Service And Maintenance; Adjustments; Gas Conversion - Ferroli MACH Instrucciones De Uso

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:
DISCONNECT THE POWER and GAS to the boiler.
B
1. Remove the panels (see fig. 86).
2. Undo the screw "E" and remove the control unit
from the gas valve (fig. 63).
3. Remove the compensation tube "N" and loosen
the screw "H" (see fig. 64).
328
E
fig. 63
fig. 64
cod. 3541V120 - Rev 00 - 09/2021
4. Rotate and remove the silencer "L" (see fig. 65).
fig. 65
5. Loosen the swivels and disconnect the gas pipe
"A" together with the cock "B" (fig. 66).
fig. 66
MACH
L
B
A
EN