Ferroli OPERA 70 Instructions D'utilisation, D'installation Et D'entretien page 146

To program the following day in the same way, select "Copy to next day" and press OK to confirm (fig. 25).
To restore the time program to the factory
A
values, press contextual button 3 in the
Time Program menu (fig. 26) and confirm
with OK.
The two Heating and DHW hourly programs are independent even in case of Reset to factory value.
A
Legionella programming (with optional hot water tank installed)
To enable the Anti-Legionella Function it is necessary to set parameter P23, within the "TECHNICAL MENU", to ON.
To program the function it is necessary to access the "Legionella" menu via the path "USER MENU"
HOT WATER" "Legionella".
In this menu it is possible to set the following options:
• Anti-Legionella day. Defines the day of the week during which the function will be activated. The function can only
be activated once a week.
• Anti-Legionella time of day. Defines the start time of the function.
• Anti-Legionella duration. Defines the duration (in minutes) of the function.
• Anti-Legionella Adjustment Temp. Defines the DHW Adjustment temperature during the function.
B
ATTENTION
• In ECO mode the function is not active.
• The Anti-Legionella Function will only be active if the boiler is set to "Automa-
tic" mode" (
perature" (
Otherwise, in the time bands set to OFF, the function will not be activated, even
if set.
• In vacation mode (
• If the Anti-Legionella Func-
tion is not carried out correct-
ly, the message shown in
fig. 27 is displayed. Even in the
presence of this message, the
boiler will continue to operate
correctly.
The temperature set via the "Anti-Legionella Adjustment Temp." menu must NOT be higher than the maxi-
A
mum DHW adjustment temperature set via parameter P19 within the TECHNICAL MENU.
If a circulating pump is installed in the system, for water circulation during the Anti-Legionella Function, pa-
A
rameter b08 must be set to 1. In this way the contact between terminals 9-10 (ref. 300 - fig. 92, fig. 93 and
fig. 94) closes when the function is activated.
146
) and only in the time bands set to ON or to "Reduced tem-
).
) the Anti-Legionella Function is active.
cod. 3541R964 - Rev. 01 - 02/2022
Scheduler Set
Monday
Tuesday
Wednesdey
Thursday
Friday
Saturday
Sunday
Monday-Sunday
to confirm
fig. 26
Tempo durata
antilegionella
troppo corto!
per Accettare
fig. 27- Message Anti-legionella function not completed
OPERA
3
"DOMESTIC
EN