Installation instructions
1009441-R07
Identification plate
Depending on
appliance, plate
with additional
information
Built-in variants of gas hob
Multi-sliders GAS411/421/641/951
The appliance must be installed by qualified personnel only. Each step must be carried out and checked in full in the
order specified.
Check that the local connection conditions (gas type and gas pressure) and the appliance setting match before connecting the appliance.
The default values for this appliance are provided on the information plate (or on the identification plate).
This appliance is not connected to a combustion by-product outlet. It must be set up and connected according to the
applicable installation conditions. Particular attention must be paid to the relevant ventilation requirements.
If installing into a combustible material, the guidelines and standards for low voltage installations and fire protection
must be strictly observed.
Validity
These installation instructions apply to the following models:
Product family Type Appliance class
31063 GAS411GSAZ Class 3
31064 GAS421GSAZ
31071 GAS641GSAZ
31072 GAS951GSAZ
DIN EN 30-1-1
1009441-R07
25/07/2017
General notes
Identification plate
The identification plate and stickers with the permissible
gas types and safety precautions are located on the underside of the hob.
▸ Affix the second identification plate (supplied) in an accessible position behind the front of the fitted cabinet beneath the appliance.
Care and maintenance
▸ Follow the care and cleaning advice in the operating instructions.
▸ Follow the basic maintenance advice in the operating instructions.
1
Installation instructions
1009441-R07
Built-in variants of gas hob
Multi-sliders GAS411/421/641/951
1009441-R07
25/07/2017
Installation accessories provided
For all installation variants:
Designation Art. no.
4 adjusting braces H61561
Sealing ring gas connection 18 × 13 × 1.5 mm H64006
Flush installation:
Designation Art. no.
Cementing-in instructions J004133
Sealing strip set H63283
Spacer set H60330
Accessories
Surface-mounted installation:
Designation Article no.
Stainless steel intermediate support for the surface-mounted combination of several hobs 1014361
Black intermediate support for the surface-mounted combination of several hobs 1019199
Flush installation:
Designation Article no.
Steel angle set, hob size: 40 H63771
Steel angle set, hob size: 60 H63772
Steel angle set, hob size: 90 H63775
Designation Article no.
Instant adhesive for installation of steel angle
Permabond F246 (incl. activator), 50 ml tube. From Silitech AG, 3008 Berne.
Cement set
Complete with cleaning agent, primer type 1105, cartridge with black silicone adhesive, with nozzle. Suitable for all absorbent worktop materials (wood and natural stones such as marble or granite).
Special primer type 107
Suitable for non-absorbent worktop materials (not suitable for polyethylene, polypropylene or Teflon).
Intermediate support kit for the flush-mounted combination of several hobs (contains two intermediate
supports)
B11502
86.3928.85
45.2771.76
H63789
Gas connection
Designation Art. no.
Sealing ring gas connection 18 × 13 × 5 mm, for long thread. 1030096
2
Installation instructions
1009441-R07
2
B
825
=
=
≥49
0
1
600
≥400
H
Y – Y
B
Drawer/
cabinet
Side panel
A
S* ≥81
T ≥90
≥50
≥50
490±1
600
A
Ra
Ra
600
560±1
490±1
≥50
≥50
A
600
Ra
900
A
600
886±1
≥50
490±1
≥50
373±1
H
H
H
384
501
Y
Y
Ri
8
97
Ri
571
501
Ri
Y
Y
Y
Y
501
GAS411GSAZ, GAS421GSAZ GAS951GSAZGAS641GSAZ
Built-in variants of gas hob
Multi-sliders GAS411/421/641/951
Surface-mounted installation
The cooking zone layout of the hob to be fitted may differ from the hob illustrated!
1009441-R07
25/07/2017
* The required clearance must be observed!
Type A Depends on producer B H Corner radius Ra/Ri
GAS411GSAZ, GAS421GSAZ,
GAS641GSAZ, GAS951GSAZ
A Worktop depth B Required clearance for service replacement
H Dimension from the top of the work surface to the underside of the gas connection
Ri Corner radii of appliance for base plate Ra Outer corner radii of cut-out
S Minimum distance between the top of the work surfaces and any drawer
T Minimum distance between the cut-out in the back and any drawer
1 Front and rear struts may be reinforced on the underside. The strut width is determined by the producer of the stone
2 For niche width 900mm, cut-outs in side walls left/right are necessary for servicing work where the appliance base
Installation
▸ Create an accurate installation cut-out.
worktop. The minimum strut width can vary according to the property of the stone.
must be removed from below.
Do not damage the sealing bead.
The sealing bead must lie all around the edge of worktop.
▸ Carefully put the appliance in the installation cut-out and press against the work surface with sufficient overlap.
▸ Fit the four adjusting braces along the circumference of the appliance to the bore holes provided and tension the appliance against
the worktop.
Combination installation
Surface-mounted combination installation is described in document 1013773. The intermediate support 1014361 or 1019199 is required for this.
≥30mm ≥95mm 94mm 0–5/1.5mm
3
Installation instructions
1009441-R07
B
8
25
=
=
≥ 500
1
2
Steel angle bonded
or screw mounted
Ra
8
.5
0
-1
8
.5
0
-0.5
8.5
0/+1
8.5 0/+1
Detail Z
C
D
R0–5
H
H
H
384
501
Y
Y
Ri
897
Ri
571
501
Ri
Y
Y
Y
Y
501
GAS411GSAZ, GAS421GSAZ GAS641GSAZ GAS951GSAZ
H
Y – Y
B
A
S* ≥85
T ≥90
Drawer/
cabinet
Side panel
900
A
600
903 ±1
507 ±1
≥ 41.5
≥ 41.5
Z
600
577 ±1
507 ±1
≥ 41.5
≥ 41.5
A
6
00
600
≥ 4
00
≥ 41.5
507
±1
600
A
Z
390 ±1
≥ 41.5
Z
Built-in variants of gas hob
Multi-sliders GAS411/421/641/951
Flush installation
The cooking zone layout of the hob to be fitted may differ from the hob illustrated!
1009441-R07
25/07/2017
* The required clearance must be observed!
Type A Depends on producer B H Corner radius Ra/Ri C/D
GAS411GSAZ, GAS421GSAZ ≥30mm ≥175mm 98mm 5/1.5mm 373/490mm
GAS641GSAZ 560/490mm
GAS951GSAZ 886/490mm
A Worktop depth B Required clearance for service replacement
H Dimension from the top of the work surface to the underside of the gas connection
Ri Corner radii of appliance for base plate Ra Outer corner radii of cut-out
S Minimum distance between the top of the work surfaces and any drawer
T Minimum distance between the cut-out in the back and any drawer
1 Front and rear struts may be reinforced on the underside. The strut width is determined by the producer of the stone
worktop. The minimum strut width can vary according to the property of the stone.
2 For niche width 900mm, cut-outs in side walls left/right are necessary for servicing work where the appliance base
must be removed from below.
4
Installation instructions
1009441-R07
Installation pipe Distribution boxClamp
Built-in variants of gas hob
Multi-sliders GAS411/421/641/951
Installation
1009441-R07
25/07/2017
▸ Create an accurate installation cut-out.
– The mounting surface can be reamed out or created by installing wood/stone supports or using the steel angle set (see Ac-
cessories).
Access to the appliance from below via the entire cut-out area must be guaranteed. For servicing purposes, the appliance
base can be removed from below.
▸ Prepare the cut-out and appliance according to the specifications in the enclosed cementing-in instructions and align the appliance
in the cut-out.
▸ Fit the four adjusting braces along the circumference of the appliance to the bore holes provided and tension the appliance against
the worktop.
▸ Carefully cement the appliance in and leave the silicone sealant to dry for at least 24 hours.
▸ Connect to the electrical mains connection before inserting the appliance, if necessary.
Combination installation
Flush combination installation is described in document 1014381. The intermediate support kit H63789 is required for this.
Electrical connection
Electrical connections must be carried out by qualified personnel in accordance with the guidelines and standards
for low-voltage installations and the specifications of the local electricity supply companies.
A plug-in appliance may only be connected to a socket outlet with earthing contact, installed according to specifications. An
all-pole mains isolating device with 3 mm contact opening should be provided in the house wiring system. Switches, plug and
socket devices, circuit breakers and fusible cut-outs which are accessible after installation and which have all-poles switching
are permissible as isolating devices. Effective earthing and separately installed neutral and earth conductors ensure safe and
fault-free operation. After installation, live parts and cables with basic insulation must not be accessible. Check old installations.
▸ Refer to the identification plate for information on the required mains voltage, current type and fuse protection.
The connection cable has either a plug or three stranded wires.
Plug-in appliances must be connected to an easily accessible power socket.
Appliances with stranded wires must be connected by a qualified electrician via a junction box according to local regulations.
The mains plug must not be cut off.
Error message U400
Incorrect connection:
Pole conductor connected to connection terminal for neutral conductor or voltage too high.
▸ Quickly disconnect the appliance from the mains!
5
Installation instructions
1009441-R07
≥15
B
A
≥750
≥450
Built-in variants of gas hob
Multi-sliders GAS411/421/641/951
Ventilation
In order to guarantee minimum ventilation, a space of ≥20mm height is necessary beneath the appliance.
A The rear panel of the base unit must be open around the work surface
cut-out to guarantee continuous air circulation via the ventilation slits.
The air must be drawn in from outside the cabinet and be able to circulate freely from inside the cabinet to the hob.
B Alternatively, a concealed fresh air supply can ensure air circulation in-
side the cabinet.
So that enough cold air can be drawn in, there must be a continuous
supply of fresh air circulating till outside the cabinet.
The air must be drawn in from outside the cabinet and be able to circulate freely from inside the cabinet to the hob.
1009441-R07
25/07/2017
Minimum distances and installation conditions
The distance from the appliance cut-out to the back wall must be ≥50mm and to the side walls ≥200mm. Parts such
as side walls and reinforcing strips which protrude into the installation space under the cooking zone must be made
of fire-resistant material.
The distance between the underside of the appliance tray and any part of the cabinet beneath that is made of combustible material must be ≥20mm.
When a range hood is installed above the gas hob, the minimum distance given for
the particular range hood must be observed.
Furthermore, the minimum distances illustrated must be strictly complied with if a
lower value is stated for the range hood.
▪ The worktop must be flat in order that it is sufficiently sealed against the ingress of
liquids.
▪ In order to guarantee good ventilation, a space of at least 20mm in height is ne-
cessary beneath the appliance.
▸ The appliances are designed for use up to a max. altitude of 2000 m above sea
level.
6
Installation instructions
1009441-R07
67
187
67
187
67
125
69
330
GAS411 GAS421 GAS641
GAS951
32.5
G½ ISO 228/1
32.5
G½ ISO 228/1
65
65
Built-in variants of gas hob
Multi-sliders GAS411/421/641/951
Gas connection
The gas connection and the conversion to another gas type must be carried out by an authorized installer.
1009441-R07
25/07/2017
▸ The gas connection must be positioned so that the stop-cock and the supply connection point are accessible with the appliance in-
stalled.
▸ The gas connection must be positioned so that it does not get detrimentally hot during operation. In particular, the gas hose assem-
blies and the appliance’s connection fittings must be clear of hot exhaust gases (e.g. from an oven).
▸ It must be ensured that the gas hose and the mains connection do not touch any hot parts of the appliance, otherwise the gas hose
and the mains cable could become damaged through heat.
▸ A flexible connection lead (max. length 1.5 m) must be positioned so that it runs freely and does not come into contact with any mov-
able parts of the kitchen cabinets (e.g. a drawer).
½-inch metric thread
The gas connection on the appliance has a ½-inch external thread in accordance with ISO 228/1. If the gas installation on site already
has a corresponding counterpart, the gas appliance can be directly connected to it.
It is imperative to use the sealing ring for the front-end seal!
7
Installation instructions
1009441-R07
SiSo
h
Built-in variants of gas hob
Multi-sliders GAS411/421/641/951
Thread length
The thread length of the gas connection on the appliance (external thread) So is 12mm. If the
thread length of the on-site counterpart (internal thread) Si is longer than 13mm, the front-end seal
is no longer guaranteed through the supplied green sealing ring H64006 with a height of 1.5mm.
In this case, the yellow sealing ring 1030096 with a height h of 5mm is to be used as it provides a
leak tight connection for on-site thread lengths of up to 16.5mm.
½-inch conical thread
If the installation on site has a conical thread, the transition piece and sealing ring must first be
screwed onto the appliance. The transition piece has a conical external thread R ½-inch in accordance with ISO 7/11. In the case of a conical screw connection, the thread makes the seal, which is
why the thread must be sealed with hemp or Teflon tape.
1009441-R07
25/07/2017
After the gas has been connected, leak and function testing must be carried out by a competent person.
Changes to the service menu
Changes to the service menu can only be made within 1 minute of applying the voltage. If the appliance has already been connected
for a longer period, interrupt the power supply for about 10seconds.
▸ With the hob switched off, hold the and buttons depressed at the same time for 4seconds.
– An acoustic signal is emitted.
▸ Hold both sliders to the left of the button depressed at the same time for 4seconds.
– An acoustic signal is emitted.
For appliance GAS411, simply press the single slider .
▸ Use the button to select the next highest and the button the next lowest user setting.
– The current service menu item is shown in the timer display.
The current value under the corresponding menu item is displayed above the first active slide to the left of the button. Use the first
active slider to the left of the button to change the values. The left half of the slider functions as the minus button and the right half
functions as the plus button.
Menu
item
Software version number
Software variant number
Function Default
setting
Set gas type G20, 20 mbar
of touch control
of touch control
Display text All displays illuminate.
Demo mode The demo mode is switched off.
Setting Description
G30/31, 28–30/37 mbar
G30/31, 50 mbar
G20, 13 mbar
G25/25.3, 25 mbar
G20, 25 mbar
The current software version
is displayed: U-x-x-x.
The current software variant
is displayed: P-x-x-x.
The demo mode is switched on.
8
Installation instructions
1009441-R07
1 2 3 4
GAS641 ...
2 3 4 5
GAS951 ...
1
Built-in variants of gas hob
Multi-sliders GAS411/421/641/951
▸ To save entries: Hold the and buttons depressed at the same time for 2 seconds.
– An acoustic signal is emitted.
– The «Service menu» mode is ended.
Cancelling user settings
▸ Press the button.
– Any changes made to the default values are not saved.
– The «Service menu» mode is ended.
Error Er 47
▸ Applies to both types listed in the table.
If error Er 47 appears in the display, communication to the slider control is not working correctly.
Under menu item , set the correct setting values as indicated in the table below.
1009441-R07
25/07/2017
Type Slider 1 Slider 2 Slider 3 Slider 4 Slider 5
GAS641 … Gas configuration - - -
GAS951 … Gas configuration - -
9
Installation instructions
1009441-R07
Built-in variants of gas hob
Multi-sliders GAS411/421/641/951
1009441-R07
25/07/2017
Conversion to another gas type
The appliance is set up for a certain gas type, which is also recorded on the identification plate. The appliance can be converted to another type of gas using the nozzle set supplied (others available as accessories). To this end, the injector nozzles in the burner must be
changed and the corresponding gas type must be selected from the service menu.
Type Default gas
setting
GAS411GSAZ Natural gas H,
GAS421GSAZ
GAS641GSAZ
GAS951GSAZ
All the nozzles are numbered to avoid any possibility of confusion.
Always disconnect the appliance from the electricity and gas mains before changing the nozzles.
E (G20),
20 mbar
Nozzle set Additional nozzle sets available for country-specific combinations of gas
type and connection pressure
Liquid gas butane/propane
(G30/31), 28–30/37 mbar
Liquid gas G30,
50 mbar
Nozzle set
1015471
Natural gas L/K
(G25/G25.3),
25 mbar
Nozzle set
1015472
Changing the injector nozzles
▸ Remove the pan supports and burners.
▸ It is also necessary to remove the nozzle cover flap if the hob has a wok burner.
▸ Remove central injector nozzles (using 7mm socket wrench).
▸ Remove horizontal injector nozzles in the wok burner using an open-end wrench.
▸ Screw in the new injector nozzles (according to the table) as far as they will go.
▸ It is necessary to put back the nozzle cover flap if the hob has a wok burner.
▸ Put back the burners and pan supports.
▸ Reconnect the appliance to the electricity and gas mains.
Natural gas G20,
13 mbar
Nozzle set
1015474
Natural gas G20,
25 mbar
Nozzle set
1015473
Changing the gas characteristics
▸ Access the service menu (see previous section).
▸ Select the desired gas characteristics under item and save.
For the appliance, the following gas types are available:
Gas type Test gas Connection
pressure
Natural gas H/E G20 20mbar 78 97 125 71 2 × 125
Liquid gas
butane/propane
Liquid gas
butane/propane
Natural gas RU G20 13mbar 85 107 149 80 2 × 145
Natural gas LL G25 20mbar 78 97 125 71 2 × 125
Natural gas L/K G25/G25.3 25mbar 78 100 130 71 2 × 134
Natural gas H/E G20 25mbar 73 92 119 62 2 × 122
G30/31 28–30/
37mbar
G30/31 50mbar 46 60 78 40 2 × 72
Affixing the gas sticker
After conversion to another gas type, the sticker supplied with the nozzle set must be affixed in the appropriate place on the identification plate.
Setting in
the
menu
Injector nozzles (ø in hundredths of a mm)
Economy
burner
50 66 85 46 2 × 80
Standard
burner
Rapid
burner
Wok burner
Inside Outside
The appliance must be tested for leak tightness before using for the first time.
10
Installation instructions
1009441-R07
Built-in variants of gas hob
Multi-sliders GAS411/421/641/951
1009441-R07
25/07/2017
Technical data
GAS411GSAZ Nominal heat input
Gas type Test gas Connection pressure Wok Total
Natural gas H/E G20 20 mbar 6 kW 6 kW
Natural gas H/E G20 25 mbar
Natural gas RU G20 13 mbar
Natural gas L/K G25/G25.3 25 mbar
Natural gas LL G25 20 mbar 5.2 kW 5.2 kW
Liquid gas butane/propane G30/G31 28–30/37mbar 6 kW/
Liquid gas butane/propane G30/G31 50 mbar
GAS421GSAZ Nominal heat input
Gas type Test gas Connection pressure Standard burner Rapid burner Total
Natural gas H/E G20 20 mbar 1.75 kW 3 kW 4.75 kW
Natural gas H/E G20 25 mbar
Natural gas RU G20 13 mbar
Natural gas L/K G25/G25.3 25 mbar
Natural gas LL G25 20 mbar 1.5 kW 2.6 kW 4.1 kW
Liquid gas
butane/propane
Liquid gas
butane/propane
G30/G31 28–30/37mbar 1.75 kW 3 kW 4.75 kW/
G30/G31 50 mbar
438g/h
6 kW/
438g/h
347g/h
GAS641GSAZ Nominal heat input
Gas type Test gas Connection pressure Economy
burner
Natural gas H/E G20 20 mbar 1 kW 1.75 kW 3 kW 7.5 kW
Natural gas H/E G20 25 mbar
Natural gas RU G20 13 mbar
Natural gas L/K G25/G25.3 25 mbar
Natural gas LL G25 20 mbar 0.9 kW 1.5 kW 2.6 kW 6.5 kW
Liquid gas
butane/propane
Liquid gas
butane/propane
Gas type Test gas Connection pressure Economy
Natural gas H/E G20 20 mbar 1 kW 1.75 kW 3 kW 6 kW 13.5 kW
Natural gas H/E G20 25 mbar
Natural gas RU G20 13 mbar
Natural gas L/K G25/G25.3 25 mbar
Natural gas LL G25 20 mbar 0.9 kW 1.5 kW 2.6 kW 5.2 kW 11.7 kW
Liquid gas
butane/propane
Liquid gas
butane/propane
G30/G31 28–30/37mbar 1 kW 1.75 kW 3 kW 7.5 kW/
G30/G31 50 mbar
GAS951GSAZ Nominal heat input
burner
G30/G31 28–30/37mbar 1 kW 1.75 kW 3 kW 6 kW/
G30/G31 50 mbar
Standard burner Rapid burner Total
Standard
burner
Rapid
burner
Wok Total
986g/h
548g/h
13.5 kW/
986g/h
11
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