This Part of this European Standard specifies requirements for firing systems for oil and gaseous fuels applicable to shell boilers, as defined in EN 12953-1, irrespective of the degree of supervision. For multifuel firing systems using separate or combined burners, these requirements apply to the oil and/or gas firing part involved.
This Part of this European Standard specifies the improved safety measures required when several fuels are burnt simultaneously.
ISBN 0 580 39847 1
EN 12953-7:2002