Ferroli OMNIA HYBRID C, Installation, Maintenance And User Manual

Page: 65 / 116

65
EN
Cod. 3541T090 - Rev. 00 - 06/2019
BOILER CONTROLLER - USER MENU
9.2 Connection to the power supply, switching on and off
Boiler not electrically powered
To avoid damage caused by freezing during long idle
periods in winter, it is advisable to drain all the water from the
boiler.
fig. 154 - Boiler not electrically powered
Boiler electrically powered
Switch on the power to the boiler.
fig. 155 - Switching on / Software version fig. 156 - Vent with fan on
fig. 157 - Vent with fan off
During the first 5 seconds the display shows the card software version (fig. 155).
For the following 20 seconds the display will show FH which identifies the heating system air venting cycle with the fan running (fig. 156).
In the next 280 seconds, the venting cycle continues with the fan off (fig. 157).
Open the gas valve ahead of the boiler
When the message Fh disappears, the boiler is ready to operate automatically whenever domestic hot water is drawn or in case of a room thermostat demand
Turning the boiler off and on
To switch modes, press the winter/summer/off button, for about 1 second, in the order indicated in fig. 158.
A = Winter Mode
B = Summer Mode
C = Off Mode
To turn the boiler off, press the winter/summer/off button (detail 7 - fig. 151) repeatedly until the display shows dashes.
Spegnimento e accensione caldaia
È possibile passare da una modalità all’altra premendo il tasto inverno/estate/off , per circa un secondo, seguendo la successione riportata in fig. 158.
A = Modalità Inverno
B = Modalità Estate
C = Modalità Off
Per spegnere la caldaia, premere ripetutamente il tasto inverno/estate/off (part. 7 - fig. 151) fino a visualizzare i trattini sul display.
fig. 158 - Turning the boiler off
When the boiler is turned off, the circuit board is still powered. Domestic hot water
and heating are disabled. The frost protection system remains activated. To relight
the boiler, press the winter/summer/off button (detail 7 - fig. 151) twice.
fig. 159 -
The boiler will be immediately ready in Winter and DHW mode.
The frost protection system does not work when the power and/or gas to the unit are turned off. To avoid damage
caused by freezing during long shutdowns in winter, it is advisable to drain all water from the boiler, the DHW circuit and the
heating system water; or drain just the DHW circuit and add a suitable antifreeze to the heating system, as prescribed “6.12
Indoor unit hydraulic connections” on page 20.
NOTE - If the sun symbol does not appear on the display but the multifunction numbers are present, the boiler is in“Winter” mode.