Ferroli OPERA 70 Instructions D'utilisation, D'installation Et D'entretien page 172

3. Service and maintenance
All adjustment, conversion, commissioning and maintenance operations described below must only be carried out by Qua-
lified Personnel (meeting the professional technical requirements of current regulations) such as the personnel of the Local
After-Sales Technical Service.
FERROLI declines any liability for damage and/or injury caused by unqualified and unauthorized persons tampering with
the unit.
3.1 Adjustments
Gas conversion
The unit can run on natural gas or LPG and is factory-set for use with one of these two gases, as clearly shown on the
packing and on the data plate. Whenever a different gas to that for which the unit is set has to be used, the special
conversion kit will be required, proceeding as follows:
1. Disconnect the power supply to the boiler.
2. Remove the panels.
3. Detach the electrical connections from the gas valve controller.
4. Undo the fastening screws "E" and remove the gas valve.
5. Replace the gas nozzle "F", positioning it inside the gasket "G". with that contained in the conversion kit. Refit the
parts and check tightness.
E
fig. 59- Model OPERA 70
fig. 60- Model OPERA 125 and OPERA 160
172
G
F
F E
G
cod. 3541R964 - Rev. 01 - 02/2022
OPERA
E
F
G
fig. 61- Model OPERA 220
E
F
G
fig. 62- Model OPERA 320
EN