Zanussi Cooktop ZKT 662 LN User Manual

GLASKERAMIKKOCHFELD  
GLASKERAMIKHÄLL  
GLASKERAMISK KOGESEKTION  
KERAAMINEN KEITTOTASO  
TABLE VITROCÉRAMIQUE  
KERAMISCH KOOKPLATEAU  
CERAMIC BUILT---IN HOB  
ZKT 662 LN  
GEBRAUCHSANWEISUNG  
BRUKSANVISNING  
BRUGSANVISNING  
KÄYTTÖ---JA ASENNUSOHJE  
NOTICE D’UTILISATION  
GEBRUISKSAANWIJZING  
OPERATING INSTRUCTIONS  
374 319 212  
02.02 dej--es  
 
Content  
Important Safety Information . . . . . . .  
80  
Cleaning and care . . . . . . . . . . . . . . . . .  
Cleaning after each use . . . . . . . . . . . . . .  
Stain removal . . . . . . . . . . . . . . . . . . . . . .  
Special problems . . . . . . . . . . . . . . . . . . .  
95  
95  
95  
95  
For the user  
What to do when . . . . . . . . . . . . . . . . . .  
96  
96  
The Built--in Ceramic Hob . . . . . . . . . .  
Description of the hob . . . . . . . . . . . . . . .  
Touch Controls . . . . . . . . . . . . . . . . . . . . .  
82  
82  
82  
First aid for faults . . . . . . . . . . . . . . . . . . .  
Before the first use . . . . . . . . . . . . . . . .  
Cleaning for the first time . . . . . . . . . . . .  
Heating up for the first time . . . . . . . . . . .  
83  
83  
83  
For the installer  
The Cooking Zone . . . . . . . . . . . . . . . . .  
Ceramic cooking surface . . . . . . . . . . . . .  
Touch Controls . . . . . . . . . . . . . . . . . . . . .  
Residual heat indicator . . . . . . . . . . . . . .  
83  
83  
83  
84  
Technical Data . . . . . . . . . . . . . . . . . . . .  
97  
98  
Unpacking and control . . . . . . . . . . . .  
Installation Instructions . . . . . . . . . . .  
Installing into a kitchen worksurface . . .  
Installation dimensions . . . . . . . . . . . . . . .  
Installation . . . . . . . . . . . . . . . . . . . . . . . . .  
Removing the glass--ceramic hob . . . . .  
Electrical connections . . . . . . . . . . . . . . .  
98  
98  
99  
99  
100  
100  
Operation . . . . . . . . . . . . . . . . . . . . . . . . .  
Switching the appliance on . . . . . . . . . . .  
Switching on the cooking zones . . . . . . .  
Selecting the power level . . . . . . . . . . . . .  
Switching off the cooking zones . . . . . . .  
Switching off the hob . . . . . . . . . . . . . . . .  
Over--cooking protection . . . . . . . . . . . . .  
Safety cut--out . . . . . . . . . . . . . . . . . . . . . .  
84  
84  
84  
85  
85  
86  
86  
86  
Dual--ring cooking zone . . . . . . . . . . .  
Selecting the dual--ring cooking zone . .  
Switching the dual--ring cooking zone off  
87  
87  
87  
Safety lock -- barring the appliance  
or the cooking zones . . . . . . . . . . . . . .  
88  
88  
Locking the appliance . . . . . . . . . . . . . . .  
Locking (barring) the individual  
cooking zones . . . . . . . . . . . . . . . . . . . . . .  
88  
Boost facility . . . . . . . . . . . . . . . . . . . . .  
Selecting the boost facility . . . . . . . . . . . .  
Indicating the selected power level . . . .  
89  
89  
90  
Changing the Power Level during  
the Boost facility . . . . . . . . . . . . . . . . . . . .  
90  
Take advantage of the residual heat  
by the Boost facility . . . . . . . . . . . . . . . . .  
90  
90  
Switching off the Boost facility . . . . . . . .  
The Timer Function . . . . . . . . . . . . . . .  
Switching the Timer function on . . . . . . .  
Changing the set cooking time . . . . . . . .  
Calling up the current cooking time . . . .  
Switching the Timer function off . . . . . . .  
91  
91  
91  
91  
92  
The Timer Function as an Egg--Timer  
Setting the egg timer . . . . . . . . . . . . . . . .  
Switching the egg timer off . . . . . . . . . . .  
93  
93  
93  
The right cooking utensils . . . . . . . . .  
Energy consumption . . . . . . . . . . . . . . . . .  
Saucepans and frying pans . . . . . . . . . . .  
94  
94  
94  
146  
 
Important Safety Information  
Read the operating instructions carefully before  
using the unit. Please pay particular attention to  
the safety information, which is designated with  
.
Exercise care when working with a hot hob, or hot pots  
or pans. There is always a danger of being burned  
The residual heat indicator integrated in the electro-  
nics tells you whether a cooking zone is still hot.  
This will avoid damage, both to persons and the unit.  
Keep the operating instructions in a safe place,  
and hand them to the next user if necessary.  
In case a pan/pot is left on the cooking zone the resi-  
dual heat indicator can switch off tough is the cooking  
zone still hot from the pan with hot contents.  
The unit must only be used in the household and for its  
intended purpose. It conforms with international safety  
regulations and quality standards. The safety features  
incorporated do not always cover all the possible risks  
of accident.  
In the event of a power failure, all settings and displays  
will be lost. Be careful, because hot cooking zones will  
no longer be indicated by the residual heat indicator.  
If you use a socket close to the hob, take care that the  
cable of the appliance does not touch the hot surface  
of the hob.  
Electrical safety  
This appliance must only be installed by a quali-  
fied electrician. For reasons of electrical safety,  
built--in appliances must only be installed into the  
standard, matching mounting cabinet or worktop.  
Do not store any temperature--sensitive or inflamma-  
ble materials (such as detergents, spray cans) in the  
drawers or the cupboards underneath the built--in hob.  
The cooking surface must not be used as a storage or  
working area.  
Attention! Never look directly into the light from the  
halogen cooking zone.  
Only use the hob when it has been fully installed. This  
will prevent you from coming into contact with current--  
carrying parts.  
Never leave the hob unattended when working with  
oils and fats, due to the danger of fire.  
Also follow the information given in the accompanying  
Instructions for Use and for Installation  
Never use plastic or aluminium foil dishes on the hob.  
They melt at high temperatures, and can damage the  
glass--ceramic plate.  
Damaged hobs with cracks or breakages in the glass  
ceramic surface must not be connected to the mains.  
Neither sugar (solid or liquid) nor plastic should be allo-  
wed to come into contact with the hot surface of the  
hob.  
When the plate cools down, cracks or breakages could  
occur in the glass--ceramic plate. If sugar or plastic  
should accidentally come into contact with the hot hob,  
the latter must not be switched off for any reason, but  
the sugar or plastic remnants must be removed with a  
scraper while still warm. Protect your hands from  
burns.  
For reasons of safety, repairs to the appliance, and in  
particular to the current--carrying components, must  
only be carried out by qualified electricians or trained  
Customer Service technicians. Otherwise, considera-  
ble danger could result for the user. In case of malfunc-  
tion, contact our Customer Service department di-  
rectly.  
If the glass--ceramic hob is to be used in the vicinity of  
a radio, TV or other transmitting device, it must first be  
clarified whether this could affect its operation.  
To avoid scratching the surface of the glass--ceramic  
hob, only use pots and pans with flat bases and without  
rough edges.  
The appliance is only disconnected from the mains  
when the fuse is turned off or the mains connection is  
interrupted.  
The ceramic hob surface is resistant to extreme tem-  
peratures. Neither cold nor heat can harm it. Avoid  
dropping anything on the hob. Point impacts, e.g. by  
dropping a salt shaker, can cause fissures and cracks.  
Use and Operation  
Prevent small children from touching the glass--cera-  
mic top when in use. As a rule, they should be kept  
away from both the hob and from pots and pans.  
Children can also burn themselves by pulling pans or  
pots off the hob.  
A defective hob surface could allow food which has  
boiled over to penetrate through the hob, and contact  
the electrical parts.  
If any cracks appear on the hob surface, the hob must  
be switched off immediately. Disconnect the appliance  
from the mains and inform the service department.  
The cooking zones heat up quickly when they are tur-  
ned on. Only turn them on if you have placed a sauce-  
pan on the cooking area.  
147  
 
Follow the Care and Cleaning instructions for the  
glass--ceramic surface. We will accept no liability for  
improper use.  
Disposal  
Please dispose of packing material and any  
After use, check that the appliance is switched off.  
old appliances according to the relevant re-  
gulations. Please observe national and re-  
gional regulations and the material designa-  
tion (material separation, waste collection,  
material disposal points).  
Cleaning  
No heating element should be switched on while clea-  
ning. Ensure that the cooking areas have cooled down  
sufficiently (wait until the residual heat lamp goes out)  
so that there is no danger of burning.  
Always keep the glass--ceramic surface clean.  
For reasons of electrical safety, steam and high--pres-  
sure cleaning devices must not be used for cleaning  
the hob.  
Stop!  
STOP  
This symbol indicates a warning about serious danger of injury. It must always be observed.  
Caution!  
This symbol indicates information which, if not observed, could lead to danger to persons and/or significant  
damage to material. This safety information must always be observed.  
Note  
This symbol indicates information with important details concerning use. Non--observance could lead to  
faults.  
148  
 
The Built-in Ceramic Hob  
Description of the hob  
Cooking zone Glass--ceramic plate Frame  
1
2
3
4
5
Rapid Cooking zone (double--ring)  
hilight 210/120 mm 2200/750 W  
Ø
Rapid Cooking zone  
hilight  
Ø
145 mm  
1200 W  
2
3
Rapid Cooking zone (double--ring)  
hilight 170x265 mm 1500/2400 W  
Ø
Rapid Cooking zone  
halolight  
Ø
145 mm  
1200 W  
4
1
Touch responsive controls  
5
Touch Controls  
1. Power--On--Taste (Steuerung AUS/EIN)  
2. Kochfeld--Taste (EIN/AUS)  
3. Anzeige Leistungsstufe bzw. Restwärme  
4. Minus--Taste  
8. Timeranzeige  
9. Verriegelungstaste  
10. Kontrollampe Zweikreis--Zuschaltung  
11. Kontrollampe Timerfunktion  
5. Plus--Taste  
12. Kontrollampe Verriegelung (Steuerung)  
6. Zweikreis--Taste (EIN/AUS)  
7. Timertaste  
13. Dezimalpunkt in der Leistungsstufenanzeige  
Leuchtet:  
Kochzone bedienbar  
Kochzone gesperrt  
Leuchtet nicht:  
149  
 
Before the first use  
Cleaning for the first  
time  
The cooking surface should be cleaned before use to  
remove any traces of the production process.  
Wash the glass--ceramic surface and frame with hot  
water and rinsing agent, and wipe dry.  
Heating up for the first  
time  
To check the cooking zones, briefly switch each one  
on.  
The Cooking Zone  
Ceramic cooking  
surface  
The cooking surface is made of ceramic glass. The  
surface is pore--free and also insensitive to rapid chan-  
ges in temperature. Pots can therefore be moved from  
a hot to a cold zone.  
When switching on the cooking zone there may be a  
brief humming sound from the heaters. This is normal  
and disappears when the cooking zone has warmed  
up.  
Keep all objects and materials which can melt  
away from the cooking surface, e.g. plastics,  
aluminium foil.  
Take care when preparing food or drinks containingsu-  
gar. If anything of this nature accidentally comes into  
contact with the ceramic surface, it must be scraped  
off immediately while still hot and wiped away  
cleanly to avoid damage to the surface.  
Touch Controls  
The hob is operated by the touch controls located at  
the front, each of which has its own display.  
150  
 
Residual heat indicator  
An “H” will light up in the power level indicator if the  
temperature of the corresponding cooking zone sur-  
face above 60°C. When the cooking zone has been  
switched off, the lamp remains on until temperature  
falls below 60°C.  
Pay attention when a pan/pot is left on the coo-  
king zone that the residual heat indicator can  
switch off though is the cooking zone still hot  
from the pan with hot contents.  
Operation  
The touch controls must be pressed for at least  
1 second to be activated, which will be indicated  
by an acoustic signal.  
3 13  
Switching the  
appliance on  
1
1. Press the hob ON/OFF control (1) for at least 1 se-  
cond.  
A horizontal line appears in each power level indicator  
(3), and the dot (13) flashes.  
The next input must take place within the  
next 10 seconds, otherwise the hob will  
switch off again.  
Switching on the  
cooking zones  
Having switched on the appliance with the hob ON/  
OFF control (1), you can now switch on the various  
cooking zones within the next 10 seconds.  
2
1. Press the cooking zone control (2) for the required  
cooking zone.  
«0» lights up on the corresponding power level in-  
dicator. At the same time, dot (13) lights up to indi-  
cate which cooking zone is active.  
2. Select a power level (1--9) using the decrease con-  
trols (5/4).  
If you selct the power level using the increase  
control, the boost facility will be activated (see  
pages 66).  
13  
5
4
The increase/decrease controls (5/4) are  
equipped with a repeat function. If one of the  
keys is continually pressed, thepower levelwill  
be increased.  
Only one cooking zone control (2) can be ac-  
tive at a time, that is, only one dot (13) can be  
lit up.  
151  
 
Selecting the power level  
Table  
The figures in the following table are intended as a  
guide only. The power level required for the cooking  
process depends on the quality of the pot and on the  
type and quantity of food being cooked.  
In order to avoid the fat or juices from meat burning a  
small amount of liquid may be added to frying pan/sau-  
cepan.  
During frying the food should be turned frequently.  
If large quantities of meat or fish are being cooked, e.g.  
1kg these should be cooked in the oven.  
Power level Cooking process  
Examples of use  
0
1
Off  
Keep warm  
Melting  
Keeping small quantities warm  
Chocolate, butter  
2
3--4  
4
Heating  
Pre--cooked food, sauces  
Gentle simmer  
Simmering  
Power Level  
Boiling  
Rice  
5--6  
Stocks, cooking of stewes  
Cooking Process  
6--7  
Potatoes, vegetables  
7
7--8  
8
Gentle frying  
Frying  
Saute vegetables, browning croutons, frying  
Eggs, chops, vegetables  
Frying  
Pancakes, fritters, tender cuts of meat  
Heating fat for deep fat frying, cooking chips, fish etc.  
Large quantities of liquids, soups etc.  
Deep fat frying  
Heating Up  
9
Switching off the  
cooking zones  
1. The desired cooking zone must be activated, i.e  
dot of the corresponding cooking zone must be lit.  
2. Using the decrease control (4), run the power level  
down to «0».  
The power level will be automatically switched off  
after a delay of 3 seconds.  
5
4
To switch off quickly:  
1. The desired cooking zone must be activated, i.e  
dot of the corresponding cooking zone must be lit.  
2. By pressing the increase and decrease controls  
(5/4) simultaneously, the cooking zone will be  
quickly switched off.  
152  
 
A horizontal line appears in the display when the resi-  
dual temperature does not exceed 60 °C.  
“H“ appears in the display if the residual temperature  
is above 60°C (see Residual Heat Indicator).  
Try to switch off the cooking zone early, in or-  
der to make use of the residual heat.  
or  
Switching off the hob  
The appliance can be switched off at any time using  
the hob ON/OFF control (1).  
1
Over-cooking protec-  
tion  
If one or more touch controls are activated for  
a period longer than 20 seconds (by a pan, cut-  
lery, overflowing food, etc.) the hob switches  
off completely.  
Safety cut-out  
If, one or more cooking zones are not switched off, the  
safety cut out will be automatically oparated after a set  
time (see table below).  
Heating time limitation  
Heating stage  
in hours  
1 / 2  
3--4  
5
6
5
4
6--8  
9
1.5  
1.5  
Once the safety cut out has been activated, a horizon-  
tal line appears in the display if the residual tempera-  
ture is below 60°C, or «H» is shown if the residual tem-  
perature is above 60°C (see Residual Heat Indicator).  
1
In order to unlock the safety cut out, switch off the ap-  
pliance with the hob ON/OFF control (1), and then  
switch on again.  
153  
 
Dual-ring cooking zone  
The front--left and rear--right cooking zones have the  
Fig.4  
possibility of cooking with only the inner ring (Fig. 4) or  
with the outer ring as well (Fig. 5), depending on the  
cooking utensil used.  
Fig.5  
Selecting the dual-ring  
cooking zone  
1. The desired dual--ring cooking zone (front--left or  
rear--right) must be activated.  
The dot of the corresponding cooking zone must  
be lit up.  
2. Selected the desired power level (1--9).  
3. Switch on the second heating ring using the dual--  
ring key (6).  
The control lamp (10) lights up, and the outer ring is  
switched on.  
10  
2
6
Switching the dual-ring  
cooking zone off  
1. The desired dual--ring cooking zone (front--left or  
rear--right) must be activated.  
The dot of the corresponding cooking zone must  
be lit up.  
2. Press the dual--ring key (6).  
The control lamp (10) goes out, and the outer ring is  
switched off.  
154  
 
Safety lock - barring the appliance or  
the cooking zones  
Locking the appliance  
9
With the locking control (9), you can completely bar the  
use of the hob This function can be used as a child  
safety lock.  
If you do not switch off the Safety lock before  
switching off the hob, the Safety lock will stillbe  
active when you switch on the hob again.  
No other control can be operated until you  
switch off the Safety lock.  
2
Locking (barring) the  
individual cooking zo-  
nes  
If you are working with one or more cooking zones, you  
can lock each individual cooking zone.  
The corresponding cooking zone must be active. The  
dot (13) is lit, and a power level is selected.  
-- By pressing the respective cooking zone control  
(2) again, the locking system is activated.  
The dot (13) in the power level indicator goes out.  
-- If the cooking zone control (2) is pressed again, the  
dot appears, and the cooking zone can again be  
used.  
3
The locking system protects the following keys of the  
locked cooking zone from unintentional operation:  
Keys 4, 5, 6, 7.  
13  
The timer key (7) can be operated, however,  
and can be set (see «The Timer Function as an  
Egg--timer» chapter), but has no influence on  
the barred cooking zone.  
155  
 
Boost facility  
This facility provides an initial heat boost to the cooking  
zone, before its resets to the lower power level selec-  
ted. The length of the heat boost is dependent on the  
power level selected as shown in the table below.  
Selecting the boost  
facility  
1. Press the cooking zone control (2) of the required  
cooking zone.  
2. Using the increase control (5), select a power le-  
vel between 1--8. You have 10 seconds in which  
to select the correct power level.  
After 5 seconds, «A» appears in the power level. The  
boost facility has been activated.  
2
The cooking zone will now heat up at power level 9,  
and, after the defined time (see Table 1), will switch  
down to the selected power level.  
Example: You select power level 6. After 5  
seconds, the boost function switches on.  
With this setting, the cooking zone will  
heat up for 2.5 minutes at power level 9,  
and will then switch down to power  
level 6.  
The automatic heat--up function will not be  
activated if you:  
=> select a power level using the Minus key (4)  
=> select power level 9  
Table 1  
Automatic Heat--up function  
Power level  
time in minutes  
1
2
3
4
5
6
7
8
9
1
3
4,8  
6,5  
8,5  
2,5  
3,5  
4,5  
------  
156  
 
Indicating the selected  
power level  
In order to have the current power level indicated in the  
Power Level indicator, briefly press (0.5 secs) the cor-  
responding Cooking zone control (2).  
Changing the Power Le-  
vel during the Boost fa-  
cility  
1. The cooking zone required must be activated.  
13  
The dot (13) must be lit in the respective cooking  
zone, display.  
2. Select another power level using the increase con-  
trol (5).  
If the power level is increased using the inrease control  
(5), the time that has already expired will be taken into  
consideration in the calculation of the new defined ti-  
me/power level.  
5
+
Example: You have selected power level 1  
(boost--1 minute), and wait 30 seconds.  
If you then switch to power level 4  
(boost--6.5 minutes), the heat--up time  
will continue for 6 minutes (6.50 minus  
0.50).  
Changing the power level with the decrease  
control (4) will switch off the automaticheat--up  
function.  
Take advantage of  
the residual heat by  
the Boost facility  
For saving energy make use of the residual heat by  
continuing cooking on a still hot cooking zone. This  
means the time for the boost facility will become shor-  
ter depending on the temperature of the still hot coo-  
king zone.  
Switching off the Boost  
facility  
13  
As soon as “A“ appears in the Power Level indicator:  
1. The cooking zone required must be activated.  
The dot (13) must be lit in the respective cooking  
zone.  
2. Press the decrease control (4).  
4
--  
157  
 
The Timer Function  
This function makes cooking easier for you. You don’t  
have to remain close to the cooking zone throughout  
the whole cooking process: the cooking zone will be  
automatically switched off at the selected time.  
When no cooking zone has been programmed, the ti-  
mer function can be used as an «egg--timer» (see  
«The Timer Function as an Egg--timer chapter»).  
Switching the Timer  
function on  
1. The desired cooking zone must be activated.  
The dot (13) must be lit in the respective cooking  
zone.  
2. Select a power level between 1--9.  
3. Press the Timer key (7).  
The timer display (8) now shows «00».  
4. Using the increase/decrease controls (5/4), enter  
the cooking time desired (01 to 99 minutes).  
5
4
The Timer function starts automatically after a few se-  
conds.  
8
The control lamp (11) lights up at each cooking zone  
that has been programmed with the timer.  
To enter the cooking time more quickly, hold  
down either the increase or decrease controls  
(5/4) respectively.  
11  
7
Changing the set coo-  
king time  
The cooking time can be subsequently changed where  
necessary:  
1. The desired cooking zone must be activated  
The dot (13) must be lit in the respective cooking  
zone.  
2. Press the Timer key (7).  
3. Using the increase/decrease controls (5/4), select  
13  
a new cooking time.  
To enter the cooking time more quickly, hold  
down either the increase/decrease controls  
(5/4) respectively.  
Calling up the current  
cooking time  
-- To call up the programmed cooking time remaining  
for the respective cooking zone, press the corres-  
ponding cooking zone key (2).  
158  
 
Switching the Timer  
function off  
When the programmed time  
expires . . .  
an acoustic signal sounds for 2 minutes, and, at the  
same time  
11  
the control lamp (11) of the timed--out cooking zone  
flashes (2 minutes).  
-- To switch off the acoustic signal before the 2 minu-  
tes has expired, press any key.  
The cooking zone is now switched off.  
7
. . . or if you want to switch  
the timer off early:  
1. The desired cooking zone must be activated.  
The dot (13) must be lit in the respective cooking  
zone.  
2. Press the Timer key (7).  
3. Using the decrease control (4), run the time down  
13  
to «00».  
The timer function is now switched off, although the  
cooking zone remains activated until you switch it off  
manually.  
To switch off quickly:  
1. The desired cooking zone must be activated.  
The dot (13) must be lit in the respective cooking  
zone.  
2. By simultaneously pressing the increase and de-  
crease controls (5/4), the cooking zone is switched  
off.  
The timer display remains, but is no longer activa-  
ted.  
159  
 
The Timer Function as an Egg-Timer  
The Timer function can be used as an «egg timer», as  
long as the timer is not already being used for a coo-  
king zone.  
Setting the egg timer  
If the appliance is switched  
off:  
1
1. Press the Power On key (1).  
2. Press the Timer key (7).  
3. Enter the desired time using the increase--de-  
crease controls (4/5).  
If one or more cooking zones  
are already in use:  
1. Lock all cooking zones (see the «Locking (barring)  
individual cooking zones» chapter).  
3
No decimal points (13) should be lit up in any of the  
power level indicators (3).  
2. Press the Timer key (7).  
13  
3. Enter the desired time using the increase--de-  
crease controls (4/5).  
Switching the egg ti-  
mer off  
If the time has already expi-  
red...  
«00» flashes for 10 seconds,  
an acoustic signal sounds for 2 minutes.  
-- To switch off the acoustic signal before the 2 minu-  
tes has expired, press any key.  
...or if you want to switch the  
timer off early:  
7
1. Press the Timer key (7).  
2. Using the decrease control (4), run the time down  
to «00».  
The timer function is now switched off.  
To switch off quickly:  
-- Simultaneously pressing the increase and de-  
crease controls (5/4), the egg timer is switched off.  
160  
 
The right cooking utensils  
Energy consumption  
To save energy, you should . . .  
-- use only cooking and frying utensils with smooth,  
flat bottoms.  
-- place pots and pans in position before switching on  
the cooking zone.  
-- Wherever possible, cover pots and pans with a lid.  
-- switch off the cooking zone a few minutes before  
the end of the cooking time, in order to make use  
of the residual heat.  
-- use the residual heat of the cooking zones for kee-  
ping food warm or for melting.  
-- Position pots and pans centrally on the cooking zo-  
nes.  
Saucepans and frying  
pans  
Saucepans and frying pans should not be smaller than  
the cooking zone, and preferably not more than  
10--15 mm larger than the diameter of the cooking  
zone.  
Always use cooking and frying utensils with smooth,  
flat bottoms.  
The bottoms should always be clean and dry. Cook  
with a lid in place.  
Check that the bottoms of utensils are smooth and un-  
damaged; bottoms with burrs and sharp edges will  
scratch the ceramic glass surface.  
Scratches can also be caused by grains of sand (e.g.  
originating from the previous washing of vegetables),  
drawn over the cooking surface with the pan, or by  
burrs and the rims of pan bottoms.  
To avoid scratching or damaging the ceramic cooking  
surface, pots and pans should be moved on the plate  
by lifting them, and not by sliding.  
Utensils with aluminium and copper bottoms can leave  
behind metallic discolorations which can only be remo-  
ved with difficulty or sometimes not at all.  
When cold, pan bases normally curve slightly inwards  
by approx. 0.1 -- 0.5 mm (are concave). In no case  
should they curve outwards (be convex).  
Follow any guidelines provided by the saucepan ma-  
nufacturer. Ensure they are recommended for use on  
ceramic hobs.  
Check that the appliance is switched off after  
use.  
161  
 
Cleaning and care  
Before cleaning, make sure the hob is cool and discon-  
nected from the power supply.  
Never use aggressive or abrasive agents,  
such as oven sprays, stain or rust removers,  
scouring powder, or sponges with an abrasive  
effect.  
Special cleaning agents such as Hob Brite and ce-  
ramic hob scrapers are available from department  
stores, electrical specialist shops, and in drug and  
grocery stores.  
Cleaning after each use  
Slight, non--burnt soiling can be wiped off with  
a damp cloth.  
Burnt soiling has to be removed with a scraper.  
Afterwards wipe off the ceramic hob with a damp  
cloth, and Hob Brite.  
Stain removal  
Light metallic stains (aluminium residues) can  
be removed from the cooking zone with a ceramic  
hob cleaning agent such as Hob Brite when cool.  
Sugar solutions, food stuffs with a high sugar  
content, plastics, or kitchen foil -- must be re-  
moved immediately with a scraper. If this type of  
soilage is not removed immediately it can cause ir-  
reparable damage to the ceramic surface. When  
the surface has cooled wipe over with a damp cloth  
and Hob Brite.  
Before using any detergent or cleaning agent on  
the ceramic top, ensure they are recommended by  
the manufacturer for use on ceramic hobs.  
Do not apply any cleaning agents to hot cooking  
zones. Ensure any residues are wiped off before  
the cooking zones are used again.  
Special problems  
Special problems  
.. if a chemical cleaner proves inadequate  
.. when darks stains occur  
Check whether the use of a scraper is more effective.  
If the use of a scraper and a stainless steel cleaning agent proves  
unsuccessful, your decor surface has most likely been abraded by using  
unsuitable cleaning agents, or by pan bottoms with a scouring effect.  
This will not impair the efficiency of your cooking surface.  
.. when metallic discolourations appear on  
the cooking zones  
Pots and pans with unsuitable bottoms, or unsuitable cleaning agents have  
been used. The discolourations can only be removed with considerable  
effort, using a ceramic glass or stainless steel cleaning agent.  
.. when the surface shows scratches or  
impressions  
These blemishes, caused by scraping or melted on objects, cannot be  
removed. This will not impair the efficiency of your cooking surface.  
We accept no liability for improper handling of the ceramic cooking surface!  
162  
 
What to do when . . .  
First aid for faults  
When a fault occurs, it is possible that this is the result of a small error, which you can remedy yourself using the  
following notes.  
Do not carry out any other work yourself, if the information below does not help your specific problem.  
Repairs to the appliance must only be carried out by specialists. Improper repair work can result in conside-  
rable danger for the user. If you need repair work carried out, contact your specialist dealer, or our Customer  
Service department.  
What do I do when . . .  
. . . a buzzing noise is heard when a zone is  
heating up?  
. . . the displays all go out except for the ”H” for resid-  
ual heat?  
-- This is not a fault.  
Check whether  
It will stop as the heat increases.  
-- the On/Off key has been accidentally operated,  
-- the touch switches are partly covered by a damp  
cloth, liquid or something similar.  
. . . discolorations appears in the cooking zone?  
-- This is not a result of changes in the material, but is  
burned--in remnants that have not been regularly re-  
moved. They will have no effect of the function or the  
durability of the ceramic hob.  
. . . the displays suddenly go out?  
Check whether  
. . . the cooking zones do not function?  
-- the electricity supply has been temporarily dis-  
connected, or has failed.  
Check whether  
-- the appliance is switched on,  
-- the control lamps are on in the operating field,  
-- the respective cooking zone is switched on,  
-- the cooking zone power level has been set to the  
desired cooking--on level,  
. . . after switching off, no «H» for residual heat is dis-  
played ?  
Check whether  
-- the fuses in the house installation (fusebox) have  
tripped.  
-- The cooking zone has only been in operation for  
a short time, and is therefore not hot enough.  
If the fuses repeatedly trip, call in an approved  
electrician.  
If the cooking zone is hot, please call in an approvedelec-  
trician, or call our Customer Service department.  
-- the safety cut--out of the cooking zones has been  
tripped.  
. . . one of the cooking zones cannot be switched off  
?
. . . the cooking zones cannot be switched on?  
Check whether  
Check whether  
-- the touch keys are partly covered by a dampcloth  
or a liquid.  
-- the corresponding cooking zone key (2) is active,  
-- the operating field is locked,  
-- a time period of more than 10 seconds has expi-  
red between the operation of the On/Off key and  
switching on the desired cooking zone,  
-- the touch surface is too large  
i.e., the decimal point (13) is lit up.  
(the finger should only be used lightly)  
-- the touch switch has been partly covered by a  
damp cloth or by a liquid.  
-- the operating field has been touched too early fol-  
lowing a mains failure (to clear the condition,  
switch the fuse out and then in again).  
If you call in Customer Service as a result of one of the  
items listed above, or as a result of incorrect operation,  
the visit of the Customer Service technician will not be  
free of charge, even during the guarantee period.  
163  
 
If when switched on the control system can no  
longer be operated for any reason or due to a  
defect, the local main switch must be opened  
or the relevant fuse unscrewed, and Customer  
Service informed.  
If any fissures or cracks appear on the hob’s  
surface, the hob must be switched off imme-  
diately. Disconnect the appliance from the  
mains and inform the service department.  
STOP  
Important!  
The following details are necessary for the service de-  
partment:  
Type .........................................................................  
Model ......................................................................  
Product--no. .............................................................  
You will find these details under «Technical data».  
Technical Data  
ZKT 662 LN  
Hob dimensions:  
length:  
depth:  
height:  
572 mm  
502 mm  
48 mm  
Modell  
Prod.Nr.  
ZKT 662 LN  
941 591 721  
Typ: 55GAD47AO  
Made in Germany  
230 V AC 50 Hz  
Ser.Nr.: . . . . . . . . . . . .  
7,0 kW  
Cut out dimensions: length:  
560 mm  
490 mm  
depth:  
Voltage:  
230 V ~ 50 Hz  
7.0 kW  
Total power:  
We reserve the right to make technical changes.  
164  
 
Unpacking and control  
Please examine the appliance for any damage sustai-  
ned during transportation!  
If the appliance is damaged contact your retailer be-  
fore the appliance is connected.  
Packing material should be disposed of properly.  
Please keep packaging away from children, and dis-  
pose of with due regard for the environment.  
Installation Instructions  
The appliance must only be installed by a qua-  
lified electrician.  
During installation, and when carrying out ser-  
vice work, the appliance must be separated  
from the electrical supply: Remove the fuse, or  
switch off circuit breaker.  
The general guidelines for the operation of  
electrical appliances, the regulations of the re-  
sponsible electricity--supply company, and the  
information in the installation instructions must  
be followed exactly.  
Damaged hobs with cracks or breakages in  
STOP  
the glass--ceramic surface must not be con-  
nected to the electrical supply.  
Installing into a kitchen  
worksurface  
The electrical safety of the appliance must be  
ensured by a correct installation.  
Protection against accidental contact with  
electrical elements, and the electrical safety  
according to the SEV/VDE regulations must  
be ensured by the correct installation of the ap-  
pliance in standardised, matching, mounting  
cabinet. This also applies to the metallic lower  
casing of the appliance. The latter must not be  
freely accessible, even for installations away  
from the wall.  
Installation cabinets must be installed and se-  
cured so that they cannot tip over.  
165  
 
Installation dimensions  
min. 50 mm  
min. 50 mm min. 50 mm  
20 mm  
The opening in the cabinet must correspond to the  
standard dimensions. The necessary information can  
be found in the dimensional sketch.  
20 mm  
The separation between the lower surface of the  
hob and the parts of the furniture below it must be  
at least 20 mm.  
The lateral separation between the sides of the  
hob and the cabinet must be at least 50 mm, and  
must be at least 50 mm from the rear panel.  
This appliance conforms to Type Y (IEC 335--2--6)  
with regard to fire protection. Only appliances of  
this type may be installed on one side of adjacent  
cabinets or walls.  
Fig.1  
Installation  
1. Cut out the worktop according to the prescribed di-  
mensions (Fig.1). (Saw exactly along the scribed  
line.)  
2. Fix according to Fig. 2  
R5  
Position A must be used for screwing--on the catch  
springs (Fig.1).  
Important: The screw must be driven into the worktop  
as illustrated.  
Avoid overtightening. Do not use electric or pneumatic  
screwdrivers unless they have, adjustable slipping  
clutches (set to 1--1.1 Nm).  
3. Check the sealing for proper fit and full contact.  
4. Place the ceramic hob in the cut--out.  
Fig.2  
Removing the glass-  
ceramic hob  
1. Disconnect the appliance from the electrical sup-  
ply.  
2. Push the hob upwands from underreath.  
1 Catch spring  
2 Screws  
3 Worktop  
4 Frame  
5 Sealing tape  
6 Glass ceramic plate  
166  
 
Contrary to the Regulations for House Installations of  
the SEV, par. 47330.1, the built--in appliance may be  
installed in flammable material. Parts, side panels,  
reinforcement rails etc., which protrude into the space  
below the cooking zones must bemade of inflammable  
materials.  
Limitation of this space: width 550 mm, height 20 mm  
from the underside of the hob, depth 60 mm from be-  
hind for a worktop depth of 600 mm. Inflammable walls  
and ceilings must be fitted with fire--resistant coatings  
above the cooking surface, in accordance with the fire  
brigade regulations for the respective area.  
Electrical connections  
Before connecting the appliance, check that the vol-  
tage quoted on the rating plate -- that is, the nominal  
voltage of the appliance -- corresponds to the available  
mains voltage. The rating plate can be found on the lo-  
wer housing of the glass--ceramic hob.  
Fig.3  
The mains connection of the ceramic hob must take  
place using the provided connection cable in accor-  
dance with the connection diagram (Fig. 3), and must  
be carried out so that it is possible to disconnect all po-  
les with a contact opening of at least 3 mm, e.g., using  
an LS circuit breaker, earth--leakage circuit breaker, or  
fuse.  
Elektrischer Anschluss  
conexión elèctrica  
Elektrischer Anschluss  
conexión elèctrica  
Anschlussleitung Mulde  
conexiòn artesa  
Anschlussleitung Mulde  
conexiòn artesa  
connexion électrique  
connexion électrique  
câble de raccordement  
câble de raccordement  
schwarz / negro / noir  
schwarz / negro / noir  
braun / marrón / brun  
ƒ
ƒ
L1  
L2  
L1  
braun / marrón / brun  
~
~
230V  
N
230V  
N
blau / azul / bleu  
blau / azul / bleu  
If the mains connection cable has to be replaced,  
a cable with Spare Parts No. 374 3700 00/1 must be  
used.  
grün-gelb / verde-amarillo  
vert-jaune  
grün-gelb / verde-amarillo  
vert-jaune  
PE  
PE  
Remove any protective films from the cooking surface.  
After connecting the electrical supply, all coo-  
king zones should be briefly switched on one  
after the other at their maximum power, in or-  
der to test whether they are operational.  
braun  
schwarz  
blau  
=
=
=
=
brown  
black  
blue  
green/yellow  
grün/gelb  
brun  
noir  
bleu  
vert/jaune  
=
=
=
=
brown  
black  
blue  
green/yellow  
marón  
negro  
azul  
=
=
=
brown  
black  
blue  
green/yellow  
verde/amarillo =  
167  
 
 

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