MODENA S HE
5
EN
cod. 3541C360 - 04/2012 (Rev. 00)
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
”.
fig. 2
1.3 Turning ON and OFF
Without main power supply
fig. 3 - Boiler without main power supply
B
To avoid damage caused by freezing during
long shutdowns in winter, it is advisable to
drain all water from the system.
Ignition
Ensure the power is on to the appliance.
fig. 4 - Ignition
fig. 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.
