Zanussi ZO 25 N Specifications

„Gas Touch“
Built-in Gas Hobs with Electronic
Control and Touch User Interface
ESSE-N / A.S.
February 2005
General Features
ƒ
built-in „gas-on-glass“ hob, 73 x 51 cm
ƒ
tempered glass surface (8 mm thickness)
ƒ
standard Electrolux components:
ƒ 4 gas burners: 1 rapid / 2 semirapid / 1 auxiliary
ƒ ignition unit (spark generator)
ƒ spark plugs
ƒ flame detector thermocouples
2
General Features
ƒ
Electronic control system (supplier: SIT)
ƒ
Power board
ƒ
Touch-control user interface
ƒ L.H. user interface controlling 2 L.H. burners
ƒ R.H. user interface consisting of:
user interface controlling 2 R.H. burners
main ON/OFF and timer board
ƒ
Main shut-off valve
ƒ
Modulation valves for each burner
3
Safety Features
ƒ
Child lock
ƒ
Automatic shut-off :
ƒ time-controlled
ƒ temperature-controlled
4
Battery Kit
ƒ
ƒ
A kit with a rechargeable battery will be available as a
service part, to be fitted in areas with power supply
problems
The battery offers a backup power supply to bridge a
short mains power failure
5
Brands / Models / Countries
ƒ
EHS 740 K
pnc 949 750 638
ES
cat. II2H3+
ƒ
EHS 742 K
pnc 949 750 637
GB, IE
cat. II2H3+
ƒ
EHS 746 K
pnc 949 750 639
HU
cat. II2HS3B/P
ƒ
EHS 746 K
pnc 949 750 640
CZ, HR, cat. II2H3+
SI, SK
ƒ
EHS 74 K
pnc 949 750 641
SE, TR
cat. II2H3B/P
6
Brands / Models / Countries
ƒ
79900 G-m
pnc 949 750 626
IT, PT
cat. II2H3+
ƒ
79901 G-m
pnc 949 750 628
FR
cat. II2E+3+
ƒ
79902 G-m
pnc 949 750 629
BE
cat. II2E+3+
ƒ
79903 G-m
pnc 949 750 627
GB, IE
cat. II2H3+
ƒ
79904 G-m
pnc 949 750 631
NL
cat. II2L3B/P
ƒ
79905 G-m
pnc 949 750 630
DK, NO cat. II2H3B/P
7
Brands / Models / Countries
ƒ
ZGG 742 EX pnc 949 750 636
GB, IE
cat. II2H3+
ƒ
ZGG 743 EX pnc 949 750 647
BE
cat. II2E+3+
8
Brands / Models / Countries
ƒ
TGE 7096 N pnc 949 750 634
FR
cat. II2E+3+
9
Brands / Models / Countries
ƒ
PVN 74 XE
pnc 949 750 632
IT
cat. II2H3+
10
Aesthetics
AEG-Electrolux
11
Aesthetics : Electrolux,
Zanussi, Rex-Electrolux
12
Aesthetics :
Arthur Martin Electrolux
13
Countries / Gas Categories
II2H3+
Countries: CZ, ES, GB, HR, IE, IT, PT, SI, SK
ƒ
2H
Æ G20 at 20 mbar
ƒ
3+
Æ G30 at 28-30 mbar
or
G31 at 37 mbar
14
Countries / Gas Categories
II2E+3+
Countries: BE, FR
ƒ
2E+
Æ G20 at 20 mbar
or
G25 at 25 mbar
ƒ
3+
Æ G30 at 28-30 mbar
or
G31 at 37 mbar
15
Countries / Gas Categories
II2H3B/P
Countries: SE, NO, DK, TR
ƒ
2H
Æ G20 at 20 mbar
ƒ
3B/P Æ G30 or G31 at 30 mbar
16
Countries / Gas Categories
II2L3B/P
Countries: NL
ƒ
2L
Æ G25 at 25 mbar
ƒ
3B/P Æ G30 or G31 at 30 mbar
17
Countries / Gas Categories
II2HS3B/P
Countries: HU
ƒ
2HS Æ G20 at 25 mbar
or
G25.1 at 25 mbar
ƒ
3B/P Æ G30 or G31 at 30 mbar
18
Test Gasses for Normal
Operation
Gasses indicated on rating labels and in specifications are test gasses for normal operation in
accordance with EN 437
ƒ
2nd Family : natural gas
Group H: G20 = CH4 100%
Group L: G25 = CH4 86% + N2 14%
Group S: G25.1 = CH4 86% + CO2 14% (only Hungary)
ƒ
3rd Family : LPG
Group B: G30 = n-C4H10 50%, i-C4H10 50%
Group P: G31 = C3H8 100%
„Real“ gasses will be slightly different
19
Gasses
ƒ CH4 methane
ƒ n-C4H10 butane
ƒ i-C4H10 isobutane
ƒ C3H8 propane
ƒ CO2 carbon dioxide
ƒ N2 nitrogen
20
Hob Top
21
Component Layout
Main Shutoff Valve
Mains
Terminal Box
Ignition
Unit
Spark
Plugs
Main
Control
&
Power
Board
Modulation
Valves
L.H.
User
Interface
R.H.
User
Interface:
ON /
OFF
+
Timer
Main
Earth
Thermocouples
R.H.
Burner
UI
22
Schematic Layout
23
Gas Touch Wiring 1
With EMC Filter
24
Gas Touch Wiring 2
Without EMC Filter
25
Gas Touch Wiring
ƒ
Initial production wiring will have an EMC filter
between terminal box and main board
ƒ
Main board will be modified by mid-2005 for RoHS
compliance; this modified board will also comply with
EMC regulations without the need of a filter (to be
confirmed)
ƒ
The allowed leak current will not be exceeded if this
board is used as service replacement on an older hob
having the filter
26
Gas Control Schematic
27
Power Board
to igniter
to main
shut-off valve
2x white
to modulation valves
2x white: shut-off valve
5x grey: linear step motor
to thermocouples
from
mains
power
supply
to user
interface
serial PC interface
(not used in service)
28
User Interface L.H.
29
User Interface R.H.
30
Main Shut-off Valve
SOLENOID
VALVE
TERMINALS
GAS OUTLET
SOLENOID
12 Vdc
60 ohms
(at 20°C)
GAS INLET
31
Modulation Valve
MODULATOR
CONNECTOR
SOLENOID VALVE TERMINALS
SOLENOID
12 Vdc / 87 ohms
LINEAR STEP
ACTUATOR
12 Vdc
158 ohms per phase
GAS OUTLET
GAS INLET
32
Modulation Valve
SHUT-OFF
VALVE
LINEAR STEP
ACTUATOR
33
Step Motor
34
Characteristic of Step Actuator
Natural Gas 20 mbar
35
Characteristic of Step Actuator
LPG 37 mbar
36
Flame Modulation
ƒ
The flame can be set in 6 levels
ƒ
At maximum level, the valve is always fully open
ƒ
The other 5 flame levels are defined for each type of
gas by a so-called map stored in the EEPROM
ƒ
This map is a set of 5 step values for the step motor
37
Electrolux Burners
Burner Body
Ignition
Main nozzle
in primary air
chamber
Safety
thermocouple
38
Electrolux Burners
Burner Crown
Burner Body
Burner Lid
Safety
thermocouple
39
Electrolux Burners
Primary air from above, not adjustable
40
Burners Variants
41
Burners Variants
42
Electrolux Burners
Burner type
natural
gas (H/L)
20 mbar
LPG
30 mbar
LPG
50 mbar
Wok
rapid
semirapid
auxiliary
main nozzle H [x 0.01 mm]
146
119
96
70
DKK: main nozzle L [x 0.01 mm]
150
133
106
74
ZO: main nozzle LL [x 0.01 mm]
153
133
106
74
DKK: by-pass nozzle [x 0.01 mm]
44
39
30
25
ZO: by-pass nozzle [x 0.01 mm]
56
40
32
28
ON APPLIANCES ADJUSTABLE TO LPG 30m b
ZO: by-pass nozzle [x 0.01 mm]
45
35
28
23
ON APPLIANCES ADJUSTABLE TO LPG 50m b
DKK: max. power [kW]
3.8
3
1.9
1
ZO: max. power [kW]
4
3
2
1
DKK: min. power [kW]
0.9
0.55
0.45
0.35
ZO: min. power [kW]
1.2
0.65
0.45
0.33
main nozzle [x 0.01 mm]
98
86
71
50
DKK: by-pass nozzle [x 0.01 mm]
44
39
30
25
ZO: by-pass nozzle [x 0.01 mm]
56
40
32
28
power [kW]
4
2.8
2
1
DKK main nozzle [x 0.01 mm]
88
75
60
43
ZO main nozzle [x 0.01 mm]
92
75
60
43
DKK: by-pass nozzle [x 0.01 mm]
39
31
27
23
ZO: by-pass nozzle [x 0.01 mm]
45
35
28
23
DKK: power [kW]
4
2.8
2
1
ZO: power [kW]
4
3
2
1
burner diameter [mm]
130
104
74
58
lid diameter [mm]
126 / 46
102
72
55
gasket diameter [mm]
171
134
126 / 95
126 / 95
43
Installation : Dimensions
44
Installation : Dimensions
45
Installation : Ventilation
or
46
Installation :
Electrical Connection
ƒ
Cable fitted to appliance :
H05 V2V2-F (T90) 3x0.75 mm², without plug
ƒ
Connect appliance to mains supply
ƒ
either with a suitable plug-and-socket connection
(UK: 3 Amp fuse)
ƒ
or with a fixed connection; in this case a double
pole switch with a minimum gap of 3 mm must be
installed between the appliance and the mains
supply
47
Installation :
Connect to Power Supply
ƒ
An initialization procedure is
started after connecting the
appliance to the power supply
(or after a power reset)
ƒ
All LEDs will illuminate for
some seconds, then extinguish
again
ƒ
The hob can be switched on now
48
Operation :
Switch On Hob
ƒ
Touch the main ON/OFF control
for about 3 seconds
ƒ
The power control LED will
illuminate, a long beep will
sound
ƒ
The hob is ready for use now
ƒ
If no other control is activated
within 30 seconds, the hob will
be switched off automatically
49
Operation :
Switch On Burner
ƒ
Touch the Ignition control of the
required burner
ƒ
The 2 outer LEDs of the flame
level indicator, and the residual
heat LED, will illuminate
ƒ
Within 3 seconds, touch either
the Flame Increase or the Flame
Decrease Control of that burner
50
Operation :
Ignite Burner - High Flame Level
ƒ
If the Flame Increase control is
used, the burner will ignite at
maximum flame level
ƒ
All 6 flame level LEDs illuminate
ƒ
The power board controls the
respective modulation valve,
fully opening the gas supply to
the burner
ƒ
The ignition device is activated
for about 6 seconds
51
Operation :
Ignite Burner - Low Flame Level
ƒ
If the Flame Decrease control is
used, the burner will ignite at
medium flame level
ƒ
3 flame level LEDs illuminate
ƒ
The power board controls the
respective modulation valve,
opening the gas supply to the
burner
ƒ
The ignition device is activated
for about 6 seconds
52
Operation :
Select Flame Level
ƒ
By further touching either the
Flame Increase or the Flame
Decrease control, the flame level
can be adjusted as required
ƒ
The flame level LEDs will show
the setting
53
Operation :
Select Flame Level
N.B:
Whichever the selected flame
level, the modulation valve will
be fully open during ignition,
and the flame will start burning
at maximum level
The flame will be reduced to the
selected level only after the
thermocouple safety device
delivers a stable signal
54
Operation :
Ignition of Several Burners
ƒ
If ignition is selected for more than 1 burner, these
will be ignited sequentially, i.e. the ignition procedure
must be finished for one burner before it is started for
the next one
55
Operation :
Switch Off Burner
ƒ
To switch of one burner, touch
the repective Ignition Control
56
Operation :
Residual Heat Indicator
ƒ
After switching off the burner,
the respective residual heat
indicator LED will stay on for
about 40 minutes (only timecontrolled)
ƒ
The LED will not light up again
after a power reset, even if the
burner is still hot
57
Operation :
Switch Off Hob
ƒ
To switch off the hob, i.e. all
burners and the timer, touch
the main ON/OFF control
58
Operation :
Lock (Child Lock)
ƒ
Hob is switched OFF
ƒ
Touch Lock control for about 3
seconds, until the associated
LED illuminates, and a long
beep is heard
ƒ
To switch on the hob, the child
lock must be de-activated first,
by touching the Lock control
again, until LED extinguishes,
and long a long beep is heard
59
Operation :
Lock (Function Lock)
ƒ
Hob is switched ON, at least one
burner functioning
ƒ
Touch Lock control for about
3 seconds, until the associated
LED illuminates, and a long
beep is heard
ƒ
Flame setting can‘t be changed,
only the OFF control is active
ƒ
To de-activate the lock, touch
the Lock control again until LED
extinguishes and a long beep is
heard, or switch off the hob
60
Ignition Failure
ƒ
Spark generator will attempt ignition for about
6 seconds
ƒ
If ignition is not successful, the gas supply to this
burner is interrupted for 3 seconds, after which sparks
are again generated for 6 seconds
ƒ
If ignition fails after 3 attempts, the burner will go into
safety mode
ƒ
The selected segments of the flame level indicator will
flash
ƒ
Fault “01” is shown flashing in timer display for the
respective burner (if timer is switched on)
61
Automatic Reignition
ƒ
If the flame is accidentally extinguished, this is
detected by the thermocouple, and the main board will
close the respective shut-off valve to interrupt the gas
flow
ƒ
After 20 seconds, the gas flow is opened again, and
the ignition procedure is restarted
ƒ
After 3 unsuccessful attempts, the burner will go into
safety mode
ƒ
The selected segments of the flame level indicator and
the residual heat indicator will flash
ƒ
Fault “01” is shown flashing in timer display for the
respective burner (if timer is switched on)
62
Overheating
ƒ
If the NTC sensor on the main board detects a
temperature of 95°C, all functioning burners are
switched to minimum flame level
ƒ
If temperature continues to increase, reaching 105°C,
the hob is switched off completely, and goes into
safety mode
ƒ
Fault “09” is shown flashing in the timer display for all
burners (if timer is switched on)
63
Burner Safety Switch Off
ƒ
Any burner will be automatically switched off after 4
hours from the last user intervention (e.g. flame level
adjustment)
ƒ
The burner goes into safety mode
ƒ
Fault “10” is shown flashing in timer display for the
respective burner (if timer is switched on)
64
Operation :
Safety Mode Reset
ƒ
When a safety mode is set
on one or more burners,
the respective controls
cannot be operated for
about 60 seconds
ƒ
After this, the burner (or
the hob), can be reactivated by
simultaneously touching
the Flame Increase and the
Flame Decrease controls
65
Operation :
Switch-off Timer
ƒ Ignite the required burners
ƒ If more burners are operating,
the switch-off timer can be set
for one of them only
ƒ Repeatedly touch the Timer
control, until the LED
corresponding to the desired
burners illuminates
66
Operation :
Switch-off Timer
ƒ Set the time (up to 99
minutes) by using the Time
Increase or Time Decrease
controls
ƒ Countdown will start
immediately
ƒ Countdown of the last
minute is in seconds, last 10
secs accompanied by beeps
ƒ Repeated beeps after switch
off - touch Timer control to
cancel
67
Operation :
Minute Minder
ƒ If the timer is set when none
of the burners are operating,
it will act as a minute minder
68
Conversion to Another Gas
Change the main nozzle using a 7 mm socket spanner
69
Single Nozzles
Marking / Spare Part Numbers
auxiliary burner
semirapid burner
rapid burner
natural gas H
20 mbar
70
354 400 413 / 2
96
354 400 412 / 4
119
354 400 404 / 1
natural gas L
25 mbar (NL)
71
354 400 436 / 3
100
354 400 435 / 5
124
354 400 434 / 8
LPG
28-30/37 mbar
50
354 400 071 / 8
71
354 400 036 / 1
86
354 400 432 / 2
70
Kits
The following kits can be used for conversion or retrofit:
ƒ for natural gas H, 20 mbar:
ƒ 5026 73 42-00 / 9: 1 x 0.70; 2 x 0.96; 2 x 1.19
ƒ 5027 36 08-00 / 5: 1 x 0.70; 3 x 0.96; 1 x 1.19; 1 x 1.46*; 1 x 1.13**
ƒ for natural gas L, 25 mbar (NL):
ƒ 5026 45 43-00 / 5: 1 x 0.71; 3 x 1.00; 1 x 1.24; 1 x 1.33*
ƒ for LPG, 28-30 / 37 mbar:
ƒ 5027 36 09-00 / 3: 1 x 0.50; 3 x 0.71; 1 x 0.86; 1 x 0.98*
ƒ 5026 94 49-00 / 0: 1 x 0.50; 2 x 0.71; 1 x 0.86; 1 x 0.83*
**nozzle for 3-crown burner
* nozzle for oven burner
71
Setting the Gas Type
ƒ After changing the nozzles,
the gas type must be set in
the main board
ƒ To do this, switch on the hob
ƒ Switch on the timer and set
it to the auxiliary burner
(front left)
72
Setting the Gas Type
ƒ Using the Time Increase
control, set timer to 99
73
Setting the Gas Type
ƒ Using the Time Decrease
control, set timer to 80
(or below)
74
Setting the Gas Type
ƒ Using the Time Increase
control, set timer to 83
75
Setting the Gas Type
ƒ The timer display will now
show the current setting,
usually „n0“ (factory setting)
ƒ If required, change the
setting in accordance with
instructions
ƒ If „n2“ is not defined for the
respective model, the hob
will not work with this
setting (eventually showing
fault „01“)
76
Minimum Flame Adjustment
ƒ If the flame aspect and the flame stability are not
satisfactory, carry out the procedure of „Setting the
Gas Type“, until the setting is shown
ƒ Ignite the burner to be adjusted - an automatic
adjustment will be carried out, in the course of which
the burner may repeatedly extinguish an re-ignite
ƒ During this sequence, a manual adjustment can be
done by using the Flame Increase or Flame Decrease
controls
77
Flame Adjustment
ƒ
If the minimum flame level (step 1) is manually
adjusted, this means that the step value for level 1 is
changed
ƒ
The step values for levels 2 to 5 will be shifted
accordingly
ƒ
Level 6 remains unchanged (fully open), the flame
level being determined only by the inlet pressure and
by the size of the nozzle
78
Fault Codes
ƒ If a fault condition occurs on one burner, this will be
shown by flashing flame level LEDs and residual heat
LED (N.B.: not always all 7 LEDs will flash, but only
those which were illuminated when the fault condition
occured)
ƒ To read the fault code, switch on the timer, and set it to
the respective burner: a flashing 2-digit decimal fault
code is shown
79
Fault Codes
ƒ Faults are marked B or S on the following slides
ƒ B faults affect only individual burners:
ƒ the affected burner goes into safety mode
ƒ the fault code is shown in the timer display only
when the timer is set to the respective burner
ƒ the system, and the other burners, remain
operative
ƒ S faults affect the whole system
ƒ the system, and all burners, are locked
ƒ the fault code is shown in the timer display for
all burners
80
Fault Codes
Possible Causes
00
-
0I
B No flame after retry
No error
ƒ
ƒ
ƒ
ƒ
ƒ
ƒ
ƒ
ƒ
ƒ
ƒ
Absence of spark
Absence of gas supply
Incorrect spark
Wrong position of burner cap
Wrong position of thermocouple
Wrong connection of thermocouple
Main shut-off valve faulty
Burner shut-off valve faulty
Wrong gas setting
Main board faulty
81
Fault Codes
Possible Causes
02
B Solenoid valve feedback fault
ƒ
ƒ
ƒ
Wiring to burner shut-off valve faulty
Burner shut-off valve faulty
Main board faulty
82
Fault Codes
Possible Causes
03
04
05
06
07
B Step motor phase 1 fault
B Step motor phase 2 fault
B Step motor phase 3 fault
B Step motor phase 4 fault
B Step motor enable fault
ƒ
ƒ
ƒ
For all above:
Wiring to step motor faulty
Step motor faulty
Main board faulty
83
Fault Codes
Possible Causes
08
B Generic fault
ƒ
09
Main board faulty
S Temperature out of range
ƒ
ƒ
NTC on main board detects temperature > 105°C
Overheating - wait for cool down
(if frequent, check for causes, e.g. excessive use ,
unfavourable build-in situation)
Main board faulty
84
Fault Codes
Possible Causes
I0
B Continuous run timeout
Timeout exceeded (burner on for more than 4 hours
without any user intervention)
No fault (normal safety function)
II
S Power supply Vpp fault
Fault in 12.8 V supply on main board
I2
S Power supply Vdd fault
Fault in 3.3 V supply on main board
85
Fault Codes
Possible Causes
I3
-
Power supply battery
Battery discharged or missing
(Only when battery backup kit is installed !)
I4
B Abnormal thermocouple condition
Parasite flame detected by thermocouple
ƒ Thermocouple faulty
ƒ Thermocouple wiring faulty
ƒ Main board faulty
86
Fault Codes
Possible Causes
I5
S System locked, fatal fault
I6
S NTC sensor fault
NTC value out of working range (broken / short circuit)
I7
S Time base ratio fault (time slot monitoring)
I8
S AD converter fault
I9
S Data memory fault
20
S Program memory fault / configuration bit fault
87
Fault Codes
Possible Causes
2I
S EEPROM memory fault
22
S EEPROM data out of range
23
S Software watchdog fault (time slot monitoring)
24
S Logical monitoring tracing fault
all above (15 to 24):
Main board faulty
30
S Uninstalled burner
88
Faulty PCB
ƒ In case a fault of the electronic control is suspected,
knowledge of the signal flow between the boards will
be helpful to detect the faulty board
ƒ Communication between the main board and each of
the two user interface board is detailed on next slide
89
Communication PB - UI
R.H. User
Interface
Main On/Off
Timer
Lock
L.H. User
Interface
Fault code
Flame presence
Off request from clock
Residual heat
Flame level request
Off request
Reset request after lockout
General off
Child/function lock
Fault code
Flame presence
Off request from clock
Residual heat
Beep request
Flame level request
Reset request after lockout
Mains
Supply
to Main Shut-off Valve
to Burner Shut-off Valves
Main
&
Power
Board
NTC
to Burner Step Actuators
to Ignition Unit
Thermocouple Signals
90
Service Manual
Soon in TDS:
Service Manual
Publ. No.
599 366 262
91