.
Flat heavy bottom pans provide even heat and
stability.
DO NOT USE pans that are thin, warped, dented or
ridged as they heat unevenly.
Cooking Times Chart
The table below lists the optimal heat settings and
cooking times for various types of food. The information
given applies when cooking four portions.
The cooking times and heat settings may vary depending
on the type of food, its weight and quality, on the type of
gas used, and on the material from which the cookware
is made. To prepare this dish, stainless steel cookware
was mainly used.
Always use cookware that is the right size and place it in
the center of the burner. You can find information about
the diameter of the cookware under ~ "Suitable
cookware"
How to use the charts
Each type of food can be prepared in one or two steps.
Each step contains information about the following:
Burner Minimum
diameter of the
cookware base
Maximum
diameter of the
cookware base
Dual-flame
burner
8
2
/
3
" (22 cm)
11¾" (30 cm)
Large burner 7¾" (20 cm) 10¼" (26 cm)
Medium burner 5½" (14 cm)
8
2
/
3
" (22 cm)
Small burner 4¾" (12 cm) 6¼" (16 cm)
Use the right size pans for
each burner.
Do not use small pans on
large burners. The flame
should not touch the sides
of the pan.
Do not use damaged pans
that do not sit evenly on
the cooktop. Pans may tip
over.
Only use pans with a thick,
flat base.
Do not cook without a lid
and make sure the lid is
properly placed to avoid
wasting energy.
Always make sure the pan
is well-centered on the
burner, 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
burner grates, never
directly on the burner.
Make sure that the burner
grates and burner caps are
correctly placed before
using the appliance.
Pans should be placed on
the cooktop carefully.
Do not strike or place
excessive weight on the
cooktop.
˜
Cooking method
§
Heat setting
v
Cooking time in minutes
OEV
OEV
14
Cooking methods featured in the table
Note: The symbols do not appear on the appliance.
They are used here to represent the various cooking
methods.
Information on how to cook food on the different burners
is displayed. We recommend using the first burner that
was mentioned. The model overview describes all of the
burners on the cooktop.
Example:
This example shows the preparation of fish soup using
the large burner, the medium burner and the dual-flame
burner.
When using the large burner (recommended option), the
total cooking time is between 12and 17minutes.
Step 1: Bring to the boil. Set heat setting 8for 7-
9minutes.
Step 2: Continue boiling. Switch to heat setting 1for 5-
8minutes.
This information also applies for the other suggested
burners.
Bringing to the boil
œ
Continuing cooking
£
Building up pressure in the pressure cooker
¦
Maintaining pressure in the pressure cooker
š
Frying on high heat
Frying gently
Ÿ
Melting, liquefying
* Without lid
** Stirring constantly
*** With OptiSim®
Meal Total
time in
min.
Step 1 Step 2
Burner
˜§v ˜§v
Soups, creamy soups
Fish soup
Large burner 12-17
8 7-9
œ
1 5-8
Medium
burner
17-22
8 11-
13
œ
1 6-9
Dual-flame
burner
10-15
9 4-6
œ
4 6-9
Food Total
time
in
min.
Step 1 Step 2
Burner
˜§v ˜§v
Soups, creamy soups
Fish soup
Large
burner
12-17
8 7-9
œ
1 5-8
Medium
burner
17-22
8 11-13
œ
1 6-9
Dual-flame
burner
10-15
8 5-7
œ
4 5-8
Minestrone (vegetable soup)
Large
burner
47-52
9 10-12
œ
5 37-40
Medium
burner
57-62
9 10-12
œ
6 47-50
Dual-flame
burner
45-50
7 8-10
œ
4 37-40
Pasta and rice
Spaghetti
Large
burner
18-22
9 8-10
œ
6 10-12
Medium
burner
20-24
9 10-12
œ
7 10-12
Dual-flame
burner
17-21
8 7-9
œ
6 10-12
Rice
Large
burner
17-22
9 5-7
œ
2 12-15
Medium
burner
18-23
9 7-9
œ
6 11-14
Dual-flame
burner
13-18
7 4-6
œ
4 9-12
Ravioli
Large
burner
9-14
9 4-6
œ
6 5-8
Medium
burner
17-22
8 12-14
œ
8 5-8
Dual-flame
burner
8-13
8 3-5
œ
8 5-8
Vegetables and legumes
Boiled potatoes (mashed, potato salad)
Large
burner
23-28
£
9 8-10
¦
5 15-18
Medium
burner
25-30
£
9 10-12
¦
6 15-18
Dual-flame
burner
22-27
£
9 8-10
¦
7 14-17
15
Hummus (puréed chickpeas)
Large
burner
50-55
£
9 10-12
¦
4 40-43
Dual-flame
burner
47-52
£
7 10-12
¦
6 37-40
Medium
burner
52-57
£
9 12-14
¦
5 40-43
Mountain lentils
Large
burner
40-45
9 8-10
œ
8 32-35
Medium
burner
50-55
9 18-20
œ
6 32-35
Dual-flame
burner
40-45
9 8-10
œ
4 32-35
Deep-fried vegetables
Large
burner
12-17
š*
7 6-8
š*
6 6-9
Dual-flame
burner
10-15
š*
7 5-7
š*
5 5-8
Medium
burner
20-25
š*
9 20-25
Sautéed fresh vegetables**
Dual-flame
burner
5-7
š*
9 5-7
Large
burner
6-8
š*
9 6-8
Chips
Dual-flame
burner
13-18
š*
7 13-18
Large
burner
15-20
š*
9 15-20
Medium
burner
25-30
š*
9 25-30
Eggs
Omelette (1port.)
Medium
burner
3-5
š*
8 3-5
Large
burner
2-4
š*
9 2-4
Dual-flame
burner
2-4
š*
5 2-4
Spanish tortilla
Large
burner
25-30
š*
9 25-30
Dual-flame
burner
18-23
š*
7 18-23
Food Total
time
in
min.
Step 1 Step 2
Burner
˜§v ˜§v
Sauces
Tomato sauce
Dual-flame
burner
20-25
9 4-5
œ
1 16-20
White sauce**
Small
burner
10-15
Ÿ*
6 2-4
œ*
6 8-11
Medium
burner
10-15
Ÿ*
5 2-4
œ*
5 8-11
Large
burner
3-8
Ÿ*
5 1-2
œ*
5 2-6
Blue cheese sauce**
Small
burner
4-6
Ÿ*
7 4-6
Medium
burner
3-5
Ÿ*
7 3-5
Dual-flame
burner
4-6
Ÿ*
3 4-6
Neapolitan sauce
Medium
burner
18-23
š*
6 2-4
*
4 16-19
Large
burner
13-18
š*
9 1-3
*
8 12-15
Dual-flame
burner
13-18
š*
7 1-3
*
5 12-15
Carbonara sauce
Medium
burner
10-15
*
6 5-7
*
3 5-8
Large
burner
8-13
*
5 4-6
*
3 4-7
Dual-flame
burner
10-15
*
3 10-15
Fish
Breaded cod
Large
burner
5-10
š*
8 5-10
Medium
burner
8-13
š*
9 8-13
Dual-flame
burner
5-10
š*
6 5-10
Baked salmon
Large
burner
5-10
š*
7 2-4
1 3-6
Medium
burner
5-10
š*
8 2-4
1 3-6
Dual-flame
burner
4-9
š*
6 2-4
1 2-5
Food Total
time
in
min.
Step 1 Step 2
Burner
˜§v ˜§v
16
Mussels
Large
burner
5-7
9 5-7
Dual-flame
burner
3-5
9 3-5
Medium
burner
10-12
9 10-12
Meat
Duck breast (x 1)
Medium
burner
6-8
š*
7 6-8
Large
burner
9-11
š*
7 9-11
Dual-flame
burner
6-8
š*
5 6-8
Beef tenderloin stroganoff
Large
burner
8-13
š*
9 8-13
Dual-flame
burner
5-10
š*
7 5-10
Medium
burner
12-17
š*
9 12-17
Chicken (8chicken breast fillets)
Large
burner
7-12
š*
9 2-4
š*
6 5-8
Dual-flame
burner
7-12
š*
9 2-4
š*
6 5-8
Medium
burner
7-12
š*
9 7-12
Ground meat
Large
burner
15-20
š*
8 15-20
Medium
burner
20-25
š*
9 20-25
Dual-flame
burner
15-20
š*
6 15-20
Convenience products
Frozen croquettes (x 16)
Frozen fish fingers (x 12)
Large
burner
6-10
š
8 6-10
Medium
burner
8-12
š
8 8-12
Dual-flame
burner
4-8
š
8 4-8
Food Total
time
in
min.
Step 1 Step 2
Burner
˜§v ˜§v
Fried sausages (x 12)
Large
burner
5-10
š
9 1-3
š
7 4-7
Medium
burner
7-12
š
9 7-12
Dual-flame
burner
5-10
š
8 1-3
š
7 4-7
Boiled sausages (x 12)
Medium
burner
8-13
9 8-13
Large
burner
9-14
7 9-14
Dual-flame
burner
9-14
4 9-14
Hamburger (x 4pcs., 0.4in/1cm, 110g)
Large
burner
4-9
š*
9 1-3
š*
7 3-6
Medium
burner
6-11
š*
9 1-3
š*
7 5-8
Dual-flame
burner
3-8
š*
9 1-3
š*
7 2-5
Frozen vegetables**
Large
burner
7-12
š*
9 7-12
Dual-flame
burner
5-10
š*
9 5-10
Medium
burner
10-15
š*
9 10-15
Pizza (8inch)
Dual-flame
burner
4-8
4 4-8
Large
burner
16-20
1 16-20
Desserts
Rice pudding**
Medium
burner
30-35
*
8 9-11
œ*
4 21-24
Small
burner
40-45
*
9 12-14
œ*
2 28-31
Dual-flame
burner
23-28
*
6 8-10
œ*
4 15-18
Melting chocolate
Small
burner***
10-15
Ÿ*
1
Crêpes (x 4)
Large
burner
17-22
š*
7 1-3
š*
5 16-19
Dual-flame
burner
9-14
š*
5 1-3
š*
4 8-11
Medium
burner
20-25
š*
9 1-3
š*
7 19-22
Food Total
time
in
min.
Step 1 Step 2
Burner
˜§v ˜§v
17
Cooking tips
Use a pressure cooker to cook creamy soups and
legumes. This significantly reduces the cooking time. If
you are using a pressure cooker, follow the
manufacturer's instructions. Add all of the ingredients
at the start.
Always use a lid when cooking potatoes and rice. This
significantly reduces the cooking time. The water must
be boiling before you add pasta, rice or potatoes.
Then adjust the heat setting to continue boiling.
For pan-cooked dishes, heat the oil up first. As soon
as you have started the frying, keep the pan at a
constant temperature by adjusting the heating setting
as required. When preparing several portions, wait
until the relevant temperature has been reached again.
Turn the food regularly.
When cooking soups, cream, lentils or chickpeas, add
all of the ingredients to the cookware at the same time.
Bread pudding (in the double boiler)
Large
burner
25-30
£
9 10-12
¦
6 15-18
Dual-flame
burner
22-27
£
9 7-9
¦
7 15-18
Medium
burner
30-35
£
9 12-14
¦
7 18-21
Custard**
Large
burner
3-8
œ*
5 3-8
Medium
burner
8-13
œ*
5 8-13
Dual-flame
burner
8-13
œ*
3 8-13
Sponge cake (in the double boiler)
Large
burner
35-40
9 35-40
Dual-flame
burner
40-45
9 40-45
Food Total
time
in
min.
Step 1 Step 2
Burner
˜§v ˜§v
18
Cleaning and Maintenance
Cleaning
The entire cooktop can be safely cleaned by wiping with
a soapy sponge, then rinsing and drying. If stubborn soil
remains, follow the recommended cleaning methods
below.
Cleaning recommendations:
Always use the mildest cleaner that will do the job.
Use clean, soft cloths, sponges or paper towels.
Rub stainless steel finishes in the direction of the
grain. Wipe area dry to avoid water marks.
Before cleaning, be certain the burners are turned off
and the grates and burners are cool.
Do not clean removable cooktop parts in any self
cleaning oven.
After cleaning, place all parts in their proper positions
before using cooktop.
For proper burner performance, keep igniters clean
and dry.
Keep the igniter ports clean for proper lighting
performance of the burners. It is necessary to clean
these when there is a boilover or when the burner
does not light even though the electronic igniters click.
Do not use flammable cleansers such as lighter fluid.
9 CAUTION
All igniters spark when any single burner is turned
on. Do not touch any of the burners when the
cooktop is in use.
Cleaning Guidelines
The cleaners recommended below and on the following
page indicate a type and do not constitute an
endorsement of a particular brand. Use all products
according to package directions.
Cooktop Part / Material Suggested Cleaners Important Reminders
Burner base /
aluminum alloy
Nonabrasive Cleaner: Dish soap and hot
water. Rinse and dry immediately.
Mild Abrasive Cleaners: Bon Ami® or
Soft Scrub®.
Do not scratch or gouge the port open-
ings.
Clean ports with a wire or straightened
paper clip.
Do not use a toothpick that may break
off.
Do not soak burner bases.
A toothbrush can be used for stubborn
stains.
Burner cap / porcelain
enamel
Nonabrasive Cleaner: Dish soap and hot
water. Rinse and dry immediately.
Nonabrasive Cleaners: Ammonia, Fan-
tastic
®
, Formula 409
®
.
Mild Abrasive Cleaners: Bon Ami
®
, Ajax
®
,
Comet
®
.
Liquid Cleaners: Kleen King
®
, Soft
Scrub
®
.
For food stains, use an abrasive cleaner
such as, Zud
®
or Bar Keepers Friend
®
.
Acidic and sugar-laden spills deteriorate
the porcelain enamel.
Do not use wet sponge or towel on hot
porcelain.
Do not soak burner caps.
Always apply minimal pressure with abra-
sive cleaners.
Dry thoroughly and make sure burner
cap is seated properly on burner base
after cleaning.
19
Maintenance
The appliance requires only regular cleaning for proper
operation. No other maintenance is required.
For detailed instructions see ~ "Cleaning and
Maintenance" on page 18
Control knobs and
grommets
Nonabrasive Cleaner: Dish soap and hot
water.
Dry thoroughly after cleaning.
NOTICE: Do not remove the control knobs
when cleaning the appliance. The appliance
may be damaged if moisture finds its way
inside.
Do not soak knobs or grommets.
Do not use abrasive scrubbers or clean-
ers, such as Bon Ami®, Ajax®, or
Comet®. They may permanently damage
the finish or remove graphics.
9 WARNING
Do not remove grommets or white
rings as they will require Customer
Service to refit and the cooktop must
not be used without all parts fitted cor-
rectly.
Exterior finish / stainless
steel
Nonabrasive Cleaners: Dish soap and
hot water, Fantastic
®
, Formula 409
®
.
Rinse and dry immediately.
Cleaner Polish: Stainless Steel Magic
®
to
protect the finish from staining and pit-
ting; enhances appearance.
Hard water spots: Household white vine-
gar.
Mild Abrasive Cleaners: Kleen King Stain-
less Steel liquid cleaner, Bon Ami
®
.
Heat discoloration: Bar Keepers Friend
®
Do not use steel wool pads. They will
scratch the surface.
Stainless steel resists most food stains
and pit marks providing the surface is
kept clean and protected.
Never allow food stains or salt to remain
on stainless steel for any length of time.
Rub lightly in the direction of the grain.
Chlorine or chlorine compounds in some
cleaners are corrosive to stainless steel.
Check ingredients on label before using.
Grates and grate bridge /
porcelain enamel on cast
iron
Nonabrasive cleaners: Hot water and
detergent, Fantastic
®
, Formula 409
®
.
Rinse and dry immediately.
Mild Abrasive Cleaners: Bon Ami
®
and
Soft Scrub
®
.
Stubborn Stains: Use soap-filled steel
wool pads.
You may also clean the burner grates in
the dishwasher. Remove any burnt-on
food prior to placing the burner grates in
the dishwasher. Place them on the low-
est rack of dishwasher and use the dish-
washer manufacturer’s recommended
detergent.
The grates are heavy; use care when lift-
ing. Place on a protected surface for
cleaning.
Blisters/ crazing/ chips are common due
to the extreme temperatures on grate fin-
gers and rapid temperature changes.
Acidic and sugar-laden spills deteriorate
the enamel. Remove soil immediately
after unit has cooled enough to touch.
Abrasive cleaners, used too vigorously or
too often can eventually mar the enamel.
Do not clean in a self-cleaning oven.
Igniters / ceramic Carefully wipe with a cotton swab damp-
ened with water, ammonia or Formula
409
®
.
Gently scrape soil off with a toothpick.
Avoid excess water on the igniter. A
damp igniter will prevent burner from
lighting.
Remove any lint that may remain after
cleaning.
Cooktop Part / Material Suggested Cleaners Important Reminders
20
Service
Before Calling for Service
Before calling Customer Service, consider the
suggestions and instructions below:
9 CAUTION
Repairs should only be done by an authorized
servicer.
Improper repair of your appliance may result in risk
of severe physical injury or death.
How to Obtain Warranty Service
To obtain warranty service for your Product, you should
contact the nearest Bosch authorized servicer.
Model (E) number and FD number
When you contact our service, please have the Model
(E) number and the FD number for your appliance
available.
You can find this information on the rating label
in the Appliance Document List
on the underside of the appliance
Questions? Please contact us. We look forward to
hearing from you.
Problem Possible cause Suggestion
The general electrical
system is malfunction-
ing.
Defective fuse. Check the fuse in the main fuse box and
change it if it is damaged.
The circuit breaker has tripped. Check the power control panel to see if the
circuit breaker has tripped.
The function for auto-
matically turning on the
cooktop does not work.
There may be food or cleaning products
stuck between the igniters and the burners.
The space between the igniters and the
burner must be clean.
The burners are wet. Dry the burner caps carefully.
The burner caps are not correctly posi-
tioned.
Check that the burner caps are correctly
positioned.
The burner flame is not
uniform.
The burner components are not correctly
positioned.
Correctly place the parts on the appropriate
burner.
The grooves on the burner are dirty. Clean the grooves on the burner.
The burner immedi-
ately turns off after
releasing the control
knob.
The control knob was not held down long
enough.
Once the burner is on, hold the control knob
down a few seconds longer.
The grooves on the burner are dirty. Clean the grooves on the burner.
$
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Bosch NGM8057UC User guide

Category
Fireplaces
Type
User guide
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