Instructions for the Installer
5.4Adjusting the primary air flow
Refers to the gap “X” in mm.
| BURNER |
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| NG – 1.0 kPa | ULPG – 2.75kPa | |
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| Auxiliary |
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| 4.0 | 10.0 | |
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| Semi rapid |
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| 4.0 | 10.0 | |
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| Rapid (3) |
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| 4.0 | 10.0 | |
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| Rapid (6) |
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| 4.0 | 10.0 | |
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| Rapid (7) |
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| 4.0 | 10.0 | |
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| WOK double flame |
| Internal |
| 5.0 | 8.0 |
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| External |
| 10.0 | 13.0 | |
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| WOK |
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| 5.0 | 12.0 | |
5.5Reassembling the hob skin
Reverse the procedure described in point “5.1 Removing the hob skin ”.
When replacing the burner rings, bear in mind that they must be fully tightened using the spanner provided.
Put the pan stands back in place, fitting first those at the side and then the central one.
5.6Adjusting the minimum setting for natural gas and town gas
Reassemble the components on the burner and fit the knobs onto the tap rods.
Light the burner and turn it to the minimum 
setting . Remove the knob again and adjust the regulator screw inside or beside the tap rod (depending on the model) until an even minimum flame is obtained.
Put the knob back in place and check the stability of the burner flame (the flame must not go out when the knob is turned quickly from the maximum to the minimum setting).
5.7Adjusting the minimum for bottled gas
To adjust the minimum level when using bottled gas, the adjuster screw inside or beside the tap rod must be turned fully clockwise (depending on the models).
The diameters of the bypasses for each individual burner are stated in point “5.2 Adjusting for bottled gas".
After adjusting for use of a gas other than the gas used for testing the appliance, replace the label on the casing with the label for the new gas. The label is available from your nearest Authorised Service Centre.
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