Ferroli MACH Instrucciones De Uso página 329

MACH
6. Remove the "Venturi Group" from the fan by undo-
ing the two screws "F" (fig. 67).
fig. 67
7. Remove the Venturi "V" by undoing the 3 screws
(see fig. 68).
Replace the gas nozzle "C", positioning it inside
the gasket "D", with that contained in the conver-
sion kit (see fig. 68). Reassemble the "Venturi
Group" and secure it to the fan (see fig. 68 and
fig. 67).
C
fig. 68
EN
F
D
V
cod. 3541V120 - Rev 00 - 09/2021
8. In case of conversion to LPG, it is necessary to
insert the nozzle "M" between the cock "B" and
the gas manifold (fig. 69). .
Reassemble the cock "B" on the gas manifold.
ATTENTION: The nozzle "M" (see fig. 69) must
not be inserted with the unit running on Natural
Gas.
ATTENTION: The chamfer of the diaphragm must
face the gas manifold.
M
B
fig. 69- Nozzle for use with LPG
9. Reassemble all the components and check the
seals.
10. Repeat the operations from point 3 to point 9 for
each module.
11. Modify the parameter for the type of gas as descri-
bed below.
Reach the screen shown in fig. 70, navigating in
the menu and following the path "USER MENU
Maintenance Test Mode
tion". Press contextual buttons 1 and 2 to select
the type of gas. Confirm with the OK button.
Gas Type
NAT
LPG
TECNICO
to confirm
fig. 70 - Gas type selection
12. Apply the label, contained in the conversion kit,
near the data plate.
Gas Type Selec-
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