Modena HE 18s, 25s & 32s - Ferroli

MODENA S HEIndication during boiler operationCentral Heating modeThe Central Heating heat demand (generated by the Room Thermostat or the Clock) is indicated by the flashing of theHot Air symbol over the radiator (part. 13 and 14 - fig. 1). The display indicates the actual Central Heating water temperature(part. 11 - fig. 1) and during central heating off time the text “d2”.fig. 21.3 Turning ON and OFFWithout main power supplyBToavoid damage caused by freezing duringlong shutdowns in winter, it is advisable todrain all water from the system.fig. 3 - Boiler without main power supplyIgnitionEnsure the power is on to the appliance.fig. 4 - Ignitionfig. 5 - Air purge• For the firsts 300 seconds, the display shows FH that identifies the Air purge function.• During the first 5 seconds, the display shows the software version of the pcb.• Open the gas cock on the boiler and purge the air from the pipework upstream of the gas valve.• When the FH disappears, the boiler is ready to function automatically whenever the external controls are calling for heat.ENcod. 3541C364 - Rev. 00 - 12/20125