Turning On And Off - Ferroli MODENA S HE Instructions For Use, Installation And Maintenance

MODENA S HE
Indication during boiler operation
Central Heating mode
The Central Heating heat demand (generated by the Room Thermostat or the Clock) is indicated by the flashing of the
Hot Air symbol over the radiator (part. 13 and 14 - fig. 1). The display indicates the actual Central Heating water tem-
perature (part. 11 - fig. 1) and during central heating off time the text "d2".

1.3 Turning ON and OFF

Without main power supply
fig. 3 - Boiler without main power supply
Ignition
Ensure the power is on to the appliance.
fig. 4 - Ignition
• 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.
EN
fig. 2
B
cod. 3541C364 - Rev. 00 - 12/2012
To avoid damage caused by freezing during
long shutdowns in winter, it is advisable to
drain all water from the system.
fig. 5 - Air purge
5