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5

Setting up the appliance

The distance between the top edge of the cooker and the 

bottom edge of the extractor hood must comply with the 

extractor hood manufacturer's specifications.

Ensure that the appliance is not moved again after it is set 

up. In particular, the distance from the high-output burner to 

the fronts of adjacent units or from the wall must be at least 

50 mm.

The underside of the appliance heats up during operation. 

We therefore recommend that you install a guard plate on the 

underside of the appliance.

Removal of hob

Turn off the appliance's electricity and gas supply.

Unscrew the clips and proceed in the reverse order to 

installation.

Set-up, gas and electricity connection

Gas connection

Installation must only be performed by an approved expert or a 

licensed after-sales service engineer in accordance with the 

instructions specified in the "Installation instructions".

For the licensed expert or after-sales service
Caution!

The setting values for this appliance are specified on the rating 

plate on the back of the appliance. The gas type set in the 

factory is marked with an asterisk (*).
If the star symbol appears next to the label "NG", the appliance 

is set up for natural gas, and if it appears next to "LPG", the 

appliance is set up for liquefied gas.

Caution!

Before connecting the appliance, check whether the local 

connection conditions (gas type and pressure) correspond to 

the appliance settings. If a change to the appliance settings is 

necessary, make the change with the aid of the instructions in 

the "Installation instructions".

Caution!

This appliance is not connected to a waste gas main. It must be 

connected and commissioned in accordance with the 

installation conditions. Do not connect the appliance to a waste 

gas main. All ventilation regulations must be observed.

Caution!

The gas connection must be made via a fixed, i.e. not mobile 

connection (gas line) or via a safety hose. 

Caution!

If using the safety hose, ensure that the hose is not trapped or 

crushed. The hose must not come into contact with hot 

surfaces.

Caution!

The gas connection must have an easily accessible locking 

device.

Safety information

The nominal operating pressure of the appliance is:
for natural gas (G20) 20 mBar, for natural gas (G25) 25 mBar, 

for LPG (G30) 30 mBar, for LPG (G31) 37 mBar. The appliance 

must be operated at these pressure values. All data on the 

rating plate of your appliance relates to these pressure values. 

The manufacturer is not responsible for results, performance or 

any risk caused by operating the appliance at  different values. 

If the gas pressure in your gas supply grid!

for natural gas (G20) is higher than 25 mBar, for natural gas 
(G25) is higher than 30 mBar, for LPG (G30) is higher than 36 
mBar, for LPG (G31) is higher than 45 mBar, you must use 
your appliance in conjunction with a suitable gas regulator, for 
safety reasons. Connection, maintenance and configuration  of 
the gas regulator must be performed by an authorised 
installation expert. If you do not know the gas pressure in your 
gas supply grid, please ask your local supply grid operator.

Faults in the gas installation/smell of gas

If you notice a smell of gas or faults in the gas installation, you 

must:

WHAT TO DO IF YOU SMELL GAS!

Escaping gas may cause an explosion.

If you smell gas or notice any faults in the gas installation:

Immediately shut off the gas supply or close the gas cylinder 
valve.

Immediately extinguish all naked flames and cigarettes.

Do not use any light or appliance switches and do not pull 

any plugs out of sockets. Do not use any telephones or 

mobile phones within the building.

Open windows and ventilate the room.

Call the after

­

sales service or the gas supplier.

PLQ

PD[

Summary of Contents for G20

Page 1: ...01 290595 Ú Installation instructions Gas hob ...

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Page 3: ...r home use only not for commercial or professional use This appliance cannot be installed on yachts or in caravans The warranty will only be valid if the appliance is used for the purpose for which it was designed After connecting the appliance check that the local conditions type of gas and pressure are compatible with the appliance settings The permissible appliance settings can be found on the ...

Page 4: ...work surface Installation of appliance Note Wear protective gloves to fit the hob Remove the pan support handles burner cap and burner heads Turn the appliance over carefully and place it on a soft cloth Make sure that the ignition parts are not damaged The adhesive seal provided prevents leaks Adhere it to the work surface around the cut out It must be adhered around the edge of the area cut out ...

Page 5: ... waste gas main All ventilation regulations must be observed Caution The gas connection must be made via a fixed i e not mobile connection gas line or via a safety hose Caution If using the safety hose ensure that the hose is not trapped or crushed The hose must not come into contact with hot surfaces Caution The gas connection must have an easily accessible locking device Safety information The n...

Page 6: ...ction If the safety earth terminal does not comply with regulations safety against electrical hazards is not guaranteed Caution You must use a H 05 W F type cable or equivalent for the appliance connection Connection for models with mains cable without plug optional Caution Appliances fitted with three core cables must be earthed Connect the wires with the mains cable according to the following co...

Page 7: ... connecting device for example a hose clamp The hose must be short and completely leak tight The hose can have a maximum length of 1 5 m Observe the current guidelines The gas hose must be replaced at least once a year Fit the flexible safety gas hose and use a screw connection or a cable clamp to tighten it securely After establishing the connection carry out a leak test See the section Leak test...

Page 8: ...burner valves must either be replaced or screwed in fully Numbers are printed on the nozzles indicating their diameter Further information about the gas types suitable for the appliance as well as the corresponding gas nozzles can be found in the section entitled Technical properties gas After the conversion After the appliance has been converted to a different gas type you must perform a leak tes...

Page 9: ...blished via a gas pipe or via a flexible safety gas hose with threaded connections at both ends Replace the gas connection pipe in the appliance with a natural gas adaptor First loosen the screw connection from the flexible safety gas hose if available or loosen the cable clamp and disconnect this from the appliance Figure 1 Remove the connecting piece held using a size 13 key from the appliance s...

Page 10: ...lade screwdriver no 2 through the drain holes ensure that you do not damage the cables and tighten the bypass nozzles as far as they will go For designs that do not have direct access to bypass nozzles optional To reach the bypass nozzles you must remove the hob See section Removing the hob After the hob has been removed remove the ignition group from the taps The bypass nozzles must then be tight...

Page 11: ...st carry out a leak test See the section Leak test Installing the hob Install in reverse order 1 Ensure that the cables are not damaged and the connections do not come loose Slowly insert the ignition group 2 Slowly place the hob onto the burners Attach the burner screws from the hob Caution In doing so ensure that ignition plug and thermal element seals do not fall under the hob 3 For versions wi...

Page 12: ...be checked using your finger or a suitable device 3 Spray the nozzle in the burner to be checked with a leakage spray 4 Push the control knob and turn it anti clockwise This supplies the nozzle with gas If small bubbles or foam form indicating a gas leak follow the instructions in the section entitled In the event of a gas leak Correct flame formation Burner The burning behaviour and soot formatio...

Page 13: ... Gas flow at 15 C and 1013 mbar g h 127 G20 G25 G30 Gas pressure mbar 20 25 29 Nozzle mm 1 15 1 28 0 85 Bypass nozzle mm 0 39 0 39 0 39 Input power max kW 3 3 3 Input power min kW 0 50 0 50 1 3 Gas flow at 15 C and 1013 mbar m h 0 286 0 333 Gas flow at 15 C and 1013 mbar g h 218 G20 G25 G30 Gas pressure mbar 20 25 29 Nozzle mm 1 03 1 04 0 68 Bypass nozzle mm 0 61 0 61 0 61 Input power max kW 3 3 3...

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