AABBCC CODE ICON SYMBOL FILE NAME EQUIPMENT TYPE 1C3P03 Boiler.sym Boiler 1C3N03 Heater 1.sym Heater Type 1 1C3N05 Heater 2.sym Heater Type 2 1C3L01 Plate Preheater.sym Plate preheater 1C3L05 Rotary Preheater.sym Rotary preheater