9. GAS CONVERSION
The boilers can operate both on natural gas (G20) and LPG (G31). All gas conversions must be made by the AUTHORISED
TECHNICAL SERVICE CENTRE.
10. PROLONGED SHUTDOWN. ANTI-FREEZE PROTECTION
The function is operative if: the boiler is electrically powered, there is gas, system pressure is normal and the boiler is not
blocked.
11. ROUTINE MAINTENANCE INSTRUCTIONS
Careful servicing ensures economical operation of the system.
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