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Connection with a stable pipework
The hob comes with a G ½" threaded coupling. The connection to gas supply must be done in a manner that excludes
stresses in any point of the pipework or parts of the appliance. Make sure you do not exceed the torque when making the
connection (maximum torque is 20 Nm). Otherwise, the connection may be faulty or leaks may occur.
The gas hose should not touch metal elements of the hob back shield.
Important! Each time you replace a reducer, carry out technical inspection of the hob that covers gas valves and
proper operation of the flame failure cut-off device.
Caution! On completion of the hob installation, the tightness of all connections should be checked, e.g. applying
water with soap. Do not use fire to check tightness.
ELECTRICAL CONNECTION
• Check that the voltage in your home corresponds with the voltage printed on the bottom of the appliance.
• The earthing of the appliance is compulsory by law.
• Attention: the connection point must always be accessible.
ADAPTING THE HOB TO ANOTHER TYPE OF GAS
This operation may only be carried out by an appropriately authorised fitter.
If the gas the hob is to be supplied with differs from the gas provided for the hob by the manufacturer, that is G25/ 25.3 / 25
mbar, burner nozzles must be exchanged and the flame needs to be adjusted.
In order to adapt the hob to burn a different type of gas, you should:
• exchange the nozzles (see the gas tables below);
• adjust the "economical" flame.
Caution! The hobs provided by the manufacturer have burners which are factory-adapted to use the gas specified on their
rating labels.
Gas table
G25/ 25.3-25 mbar*
Injector
Injector mark
diameter
1
0.72 mm
2
0.97 mm
3
1.15 mm
Burner flame
1. Exchange a burner nozzle for the appropriate type
Full
according to the gas table.
2. Unscrew an adjusting bolt slightly and adjust the flame
Economical
size.
In order to perfom adjusting operations, take off the knobs.
Surface burners applied do not require adjustment of primary air. A correct flame has distinct internal cones of blue and
green colour.
A short, humming flame or long, yellow and smoking one, without clearly outlined cones, shows improper quality of gas in
the household piping or a damaged or soiled burner. In order to check a flame, heat a burner for around 10 minutes with a full
flame, and next turn the valve knob to the economical flame position. The flame should not go out or jump onto the nozzles.
* The rating label on the product indicates for which type of gas your appliance is suitable. Check with the service
organisation of Inventum if you want to adjust the appliance for different types of gas. Find the method in the manual of
the conversion kit.
G25/25.3 mbar*
(kW)
1
0,95
2
1,70
3
2,90
20
•
English
G20/20 mbar
Injector
Injector mark
diameter
72
0.72 mm
97
0.97 mm
115
1.15 mm
Re-arming from liquid gas to natural gas
1 Simmer burner
2 Semi-rapid burner
3 Rapid burner
G30/30 mbar
Injector
Injector mark
diameter
72
0.50 mm
97
0.65 mm
115
0.85 mm
1. Exchange a burner nozzle for the appropriate type
according to the gas table.
2. Screw in an adjusting bolt slightly and check the flame
size.
SABAF burners
50
1 Simmer burner 0.95 kW
65
2 Semi-rapid burners 1.70 kW
85
1 Rapid burner
Re-arming from natural gas to liquid gas
2.90 kW
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