Chef's EH-IH555 User manual

Electric Induction hobs Chef’s EH-IH555
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INSTALLATION AND OPERATION MANUAL
ELECTRIC INDUCTION HOBS
(BUILT-IN)
Model: EH-IH555
Please read the instruction manual carefully before using

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TABLE OF CONTENTS
PREFACE
1. SAFETY INSTRUCTION.. ……………………………………………………………
2. INSTALLATION INSTRUCION ………………………………….………………….
3. INDUCTION COOKING ………………………………………….…………………..
4. PRODUCT SPECIFICTION …………………………………….……….……………
5. GETTING FAMILY WITH THE HOB ........................................................................
6. SWITCHING ON/OFF ………………….......................................................................
7. SELECTING POWER LEVEL FOR A COOKING ZONE.......................................
8. RESIDUAL HEAT INDICATION.................................................................................
9. AUTOMATIC SAFETY OFF.........................................................................................
10. PROTECTION AGAINST UNINTENTIONAL ACTIVATION.............................
11. KEY LOCK ....................................................................................................................
12. OPERATING THE TIMER …………….....................................................................
13. HEATUP TIME AUTOMATIC………………………………………………………
14. PAUSE FUNCTION…………………………………………………………………...
15. WARMING FUNCTION……………………………………………………………...
16. BOOSTER FUNCTION……………….........................................................................
17. POT DETECTION….…………………........................................................................
18. ERRORS CODE …........................................................................................................

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Preface
Thank you for choosing CHEF’S cooking appliances.
Read this instructions carefully.
Only after doing this will you be able to operate your appliance properly.
Keep this Instructions in a safe place. If the appliance is given to another
person, ensure the appliance documentation is also included.
Any defects and losses caused by ignoring the mentioned items and cautions
mentioned in the operation and installation instruction are not covered by our
warranty and any liability. Please keep all document in a safety place for future
reference. If you have any doubt, please contact our local customer service center
or dealer.
Check the appliance after removing it from the packaging. If you find the
induction hob (built-in) is visibly damaged, do not use it.
Contact your local Customer Service or dealer immediately.

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1. Safety Instructions
The induction hob (built-in) is designed for domestic use only. Only use the
induction hob for food preparation so that it should be installed in the kitchen.
Safe operation:
To use this appliance safely, adults and children who as a result of
* physical, sensory or mental disability
* or lack of experience or knowledge are not capable of using this
appliance should not do.
Children must be supervised to ensure that they do not play with the appliance.
Overheated oil, butter or margarine:
Overheated oil or butter (margarine) can quickly ignite. It may cause a fire!
Ensure that you keep a constant watch when cooking foods with oil or butter.
In the event that the oil or butter catches fire, never use water to put it out. Put
the fire out quickly by covering the pan with a cover or dish. Switch off the
hotplate.
Not to add additional timer or remote control to control the hob.
Hot cooking hob
Risk of burns! Do not touch the hot areas of the hob. It is imperative that
children keep away from the appliance. The residual heat Indicator tells you if the
hotplates are hot (See “Residual heat warning light” section ).
It may cause a fire! Never rest flammable objects on the cooking hob.
It may cause a fire! If there is a drawer below the induction hob, this should
not be used to store any flammable objects or sprays.
Wet hotplates and pan bases
Risk of injuries! If there is any liquid between the base of
the pan and the hotplate this could generate steam pressure.
As a result, the pan could jump unexpectedly.
Always ensure that the hotplate and the base of the pan are
kept dry.

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Cracks in the hob
Risk of electrocution! Disconnect the appliance from the mains if the induction
hob is broken or cracked. Contact Local Customer Service or Dealer.
The hotplate heats up but the visual indication does not work
Risk of burns! Disconnect the hot plate if the indicator does not work. Contact
Local Customer Service or dealer.
Do not place metal objects on the Induction hob
Risk of burns! Do not leave cutlery, lids or other metal
objects on the hob as they can heat up very quickly.
Taking care of the cooling fan
This induction hob is fitted with a fan in the lower section.
Risk of malfunction! If a drawer is fitted beneath the hob you must not keep
small objects or paper in it as, if they are Picked up, they could damage the
cooling fan or affect the cooling system.
Please, note: there should be a minimum distance of 2 cm between the drawer
contents and the cooling fan.
Incorrect repairs
Risk of electric shock! Incorrect repairs can be dangerous.
Repairs may only be carried out by the Customer Service.
Power cable
Any work on the appliance, including replacing the power Cable must be
carried out by the Customer Service.
The power cable of the appliance must not touch the hot areas of the hob. The
cable insulation and hob can be damaged.
This appliance complies with current safety regulations and electromagnetic
compatibility regulations.
Nevertheless, people with a peacemaker should not use this appliance.

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It is impossible to guarantee that all such devices found on the market comply
with current safety regulations and electromagnetic compatibility regulations, and
that dangerous interference will not occur. It is also possible that people with other
types of device, such as hearing aid, could experience some discomfort.
Switching the hob off
Always switch the hob using the main switch of the Control Panel after each
use. Do not wait until the hob switches off automatically when the pan is
removed.
Causes of damage:
The base of the pans
The rough bases of pans may scratch the hob.
Avoid leaving empty pans on the hotplates. These
may cause damage.
Hot pans
Never rest hot pans on the control panel, the indicator area or the hob surround.
Salt, sugar and sand
salt, sugar and sand may scratch the ceran glass.
Do not lean on the hob or use it as work surface.
Hard and pointed objects
Hard or pointed objects may cause damage if they fall
onto the hob.
Spilt food
Sugar and other similar products may damage the hob.
These products should be removed immediately using a
glass scraper.
Inappropriate cleaning products
Discolorations in the metal are caused by using unsuitable cleaning products
and wear as a result of contact with pans.

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Plastic and foil
Aluminum foil and plastic containers will melt if placed on the hot areas of the
hob.
Advice on saving energy
Use a pan with thick flat base. Curved bases increase
energy consumption.
Place a ruler on the base of the pan, if there are no
gaps, the base of the pan is completely flat.
The diameter of the base of the pan should fit the
size of the hotplate.
Check if the manufacturer has indicated the upper diameter of the pan. In
general, this is greater than the diameter of the base of the pan.
If the diameter of the pan does not fit the diameter of the hotplate, you are
recommended to use a pan which is larger than the size of the hotplate, or else
about half the energy will be lost.
Choose pans which are the right size for the amount of food to be prepared. A
large pan which is half full will consume a lot of energy.
Always centre the pan on the hotplate and always cover the pan with the
matching lid. Cooking without using the lid quadruples energy consumption.
Cook using small amounts of water. This will save energy and will also help
green vegetables retain their vitamins and minerals.
During their cooking, food such as stews, soups may heat up too quickly
without any indication, spilling out of the cookware.
It is therefore advisable to heat this type of food gently, selecting a suitable
power level and stirring the contents before and during cooking.
We recommend not to use for Induction hob pots that have been used in a gas
hob fire can deform the flatness of bottom). In case of use, check that bottom is
flat.

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2. Installation instructions
EH-IH555 Cut-out Dimension
Important notes
Safety in use is only guaranteed if the
technical installation of the hob has been
carried out correctly and in accordance with
the installation instructions. The installation
technician shall be liable for any damage cause
as a result of incorrect installation.
Only an authorized technician is able to
connect the appliance. The guidelines set out by the electricity provider must be
observed.
This appliance should be used only with an earthed connection.

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Using this appliance without an earthed connection or after it has been
incorrectly installated may, in very rare cases, cause serious harm.
The manufacturer accepts no responsibility for any malfunction or damage
which is caused by incorrect electrical installation.
If the appliance is not fitted with an accessible plug, disconnecting means must
be incorporated in the fixed installation, in accordance with the installation
regulations.
The power cable must be positioned so that it does not touch any of the hot
parts of the hob.
Refrigerators, dishwashers, ovens, or washing machines must not be installed
under the induction hob.
Any change to the appliance’s interior, including changing the power cable,
must be performed by the Customer Service.
Preparing the Kitchen
The worktop should be flat and horizontal. The aperture should be cut before
the appliance is installed. Remove any shavings, as these can affect the operation
of the electrical components. When the cutting has been completed, the unit’s
stability should be checked again.
Surfaces which have been cut should be sealed so that they are heat resistant
and so that they do not swell when moist.
The kitchen units to be fitted must resist temperatures of up to 90oC.
The gap between the aperture and the side wall must be at least: 40 mm
It is not recommended that the hob be placed between two side walls but, if
this is the case, a gap of at least 200 mm should also be left on one side.
If the induction hob is installed above a sterilizer there must be a gap of 70 mm
from the top of worktop to the top of the sterilizer.
If the induction hob is installed without sterilizer or above a drawer, the
worktop thick around the hob must be 20 mm as minimum.

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If the interior width of the kitchen unit is less than 700 mm, a 80 mm –long
cut must be made in the side walls from the top section of the hob.
Taking into account the hob ventilation:
An aperture must be cut in the top section of the back of the kitchen unit, 680
mm wide and 45 mm high.
There must be a gap of 20 mm between the back of the kitchen unit and the
kitchen wall.
if the hob is installed above a drawer, allow a gap of 65 mm between the
drawer and the top section of the worktop.
Installing and connecting the hob
The earth wire ( green and yellow) should be connected first and disconnected
last. It should also be longer than the others, so that even if the hob is moving the
other wires can be disconnected before
the earth wire.
Connection diagram ( see figure)
1. Brown
2. Blue
3. Green and Yellow
Is required 2x16A electrical installation at customer’s house (electrical circuit,
socket and fuse ).
Do not trap the lead during installation and do not guide it over sharp edges.
The hob and the worktop should not be sealed with silicone as the hob itself
has a seal which serves this function.
Removing the hob
Disconnect the cooker from the power supply.
Push out the hob from below
3. Induction cooking
Advantages of induction cooking
Greater speed in cooking and frying; as the pan is heated directly.

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Reduced energy consumption
Cleaner and easier to use; spilt food does not burn as much on the hob.
Cooking control and safety; the hob supplies or cuts off the heat as soon
as the controls are operated. The Induction hotplate stops supplying heat if
the pan is removed before the power has been switched off.
Suitable pans
Ferromagnetic pans are the only pans which are suitable for induction cooking.
They can be made of:
enameled steel
cast iron
specially designed cookware for induction cooking made from stainless
steel
Special pans for induction cooking.
Other types of special pans are available for induction cooking, where the base
of the pan is not entirely ferromagnetic. Check the diameter as this could affect the
pan detection as well as the cooking results.
Checking pans using a magnet
To find out whether the pans are suitable, check
that they are attracted to a magnet.
The manufacturer will usually indicate if their
pans are suitable for induction cooking.
Unsuitable pans. Never use pans made from:
standard, high quality steel
glass / earthenware
copper / aluminum
Characteristics of the base of the pan
The characteristics of the base of the pan can
affect the evenness of the cooking.
Pans which are made from heat-diffusing materials ( such as “sandwich” pans
made from stainless steel) distribute the heat evenly, saving time and energy.

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No pan or incorrect size pans
If no pan is place on the hotplate, or the pan is not made of a suitable material
or it is not a suitable size, the heat setting on the hotplate indicator will flash.
Place a suitable pan on the hotplate to stop the indicator flashing. If there is a
delay of more than 90 seconds, the hotplate switches off automatically.
Empty pans or pans with a thin base
Do not heat empty pans and do not use pans with thin bases. Although your
hob is equipped with an internal safety system, empty cookware can heat up so
quickly that the “automatic OFF” function does not have time to react and a very
high temperature may be reached. The base of the pan could melt and damage the
hob’s glass surface. If this happens, do not touch the pan and switch off the
hotplate. If it does not work after cooling, contact our Local Service Center or
dealer.
Pan detection
Each hotplate has a minimum limit for pan detection which varies according to
the material from which the pan being used is made. It is for this reason you are
recommended to use a hotplate which matches the diameter of the pan.
Pan size detection
Cooking zone
Pan size minimum
230mm
130mm
180mm
90mm

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4. Product’s specification
Specification
Model
EH-IH555
Voltage
220VAC
Frequency
50Hz
Individual power (kW) Left front hotplate /
Cooking zone (cm)
3700W (booster) / 22cm
Individual power (kW) left rear hotplate /
Cooking zone (cm)
2200W (booster) / 16cm
Individual power (kW) Right hotplate /
Cooking zone (cm)
3700W (booster) / 26cm
Total Power
6800W
Dimension (W×D×H) mm
600 x 520 x 60
Height above installation table mm
5.5
Cut-out size (W×D) mm
560 x 490
Minimum thickness of installation table mm
20
Installation method
Built-in
Net weight (kg)
7.0
Gross weight kg
8.0
Faceplate
Shott ceran Glass,
black color

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5. Getting family with the hob.
Fig. 1: Touch control for EH-IH555
6. Switching ON/OFF
6. 1 Switching On/Off the Touch control(TC)
After connecting to the mains, the TC unit takes 1 second to prepare for
operation. After a reset all 7 - segments displays flashes up for 1 second. After
1 second all 7 - segments displays are switched off again.
The TC unit may be switched ON by pressing the “ ON/OFF” key after 1sec
connected to mains. All 7 - segments display show “ 0”.
If a cooking zone is hot the display toggles between “ 0” and “H”.
Fig.2: Turn on the TC by press on the ON/OFF key
After switching on the electronic will be active for 10 seconds. If no cooking
zone or timer is selected within this time the touch control automatically returns to
the “ STANDBY Mode” with an acoustic buzzer signal.
The touch control can be activated when only the “ ON/OFF” key is pressed.
If any other additional key is pressed, it does not switch ON.

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Fig.3: Turn off the TC by press on the ON/OFF key
If the ON/OFF key is pressed while operating the touch control can be
switched OFF at any time even when the key lock function is active.
6. 2 Automatic switching Off
The TC switches from Power ON to OFF after 10 sec., provided that no
cooking zone is activated or a select key is pressed during that time.
6. 3 Switching On/Off a Cooking zone
If the touch control is already switched ON, a cooking zone and cooking level
can be selected at once by touching the slider area of the according cooking zone.
By “sliding” the finger on the slider area the cooking level can be increased or
decreased. This will be displayed on the bargraph according to the position of the
finger.
Fig.4: Switching ON a cooking zone by touch on the slider area.
Additionally the 7 segment display of the cooking zone will show the cooking
level. A second alternative user philosophy could be designed to first activate a
cooking zone touching the slider area and then in a second step selecting the
cooking level.

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Switching a single cooking zone OFF:
A single cooking zone can be switched OFF by directly selecting cooking level
“0” or through sliding down to “0”. If a cooking zone is switched OFF but still
hot the according display will show “ H”.
Fig. 5: Switching OFF a cooking zone by sliding to “0” level
Switching OFF all cooking zones:
Immediately switching OFF all cooking zones is always possible by using the
ON/OFF key.
Fig.6: Switching OFF all cooking zones by press on the ON/OFF key.
7. Selecting power level for a cooking zone
The power of the cooking zone is adjustable in 10 different stages: the
respective stage is displayed ([1] to [9] and booster) via LED –seven –segment -
displays.
The power stages are only determined by the how many keys you slide, but not
the position you slide. All the slider operation should be made within the slider
area.
To adjust the power level by sliding the finger on slider bar to right (to
increase) and left (to decrease).

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Fig.7: Adjusting power level by sliding finger on slider area.
And the cooking zone is ready for Boost Function.
Booster as highest cooking level. Display on the bargraph and optionally
showing “P“ on a 7 segment display.
Booster as special cooking level: Booster can be activated by sliding to the
highest cooking level then remove the finger from the slider and then select the
highest cooking level again.
8. Residual heat indication
For induction heating element, after turn off the cooking zone, the residual is
determined by Induction heating element temperature sensor.
It is to be understood that cooking zone temperatures higher than + 65°C
are critical on touch.When the temperature is higher than + 65°C, residual heat
indication will be occurred with “H”.
Fig.8: Residual heat warning after cooking.
The residual heat indication of each cooking zone remains activated until the
calculated temperature is lower than +60 °C.

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9. Automatic safety off ( induction cooking )
For each activated cooking zone a max. operating time is definedin case the
user forget. The max operating time is depending on the selected cooking stage
(see below table). After the expiration of the max, operating time the cooking zone
is automatically switched off.
Each actuation of the cooking zone status (changing the cooking level etc.)
resets the count - down timer to the initial starting value.
Timer settings takes priority vs. operating time limitations for high
cooking stage setting, i.e. the cooking zone is deactivated, when the timer has
expired and not when this is requested by the automatic switch - off (e.g. timer 90
minutes to cooking stage 9).
Mức CS
Tỷ lệ công suất
Công suất
Thời gian hoạt động
( phút)
P
100.0%
3700
10
9
75.6%
2200
80
8
66.5%
1800
108
7
52.5%
1575
138
6
41.0%
1230
138
5
30.0%
900
210
4
21.0%
630
258
3
12.5%
375
318
2
7.0%
210
402
1
3.0%
90
516
Warm 1
1.5%
80
480
Warm 2
1.0%
70
480
Warm 3
0.5%
60
480
Table 1: Table of working hour limitation (Automatic safety off).

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10. Protection against unintentional activation
The electronic system cuts off automatically in case of an identified
permanent use of keys for about 10 seconds.
Water sprink led on the glass surface does not always lead to a key actuation
and can not be surely detected.
The power ON/OFF key has priority over any other key hence the control can
be switched Off even if other keys are pressed or a permanent use of keys is
detected.
11. Key lock
Activating Key-Lock:
By pressing on the “ key lock” key for 1 seconds in the wait mode will
lock the keyboard and the assigned key - lock LED is steady illuminated.
The control continues to work in the set mode, but may no longer be operated
with any key, except the key - lock key itself and the on/off key.
Fig.9: Lock / Unclock the TC by press on Key - Lock key in 1 second.
The status of the Key-Lock function is not saved in EEPROM (only RAM) and
will thus, be eliminated in the event of a mains failure.
Unlocking / Disabling Key-Lock:
The repeated pressing on the “key - lock” keyfor 1 seconds in active mode to
unlock the keyboard and the assigned key - lock LED off. All sensor keys may be
operated as usual again.

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12. Operating the timer
12.1 Basics
The timer module contains up to 2timers. 1timer which can be assigned for the
cooking zones and 1 independent timer called “ egg - timer”. The three 7 -
segment displays show the remaining time until the alarm is activated.
All timers work as count down timers. The operation range is between 1 min to
1h 59min.
For remaining times less than 9min 59sec the display is exact to the second.
Before activating a timer the control has to be switched on. Switching the control
off deactivates cooking zone related timers.
The “egg timer” stays active after switching the control off.
Fig.10: Two timer supported for hob.
Audible signal with timing, two cooking zones are invidiually programmable
cooking zone - Timer from 0 to 1.59 hours.
In order to assure clear assignment of the actual displayed remaining
time to a cooking zone, each cooking zone has a luminous symbol which is fully
lighted when the timer for this cooking zone is displayed in the 3 digit 7 - segment
display.
If the timer of a cooking zones is not active the symbol is inactive. If a cooking
zone timer is active but not displayed on the 3 digit 7 - segment display the
luminous symbol is illuminated half (dimmed). Alternatively this differentiation
can also be done using flashing or static luminous symbols.