Service And Maintenance; Adjustments - Ferroli MODENA 27 C HE Instructions For Use, Installation And Maintenance

3. Service and maintenance

All adjustment, conversion, startup and maintenance operations described below must only be carried out by Qualified Per-
sonnel (meeting the professional technical requirements prescribed by current regulations).
FERROLI declines any liability for damage and/or injury caused by unqualified and unauthorised persons tampering with
the unit.

3.1 Adjustments

Gas supply conversion
The unit can operate 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 dataplate. If a gas different from that for which the unit is arranged has to be used, a conversion
kit will be required, proceeding as follows (fig. 27):
1. Remove the front panel.
2. Turn the control panel.
3. Unscrew the nut "C" and remove gas pipe "A" from the gas valve.
injector
4. Replace
5. Reassemble gas pipe "A" and check the seal of the connection.
6. Apply the label, contained in the conversion kit, near the dataplate.
7. Refit the front panel.
8. Adjust the parameter for the type of gas:
• put the boiler in standby mode
• press the DHW buttons details 1 and 2 - fig. 1 for 10 seconds: the display shows "b01" flashing.
• press the DHW buttons fig. 1 details 1 and 2 - to set parameter 00 (for use with natural gas) or 01 (for use withLPG ).
• press the DHW buttons details 1 and 2 - fig. 1 for 10 seconds.
• the boiler will return to standby mode
9. Check the working pressure
10. Using a combustion analyser insert probe into the flue test point, check that the CO
boiler operating at max. and min. power, matches that given in the technical data table for the corresponding type
of gas.
20
"B", inserted in the gas pipe, with that contained in the conversion kit.
fig. 27 - Changing the gas injector
cod. 3541D054 - Rev. 00 - 11/2013
MODENA C HE
content in the fumes, with the
2
A
C
B
gasket
EN