Holiday Function - Ferroli MACH Instrucciones De Uso

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.
ATTENTION
B
• 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. 28 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. 99) closes when
the function is activated.

Holiday Function

Access the "HOLIDAY FUNCTION" menu through the path "USER MENU
• Holiday start date.
• Holiday end date.
The display can activate two types of icons:
• - The Holiday function is programmed but not yet active.
• - The Holiday function is in progress. The boiler will behave as if Summer mode and Economy mode were active
(with optional hot water tank installed).
The frost protection and Legionella functions will remain active (if activated).
Service Intervention Date
This informs when the alert of programmed maintenance by the technician will be activated. It does not represent an
alarm or a fault but just a notice. After that date, whenever the Main menu is accessed, the boiler will activate a screen
indicating that programmed maintenance is due.
304
) and only in the time bands set to ON or to "Reduced tem-
).
) the Anti-Legionella Function is active.
cod. 3541V120 - Rev 00 - 09/2021
Antilegionella
duration
is too short!
to Accept
fig. 28- Message Anti-legionella function not completed
"HOLIDAY FUNCTION" to set:
MACH
"DOMESTIC
EN