Chef's EH-MIX386 User manual

Electric Induction hobs Chef’s EH-DIH386 & EH-MIX386
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INSTALLATION AND OPERATION MANUAL
ELECTRIC INDUCTION HOBS
(BUILT-IN)
Model: EH-MIX386
EH-DIH386
Please read the instruction manual carefully before using

Electric Induction hobs Chef’s EH-DIH386 & EH-MIX386
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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. BOOSTER FUNCTION………………..............................................................................
9. RESIDUAL HEAT INDICATION ............................................. ........................................
10. KEY LOCK FUNCTION . ......................... ..................................................... .................
11. AUTOMATIC SAFETY OFF..................................................... ....................................
12. DUAL CIRCUIT ACTIVATION .....................................................................................
13. OPERATING THE TIMER …………….........................................................................
14. POT DETECTION… .………………… ............................. ............................................
15. POWER REDUCTION IN CASE OF OVERHEATING ……………............................
16. RICE COOKING FUNCTION…………………………………………….…………………
17. POWER CONSUMPTION DISPLAY FUNCTION………………………………………..
18. ERROR OUTPUT, ERROR HANDLING……………………………….………………….

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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.
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

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Risk of burns! Disconnect the hotplate 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.
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.

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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.
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.

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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.
2. Installation instructions
EH-MIX386 / EH-DIH386 Cut-out Dimension

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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.
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.

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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.
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

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Is required 16A 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.
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

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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.
No pan or incorrect size pan
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-MIX386
EH-DIH386
Voltage
220VAC
220VAC
Frequency
50Hz
50Hz
Individual power (kW)
Left hotplate / Cooking zone (cm)
2200W / 22cm
( radiant)
3000W ( booster) /
23cm
Individual power (kW)
Right hotplate / Cooking zone (cm)
3000W ( booster) / 22cm
2300W / 22cm
Induction total rated power (KW)
5200W
3600W
Dimension (W×D×H) mm
750 x 450 x 60
750 x 450 x 60
Height above installation table mm
5.5
5.5
Cut-out size (W×D) mm
670 x 380
670 x 380
Minimum thickness of
installation table mm
20
20
Installation method
Built-in
Built-in
Net weight (kg)
8.0
8.0
Gross weight kg
9.0
9.0
Faceplate
Shott caran Glass,
black color
Shott caran Glass,
black color

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5. Getting family with the hob.
Fig. 1: Touch control for EH-MIX386.

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1
ON/OFF Key
Turn on/off the cooking zone (slave TC is
not available)
2
Level0 key
Cooking zone level 0 key
3
Level1 key
Cooking zone level 1 key
4
Level2 key
Cooking zone level 2 key
5
Level3 key
Cooking zone level 3 key
6
Level4 key
Cooking zone level 4 key
7
Level5 key
Cooking zone level 5 key
8
Level6 key
Cooking zone level 6 key
9
Level7 key
Cooking zone level 7 key
10
Level8 key
Cooking zone level 8 key
11
Level9 key
Cooking zone level 9 key
12
Multi – circuit / cooking level
maximum right / booster.
Set the right cooking level to maximum/
booster, dual – circuit, triple – circuit.
13
Timer
Timer
14
Timer minus (-)
Counts minutes down to 0.00
15
Timer plus (+)
Counts minutes up to 9.59
16
Key lock key
Key lock (slave TC is not available)
17
Cooking level LED
Display the cooking level
18
Triple – circuit LED (for RHE)
19
Cooking zone timer indication
LED
20
Cooking zone timer value
indication
21
Key lock LED
(slave TC is not available)
22
ON/OFF status LED
(slave TC is not available)
23
Booster LED (for IHE) /
Double – circuit LED (for RHE)

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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 each lamp of the bar graph displays (17) is lighted for 0,2 sec from left
to right in sequential order. After 2 sec the display is turn off. After that, the control unit
remains in OFF mode.
Error or heat signals are indicated by the Timer Display (20), if necessary.
6. 2 Automatic switch Off
The TC switches from Power ON to OFF after 10 sec. in case no cooking zone is
activated or a select key is pressed during that time.
In case of a selected cooking zone (with cooking stage is “0“), this Auto Power off
time is composed of a 10 sec deselection time and 10 sec Power off time.
6.3 ON/OFF switching of Hob
By pressing the ON/OFF key for 1 sec (key no. 1) the Touch Control changes from
OFF mode into standby mode emitting a short buzzing signal. Then the On/Off
status LED (LED22) is statically on.
If no cooking level related key is touched within the 10 sec after activating the
standby mode, the Touch Control unit changes back into OFF mode.
When the hob is in activated or in standby mode, the hob can be switched into
OFF mode at any time by simply touching the ON/OFF key.
The Touch Control unit can still be switched off, even though the Key-Lock function
had been activated.
Fig. 2: Turn ON the Touch control by press on ON/OFF key

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6.3.1 ON switching
A cooking zone can be activated by touching the corresponding power level key
while in standby or active mode. The buzzer emits an audible signal.
6.3.2 OFF switching
The hob can be switched off by touching the ON/OFF key. And a single cooking zone can
be set to level 0 by touching Level 0 key.
Fig. 3: Switching OFF individual cooking zone by press 0 key.
Fig. 4: Switching off all cooking zones by press on ON/OFF key
7. Selecting power level for a cooking zone
The cooking levels of the cooking zones are represented each by a corresponding
number of bars of the bar graph display.
There are 9 cooking levels. The cooking zone level can be set by the corresponding
cooking level key.
-After the cooking zone is active, by touching the slider keys the desired cooking
level can be set.
-Cooking zone can be directly set to Booster level by pressing Booster
level key.
-The pot-detection time limitation is 10 mins, after the time limitation the
cooking zone will be set to level 0.
-If within this 10 mins, no cooking area is selected. The hob will turn off.

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Power level
Cooking zone left
Booster (W)
Cooking zone right
maximum (W)
+b (Booster)
3000w
2300w
9
2300
2300
8
2000
2000
7
1575
1575
6
1230
1230
5
908.5
908.5
4
632.5
632.5
3
379.5
379.5
2
218.5
218.5
1
90
90
0
0
0
Table 1: The power level cooking of hob EH-DIH386
Fig. 5: Select the power level8 by touching on slider area
Fig. 6: Select the power level8 by sliding on slider area

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8. Booster function ( Induction cooking)
After selection of a cooking zone, the boost function can be selected directly via the
boost function key.
Per Boost Function specified cooking zones are applicable to receive power 100%
(the number of “boost”-able cooking zones is depending on the maximum total power
available on a partial module).
In case of the selected cooking zone can receive this extra-power, the led 23 are
lighted.
Fig. 7: Select Booster function by press on “+b” key.
The “boosting time” is limited to 8 min by the TC to protect cookware. After the
booster is switched off automatically the cooking zone continues operation with
nominal power. Booster functionality may be reactivated directly provided that the
temperature sensors in the electronics and in the coils have the capacity.
In case of the pan is removed from the cooking zone during booster operation, the
function remains active and boosting time continues.
In case of the temp. limit (electronics or coil) of a cooking zone in booster operation
is exceeded, the booster is cut off automatically. The cooking zone is reset to nominal
power.
As long as one of the two temp. limits remains exceeded, the booster may not be
activated. In this case the booster is indicated on the cooking zone display while the
booster key is pressed. After that automatic cooking stage reduction is displayed.
The residual heat indication is reported from the slave to the TC via LIN-BUS
(induction and mixed systems). Possible optic warnings for hot cooking zones [Hot] are
displayed without double check by Touch Control.

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9. Residual heat indication
For radiant heating elements, the determination of how long a cooking zone has
residual heat after operation and switch off - which may lead to burnings when
contacting - is calculated.
Status is calculated depending on:
-Selected power stage ("1" to "9")
-On/Off Time of the Relay
For induction heating element, 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.
The residual heat indication of each cooking zone remains activated until the
calculated temperature is lower than + 60 °C.
Heat signals of cooking zones are indicated as “Hot” on 3 7-segment (20) in
OFF mode (or when power level is 0).
Fig. 8: Residual heat warning after cooking
10. Key lock function
Display of a locked cooking zone
LED 21 serves as display of the key-lock status. ( Slave TC is not available )
Activating Key-Lock:
Locking and unlocking is carried out with the Key-Lock key.
Touching the Key-Lock key(Key16) in standby or active mode causes locking
of the Touch Control and the assigned Key-Lock LED shines statically.
If touched any ON/OFF key longer than 2sec, the control unit switches off
(But the key lock mode will not be cancelled). The related Key-Lock LED expires
when the control unit is switched off. The Key-Lock function incl. LED is reactivated
when switched on again (in standby mode 10 sec) until disabling by touching the Key-
Lock key again. Activating / disabling of the Key-Lock function is not possible while
in OFF mode.

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In Active mode or standby mode, if any key is pressed (expect ON/OFF key or
Key-Lock key), the touch control will not trigger its function. It means this key-pressing
is invalidation.
During OFF mode, if any key is pressed (expect ON/OFF key), LED21 will be ON
for 1s with double beep. It means this key-pressing is invalidation. If ON/OFF key is
pressed, LED21 will be ON for 10s with once beep. It means during this 10s,
pressing Key8 to release Key-Lock is validation.
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.
Fig. 9: Lock / Unclock the TC by press on Key-Lock key in 1 second.
Unlocking / Disabling Key-Lock
Touching the Key-Lock key again while in standby or active mode results in
unlocking the Touch Control and the relevant Key-Lock LED is switched off. All
sensor keys can now be operated regularly again.
Fig. 10: Lock / Unclock the TC by press on Key-Lock key in 1 second.
11. Automatic safety off ( induction cooking)
For each activated cooking zone a max. operating time is defined. 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.