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3.7
CONVERTING THE APPLIANCE TO OTHER TYPES OF GAS
The gas conversion operation must be carried out by an authorised company (e.g. Authorised Technical Assistance Service).
If the appliance needs to be converted to a different gas type to that specified on the data plate, request the relative conversion kit for quick
and easy conversion.
To convert to another type of gas the following operations are required:
- Disconnect power to the appliance;
- Replace the nozzle positioned above the gas valve (Part. 8, Fig. 36) taking care to disconnect the appliance during this operation;
- Re-power the appliance;
- Calibrate fan speed (Par. 3.8);
- Adjust the correct air/gas ratio (Par. 3.9);
- Seal the gas flow rate regulation devices (if settings are modified);
- After completing the conversion, apply the sticker, contained in the conversion kit, on the data plate in the area relating to the type of
gas. Using an indelible marker pen, delete the data relative to the old type of gas.
These adjustments must be made with reference to the type of gas used, following that given in the table (Paragraph 4.2).
PX42 Gas Valve
P1
1
Gas Valve 848
P1
P3
2
1
Key (Fig. 40):
1
2
3
P3
12
2
+
12
3
40
Key (Fig. 41):
1
2
3
4
12
12
4
3
41
- Gas valve inlet pressure point
- Gas valve outlet pressure point
- Off/Set adjustment screw
- Outlet gas flow rate adjuster
- Gas valve inlet pressure point
- Gas valve outlet pressure point
- Off/Set adjustment screw
- Pressure regulator connection (PR)
- Outlet gas flow rate adjuster
69
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