Instructions for the installer
5.3Regulation for natural gas
The hob has been inspected for G25 (2L3B/P) at a pressure of 25 mbar. To allow the unit to work with this type of gas, perform the same operations described in paragraph “5.2 Regulation for LPG”, but choose the nozzles and regulate the primary air for natural gas, as shown in the following table and in paragraph “5.4 Regulation of primary air”. After the regulations have been carried out, restore the seals with sealing wax or equivalent material.
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| Rated |
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Burner |
| heating |
| Natural gas – G25 25 mbar | |
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| capacity |
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| Nozzle diameter | Reduced flowrate |
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| 1/100 mm | (W) |
Auxiliary |
|
| 1.05 | |
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| |
Semirapid | 1.65 | |||
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Rapid |
| 2.7 | ||
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| |
Rapid large | 3.1 | |||
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| |
Ultra rapid | 3.3 | |||
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Double |
| Internal |
| 0.8 |
crown |
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| External | 3.3 | ||
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Fish pan |
| 2.15 | ||
76380
98380
123650
130750
1351200
67380
1351200
110750
5.4Regulation of primary air
Referred to distance “X” in mm.
| Burner |
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| G25 |
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| G30/G31 | ||
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| 25 mbar |
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| 28/37 mbar | |||
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Auxiliary |
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| 1.0 |
|
| 1.0 | ||||
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| Semirapid |
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| 1.0 |
|
| 1.5 | ||
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Rapid |
|
| 0.5 |
|
| 1.5 | ||||
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Rapid large |
| 1.5 |
|
| 10.0 | |||||
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Ultra rapid |
|
| 1.5 |
|
| 2.5 | ||||
Double |
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| ||
| Internal | 4.0 |
|
| 1.0 | |||||
crown |
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| |
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| External |
|
| 0.5 |
|
| 8.0 | ||
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(6) |
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Double |
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Internal | 1.0 |
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| 1.5 | ||||||
crown |
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| |||
External |
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| 1.0 |
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| 4.0 | ||||
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(9) |
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Fish pan |
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| 1.5 |
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| 2.5 | ||||
| (*) For burner reference numbers, see page 33. |
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31