SERVICE MANUAL
COOKERS
HIC
© Electrolux Service
Muggenhofer Straße 135
D-90429 Nürnberg
Germany
Fax +49 (0)911 323 1420
DGS-TDS-N
Edition:
11.03
Publ.-Nr.:
599 516 232
685
EN
Index
Safety-relevant instructions ............................................................................................... 3
1.
1.1.
Description of the product ..................................................................................... 4
Centronica ............................................................................................................. 4
2.
2.1.
2.1.1.
2.1.2
2.1.3
2.1.4
2.1.5
2.1.6
Mechanical Concept And Layouts ......................................................................... 4
Variants ................................................................................................................. 4
Dimensions ........................................................................................................... 4
Variant 1 - compact horizontal .............................................................................. 4
Variant 2 - split vertical .......................................................................................... 6
Variant 3 - compact vertical ................................................................................... 8
HIC Induction ......................................................................................................... 9
Centronica ............................................................................................................. 9
3.
Power board HOC2000 ......................................................................................... 11
4.
4.1
4.2
4.3
4.4
4.5
4.5.1
4.5.2
4.6
4.7
4.7.1
4.7.2
4.8
4.9
4.10
4.11
4.12
4.13
4.14
Functionality .......................................................................................................... 12
Cooking levels ....................................................................................................... 12
Increasing cooking levels ...................................................................................... 13
Decreasing cooking levels .................................................................................... 13
Switching off a cooking zone ................................................................................. 13
Boost functionality (Automatic heating up / Ankochstoss) ..................................... 13
Automatic boost .................................................................................................... 13
Manual boost ......................................................................................................... 14
Key Lock / Stop&Go button ................................................................................... 14
Timer ..................................................................................................................... 15
Three key timer ..................................................................................................... 15
One key timer ........................................................................................................ 16
Pot Detection / Empty pot ..................................................................................... 16
Power Management .............................................................................................. 17
Child lock mode..................................................................................................... 18
Alarm messages ................................................................................................... 20
Demo mode / Self test (Service mode) / Alarm Menu ........................................... 21
Security functions .................................................................................................. 22
Summary of used Symbols in 7 Segment Displays .............................................. 23
5.
5.1
5.2
Technology/ Wiring diagrams ............................................................................... 24
Interface view of input part/ power board ............................................................... 24
Block wiring diagram power board-HOC 2000 ...................................................... 25
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Safety-relevant instructions
The specific national safety instructions of the different distribution countries must be observed and
followed.
For Germany the safety instructions according to DIN/VDE 0701 (relating to repairs) resp. VDE 0700/ICE
65 (relating to appliance) are valid in case of repairs with the appliance.
Components according to IEC resp. VDE guidelines: In case of replacement use only parts with the
same specification.
With controls which are provided with MOS components use only parts with the same specification.
In dealing with MOS components observe MOS instructions!
Mechanical repairs resp. controls of mechanical components are only allowed to be executed in no-volt
condition
Use safety gloves when working at or with sharp-edged sheet metal parts.
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1.
Description of the product
This service manual describes a family of hob independent controls named HIC. The control is
equipped with 7 Segment displays, LEDs and infrared key sensors for up to 5 cooking zones and
mounted in a hob under the glass ceramic or separate in a housing (Centronica). The Power board
could be HOC2000 or Induction G4. The communication is to the power board via Macs Bus Light
bus (serial communication).
The electronic is supplied by 5V±5%/150mA regulated DC via MACS Bus.
peak power:
mean power:
Pmax = 1.25 W
Pmean = 750 mW
ripple voltage:
mean current:
maximum input current:
Ur = ±100mV
Imean = 150mA
Imax = 280mA
The stand by consumption must be less than 0.1W
1.1. Centronica
-
-
2.
User Interface with touch inputs and displays / indications on version-specific glass panel,
remote-mounted (outside the hob) in a separate housing or built-in in built-under oven control
panels.
Radiant Power Board, mounted inside or outside the hob (HOC2000)
Cable Link 3-pole connects the User Interface and the Power Board together (MACS Light
Communication) Power supply is from Power Board.
Cooking power regulation with 12 (13 with power) steps.
Residual heat indication in hobs, not calculated
(not in CENTRONICA-UI displayed)
Priority code (“Prio-code”): individual user-pre-programming of each multiple cooking zone
Mechanical Concept And Layouts
2.1. Variants
The following drawings describe the maximum configurations.
Variants with less keys or LEDs are possible.
2.1.1. Dimensions
Compact (horizontal, vertical, large hobs):
Split:
Centronica:
270 x 36 x 5.4
135 x 36 x 5.4
230 x 45 x 5.4
(l x w x d)
2.1.2 Variant 1 - compact horizontal
17
18
6
Size:
Sensors
round LEDs
7-segment displays
270mm x 36mm²
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With this variant the input part (interface) and the power board are mounted in a common box
(casing), at the front, horizontally.
worktop
cooktop frame
cooktop glass
Interface
P ro te ction B o x
built-in closet
power board
electronic casing
wiring and mains cable
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2.1.3 Variant 2 - split vertical
17
18
6
size:
Sensors
round or rectangular LEDs
7-segment displays
135mm x 36mm²
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This variant includes two input parts (interfaces). On the one hand, at the right in front, for the two
right cooking zones; and on the other hand, at the left in front, for the two left cooking zones.
The power board is also positioned on the left side, however in an extra casing at the rear left.
worktop
cooktop glass
design element
worktop
design element
built-in closet
built-in closet
left interface
right interface
power board
wiring and mains cable
Heaters
Heaters
Heaters
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Heaters
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2.1.4 Variant 3 - compact vertical
17 Sensors
18 round LEDs
7-segment display
Size: 270mm x 36mm²
The name of the variant “Compact vertical” expresses that the input part (interface) and the power
board are two separate units. The positions are as follows.
The interface is vertically at the front right and the power board is vertically at the rear left.
worktop
cooktop glass
design element
worktop
design element
built-in closet
power board
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built-in closet
wiring and mains cable
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Interface
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2.1.5 HIC Induction
This is only a assembly variant of HIC compact horiziontal
17
18
7
Sensors
round LEDs
7-segment displays
Size: 270mm x 36mm ²
2.1.6 Centronica
14
9
7
Sensors
round LEDs
7-segment displays
Size: 229mm x 47mm²
Centronice user interface
Glass touch panel
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Control of Induction cooking hob (230 VAC)
Glass ceramics 2 part
Variants
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3.
Power board HOC2000
This board consists of a number of relays, a transformer and other components which are
necessary for the power supply of relays and input boards.
It receives the electrical control signals transmitted by the input boards and supplies the relevant
heating element (cooking zones) with power depending on the impulse/s.
The control relays select the various cooking zones, its number may change according to the type
of appliance.
Voltage:
Frequency:
Max. working temperature:
Information A:
230V
50Hz/60Hz
85° C
The power board is marked with
the variant number
the production date (week/year)
-
The various plug tags (BRxx) and relays (Rxx) are specified on the board. These specifications can
also be found on the wiring diagram.
Also on the power board there is a safety temperature limiter which stops the power supply and
switches off the appliance when exceeding a board temperature of 130°C. After a successful
cooling down it switches back again and the built-in cooktop can be put into operation.
Between contact BR19 (neutral) and BR22 (phase) it is possible to measure the mains voltage.
Information A
BR
13 12 11 16 10 9
13
8
7 6
5
4
3 2 1
19 neutral
22 phase
14
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4.
Functionality
Typical display of User interface status:
Press both buttons to switch
off the zone rear right!
Zone is hot:
Boost is not possible!
H
3
A
0
-button for decreasing
cooking level of zone
front left!
4.1
+button for increasing
cooking level of zone
front leftt!
Boost function is on!
Cooking levels
The Type of cooking levels is configured in the EEPROM of the power board and transmitted to the
user interface with the HOB UI Configuration message.
Power Levels
Display
European
0
u
Swiss variant
(Centronica)
0
1
2
2.
3
3.
4
4.
5
5.
6
6.
7
8
9
P
1
2
3
4
5
6
7
8
9
H
P
There are versions with/without the intermediate steps and also with/without the keep warm level
“u” for the European version. For “P” see chapter Boost functionality (Automatic heating up /
Ankochstoss)
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4.2
Increasing cooking levels
-
4.3
Decreasing cooking levels
-
4.4
With the zone ‘+’buttons the cooking levels can be stepped through from level 0 to the
maximum cooking level.
The power for the zone has to be switched on at the start of increasing the level.
With the zone ‘-‘ buttons the cooking levels can be stepped through in the following way:
e.g.: 0 – 9 – 8 – 7 – 6 – 5 – 4 – 3 – 2 – 1 – 0
The power for the zone has to be switched off at the start of decreasing the level.
Switching off a cooking zone
A cooking zone can be switched off by
Decreasing the cooking levels down to zero.
Pressing the ‘+’ button and the ‘–‘ button of one zone together.
Pressing the “OFF” button of the hob, then the whole hob is switched off.
4.5
Boost functionality (Automatic heating up / Ankochstoss)
To reach the temperature for a cooking zone as fast as possible the hob has a boost function. In
boost mode (“A”) the hob is working with cooking level “9”.
If the boost function is active, the letter „A“ (german: Ankochstoß) is displayed in the 7-Segment
display of the zone.
Setting of boost function is only possible, if cooking zone is in state cold, which means there is no
„H“ in the zone display.
If the boost mode is activated the displays changes after approx. 3 sec from the cooking level to
“A”.
If the zone is in boost mode and the ‘+’button is pressed, the actual cooking level has to be shown
in the display again.
If the zone is in boost mode and the ‘–‘ button is pressed, the actual cooking level has to be shown
in the display again.
The boost function must be switched off by the following events:
Boost time has elapsed. This information comes from the power board with a „hob control
status message“.
Cooking level has been decreased.
Cooking level has been set >“9” or “P”).
Keep warm function has been activated.
Power function, “normal setting” has priority, see chapter Power Management
4.5.1 Automatic boost
Setting of cooking level with boost function
Starting from “0” by increasing the cooking level with the ‘+’ button the boost function will be
activated automatically.
Setting of cooking level without boost function:
This can be done by pressing the “–“-button of a cooking zone. In this case you step in the opposite
way through the cooking levels, e.g.
0–9–8–7–6–5–4–3–2–1–u–0
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4.5.2 Manual boost
The boost is activated like on a rotary interface.
4.6
Set the cooking level to “9”
Release the ‘+’ key and press it again
-- “A” is displayed
Decrease with ‘-‘ key to the desired cooking level (the cooking level is displayed)
After approx. 3 sec. the “A” is shown
Key Lock / Stop&Go button
For HIC compact horizontal, vertical, split the button beneath ON/OFF can be configured with different functions:
1)
Key lock function (function lock):
To activate or deactivate key lock function keep warm button must be pressed for one second.
The status is shown with an LED. If in looked mode wants to press s.o. another key an “L” is
shown for a few sec..
If key lock is active all buttons cannot be pressed except main button, Key Lock.
2)
Stop&Go (Keep warm) function:
Each activated cooking zone is set to minimal power level “u”. The status is also shown with
an LED (if equipped).
If Stop&Go is active all buttons cannot be pressed except main button, Stop&Go.
3)
For HIC comp. horizontal this key is layouted parallel to the double/triple zone key of the left
rear zone.
For the configuration of the 1 key timer it is necessary to set the HobUI Configuration with this
double / triple zone functionality.
An exception for keys locked in the Stop&Go and Key Lock mode is the end of a timer. In that case
the timer alarm can be quitted directly.
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4.7
Timer
The hob has a timer for setting the cooking time of each zone. Further the timer can be used as a
usual clock (egg timer). The timer display has two digits. Therefore a time up to 99 minutes can be
set.
The graphics below show the 3 key timer.
Timer display
0
00
0
0
5
Timer +button
Timer -button
Timer selection button
LED for zone rioght rear
LED for zone left rear
3
0
2
LED for zone left front must blink
3
0
LED for zone right rear is off
It is possible to select a timer with power level “0”. There is no separate egg timer. Even when e.g.
2 cooking zones are running, you can call the clock function on the 3rd or 4th cooking zone. Over
and above that, the user can also set the time first and the cooking zone afterwards.
4.7.1 Three key timer
The times can be set by the timer ‘+’ and ‘–‘ buttons.
Enabling time setting:
To enable timer setting timer selection button must be pressed.
If no timer +button or –button has been pressed for 3 seconds timer setting must be disabled.
By pressing the timer selection key again you toggle through the timers of the different zones.
Time setting:
If time setting is enabled the timer display shows the according time.
Times can be set with timer +button and –button from 0 to 99 minutes.
By pressing the timer +/-buttons together the time is set to zero.
By starting to change the times a beep must sound.
If a timer + or –button has been pressed for a few second the timer shall step faster through
it’s range.
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Cooking timer LEDs:
Each zone has a LED, which is signalising if a cooking time is set.
This LED blinks if the setting of the cooking time for this zone is enabled (time selection
enabled).
This LED is continuously ON if a cooking time is set.
If timer selection is deactivated the LED for the zone with the lowest cooking time must blink
with a slower frequency.
Timer display:
If timer setting is enabled the timer display shows the according time which can be changed.
If timer setting is disabled the timer display shows nothing if no time is set.
If timer setting is disabled the timer display shows the lowest cooking time if set.
Timer end:
The buzzer rings in a pleasant sound and the LED is blinking for max. two minutes.
If a cooking time has elapsed the according zone must be switched off.
The signalisation of a timer end can be stopped by pressing one of the timer buttons.
The cooking end procedure starts again with each new ending of a cooking timer.
4.7.2 One key timer
The „+“ and „-“ keys of a zone are used for the time setting if the timer is activated with the timer
select key. So only 1 timer key (timer select key) is used, in some documentation this was also
called “Centronica” timer. This kind of timer is used for large hobs, Centronica and induction hobs.
The „+“ key of the timer is used as Key Lock. The „-“ key of the timer is optional used as Stop&Go
(only HIC horizontal for induction).
Details of Timer function:
With the timer select key the timer is activated. Like in standard 3 key timer the first active
zone (order: front left – back left, back right, front right) is selected if no timer is activated. After selection of one zone for the timer (toggle to the zone with timer select key) you set with
the + / - keys of the activated zone the time.
4.8
Pot Detection / Empty pot
-
If no pot is detected and the power level is set to a level > „0“, a „F“ is blinking.
The induction power board switches the zone off after 10 min. if no pot is detected.
Over temperature of pot or dry boiling pot (coil temperature sensor).
If the power has to be switched off, the power board sends a Hob Power management- actual
status message (FBh). In the display a „-“ is shown. The user has to switch off the zone,
before a new value can be set.
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4.9
Power Management
-
Power management – actual status
This is due to the limited power on 1 phase (3,7kW for induction). The last selected cooking
zone has priority and gets the power. The user interface sends a HobUserSelection message
with the required power level. If the power board is unable to do this, the other zone is set to a
lower level by the power board this is broadcast to the user interface with Hob Power Management – actual status message.
-
The user interface displays blinking the set value and the actual value. If the power is not set
to the full set value during 1 Min. the user interface changes the set value to the lower actual
value (HobUserSelection Message).
-
PowerManagement with Stop & Go: If the Stop & Go functionality is used in the 1st minute
of the PowerManagement, the managed cookinglevels were selected after relesing the Stop&
Gop functionality.
6/9
9
9
-
P
P
6
After
After
1 Min
P
Remark: the power function is switched off automatically after 10 Min. from the induction
power board and the power level is set to „9“. In this case there is no switch between actual
and set value, the actual value is displayed. A power reduction is also possible due to a too
low cooling performance of the induction module. This case is handled in the same way.
Same procedure if there is a reduction due to too high temperature at the coil sensor.
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4.10 Child lock mode
In child lock mode no cooking function can be selected.
Activation of child lock:
To enter the child lock mode the following sequence of buttons must be pressed:
1.
Press main switch button for one second to switch on the UI.
2.
Press the keep warm button for 3 seconds. A beep will confirm this action.
3.
Press one of the „+“-buttons for power level setting. Then child lock mode is activated. The
hob must switch off itself. An „L“ must appear for a few seconds in the zone displays to show
that child lock has been activated.
Press one of these zone
+buttons!
L
L
L
L
„L“ appears in displays
after activation!
Deactivation of child lock:
To deactivate the child lock mode the following sequence must be pressed:
1.
2.
3.
Press main switch button to switch on the UI. The power level displays are showing „L“ for
child lock.
Press the keep warm button for 3 seconds. A beep will confirm this action.
Press one of the „-“-buttons for power level setting. The child lock mode is deactivated. The
„L“ in the power level displays. The hob must switch off itself.
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Deactivation of child lock for a single cooking event (interrupt child lock):
It must be possible to deactivate the child lock mode for one cooking event. That means cooking is
possible until the next switch off of the hob. Then child lock is activated automatically again.
The deactivation of the child lock mode for a cooking event must be done by the following way:
1.
2.
Press main switch button to switch on the hob. The „L“ shows Child lock mode in the power
level displays.
Press „-“ and „+“ button of a zone together for one second. Then a beep must signalise child
lock is off and the „L“ disappears and a “0” is shown in the displays. Now cooking can be
done till the next switch off.
Press one of these +/- pairs
together for 1 second!
L
L
L
L
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4.11 Alarm messages
It is possible that an alarm message involves the whole hob or that only 1 zone is not functional.
This message includes the number and the zones for which the message is valid.
Procedure – Failure occurs during cooking
For 10 sec. Beep 1 Hz (like continuously pressed button) and display of the error number plus optional the number of the power board with failure.
Alarm number
E2
After 10 sec or after a press on one button (all buttons) the user interface toggles to the next status,
there the zones without alarm can be used normal. On the zones with alarm an „E“ is shown.
0
E
E
0
If the hob is switched on with the main switch and an alarm is still active the alarm is shown for 10
sec. as above (incl. Beep and press main button again). The UI stores the alarm of each module
and shows the alarms in succession if several alarms are active. The hob is in “normal” standby
modus and the cooking levels and timers are set to 0.
The following error codes are shown:
Error-Code
Display
Name
Comments
E-0
Config_Data_ALM_HC
Wrong Configuration on HC /
EEPROM checksum failure
E-1
E-2
E-3
TEMP_CoolBlock_ALM_L
TEMP_CoolBlock_ALM_R
Phase1missing_L
E-4
E-5
Phase2missing_R
CommErrorPowerBoard_L
E-6
E-7
CommErrorPowerBoard_R
Temperature probe coil
E-8
Communication error to power
board
Config_Data_ALM_HUI
HUI received invalid configuration
E-9
(E-3)
Phase not detected on powerboard
induction Left
Internal Ind.Bus error/ missing
connection / 12VDC or 5VDC missing
Error of min. 1 cooking zone
(see alarm codes message def.)
For the induction (HC2) means this that besides the error code 7 for the temperature sensor all
zones connected to this module are blocked / switched OFF.
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4.12 Demo mode / Self test (Service mode) / Alarm Menu
To enter the self-test/Demo mode, the following sequence of buttons must be pressed:
1.
2.
3.
Hob is off. Press main switch continuously until display is going off (without beep).
Press the “+” and “ -” buttons of the front zones together (->short beep) for about 3 seconds
(-> again short beep)
Press the timer selection key
Step 1
Step 3
d.
Step 2
4.
5.
The display shows a „d“ for demo mode.
If you press the timer select key again you switch to “S” for Service mode,
another press gets you to “E” the alarm menu. (Test all LEDs / Displays for 10 sec.)
By pressing the button “+” of a cooking zone you activate the menu. For example, status like
above shown in the graphic – hob is in demo mode, press ‘+’ key of zone to deactivate the
demo mode.
Demo Mode:
If demo mode is activated the display with the „d“ shows additionally a dot.
After selecting the demo mode, the electronic goes to off. Now it can be used like usual but only
without heater activation. The deactivation of the demo mode is done in the same procedure as
activating. After deactivating the demo mode the electronic must go off. Now the hob can be used in
normal mode.
Alarm Mode “E”
The last 5 stored alarm codes are displayed like an actual alarm, each for 5 sec., starting with the
oldest to the newest . The alarms are checked for all hob controllers. They are displayed like normal occurred alarm.
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4.13 Security functions
Zone switch off security
The hob must switch off a zone automatically which has been activated for an unnecessary long
time. If this time has elapsed the power board the hob must switch off this zone. The information of
elapsing time comes from the power board by a „hob control status message“.
Wrong activations of buttons
In practice it is possible that the keys could be covered e.g. by a pot. This can cause e.g. wrong
zone activation. Therefore if any key has been pressed longer than 10 seconds the hob must be
switched off. This event must be signalised to the user by a special buzzer signal.
Hot zone signalisation (Residual heat indication)
The hob must show the user if a zone is still hot after being switched off. This information comes
from the power board by a „hob control status message“. If the zone is off and hot this must be
shown by an „H“ in the zone level display.
Hob switch off security
The hob must switch itself after 10 seconds if no cooking level or clock has been set during this
time.
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4.14 Summary of used Symbols in 7 Segment Displays
Symbol
0
9
.
-
A
E
F
H
L
P

∪
d
s
c
o
Comment
Cooking levels / time [min] / alarm numbers
Intermediate cooking levels ( 4. )
Activation of the cooking zone is not possible (due to active timer),
Induction zone switched off because of over temperature at the coil sensor
(empty pot)
Fast heating up function ( Ankochstoss )
Alarm display
Pot detection no pot detected
Residual heat indication
or CENTRONICA power level 9
Lock Function or key lock
or CENTRONICA power level 1
Power (booster) function for induction
CENTRONICA power level u
Keeping warm
Demo mode activation
Service mode activation
CENTRONICA Priority code selection double/triple zones
CENTRONICA Residual heat indicationNot used on HIC interfaces, only on sep. 7-Segment Display in the hob!
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5.1
Interface view of input part/ power board
N etz
k
Technology/ Wiring diagrams
N eu tra l
5.
S tiftw a nn e
R a st 2 ,5
M A CS B U S
BR5
BR6
BR7
BR8
BR9
BR1 0
BR1 1
BR1 2
BR1 4
V erb rau c h erv ers o rg u n g
Po w e r B oa rd (Fla tpa k)
BR4
N etz an s ch lu k l em m e L 1
V erb rau c h erv ers o rg u n g
BR3
N etz an s ch lu k l em m e L 2
V erb rau c h erv ers o rg u n g
N etz an s ch lu
k le m m e N
BR2
U se r I n te r fa ce L e f t
BR1
U s er In terfa ce
+ 5V
U se r I n te r fa ce R i g h t
M as se
BR1 3
V erb rau c h er
User Interface Right
User Interface Left
User Inferface
Masse
Netzanschlußklemme
Neutral
Phase
=
=
=
=
=
=
=
user interface Right
user interface Left
user interface
earth
mains connecting terminal
neutral
phase
DGN-TDS-N 11.03 U. H. / A. B. © Electrolux
Stiftwanne
Verbraucherversorgung
Netzanschlußklemme L1
Power Board (Flatpak)
Netzanschlußklemme L2
Netzanschlußklemme „N“
Verbraucher
- 24 -
= pin tray
= consumer supply
= mains connecting terminal L1
= power board (Flatpak)
= mains connecting terminal L2
= mains connecting terminal “N”
= consumer
599 512 232
EN
5.2
Block wiring diagram power board-HOC 2000
Heater
Power board
=
=
heating element
power board
DGN-TDS-N 11.03 U. H. / A. B. © Electrolux
- 25 -
599 512 232
EN