Adapting the hob for DifferentTypes of Gas
To adapt the hob to a different type of gas than that for which it was designed, (see the sticker under the hob or on the packaging), the burner nozzles must be changed, as follows:
•Remove the pan supports and slide the burners out of the cooktop.
•Unscrew the nozzles using a 7mm socket wrench and replace them with those for the new type of gas. (See table 1, “Burner and Nozzle Specifications”).
•Reassemble the parts following the instructions in reverse order.
•On completing the operation, replace the old rating label
with the one showing the new type of gas; the sticker is available from our Service Centre.
If the gas pressure is different than that prescribed, a pressure regulator must be installed at the source, in compliance with national standards governing the use of piped gas regulators.
Regulation of Air Supply to the Burner
The burners do not need a primary air regulator.
Minimum Regulation
•Turn the gas valve to minimum.
•Remove the knob and turn the regulator screw (positioned
either on the side of the top or inside the shaft) clockwise until the flame becomes small but regular.
N.B.: In the case of liquid gas, the regulation screw must be fully screwed in (clockwise).
•Make sure that, when the knob is turned rapidly from high to low, the flame does not go out.
•In the event of a malfunction on appliances with the
security device (thermocouple) when the gas supply is set at minimum, increase the minimum supply levels using the regulator screw.
Once the adjustment has been made, apply sealing wax, or a suitable substitute, to the old seals on the
Characteristic of the burners and nozzles
Table 1 |
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| Liquid Gas |
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| Natural Gas | |||
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Burner | Diameter | Thermal power | Nozzle |
| Flow* | Nozzle |
| Flow* | ||||
| (mm) | kW (p.c.s.*) | 1/100 | 1/100 |
| g/h | 1/100 |
| l/h | |||
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| Nomin. |
| Ridot. | (mm) | (mm) | *** |
| ** | (mm) |
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Fast (R) | 100 | 3,00 |
| 0,70 | 41 | 86 | 218 |
| 214 | 116 |
| 286 |
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Semi Fast (S) | 75 | 1,90 |
| 0,40 | 30 | 70 | 138 |
| 136 | 106 |
| 181 |
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Auxiliary (A) | 55 | 1,00 |
| 0,40 | 30 | 50 | 73 |
| 71 | 79 |
| 95 |
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Triple Crown (TC) | 100 | 2,50 |
| 0,80 | 48 | 83 | 182 |
| 179 | 124 |
| 238 |
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Supply | Nominal (mbar) |
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| 37 |
| 20 | |||||
Minimum (mbar) |
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| 20 |
| 25 |
| 17 | |||||
Pressures |
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Maximum (mbar) |
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| 35 |
| 45 |
| 25 | |||||
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*At 15°C and 1013
**Propane P.C.S. = 50.37 MJ/kg.
***Butane P.C.S. = 49.47 MJ/kg. Natural P.C.S. = 37.78 MJ/m3
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