Ferroli OMNIA HYBRID C, Installation, Maintenance And User Manual

Page: 96 / 116

96
EN
Cod. 3541T090 - Rev. 00 - 06/2019
MAINTENANCE
Boiler - Replacing the circuit board
fig. 190 -
• Disconnect the power supply and turn off the gas cock ahead of the valve.
• After rotating the panel, lift the cover by operating on the tabs “2”.
• Remove all the electrical connectors
• Raise the board by operating on the side tabs “4”.
• Insert the new board and reconnect the electrical connections.
To update the circuit board data, use the “KEY” device, following the instructions attached to the kit.
Replacing the electrode and maintenance
• Disconnect the power supply and turn off the gas cock ahead of the valve.
• Electrically disconnect the electrode and remove it by undoing the screws “1”.
• Remove the exchanger cover and remove the burner (see fig. 188).
• Clean the electrode (see fig. 188).
• Refit the clean or new electrode and secure it, interposing the gasket “2”.
• After fastening, carefully check the distance between the electrodes (see fig.
188).
• Refit and secure the burner (see fig. 188)
• Refit and secure the burner cover (see fig. 188)
fig. 191 -
Removing the diverter valve
A
Before carrying out the following instructions it is advisable to pro-
tect the room and the boiler’s electrical box against accidental water spil-
lage.
• Disconnect the power supply and turn off the gas cock ahead of the valve.
• Remove the diverter valve connector.
• Remove the clip “1” and remove the diverter valve “2”.
fig. 192 -
Replacing the water pressure switch