44
8.16 EMBEDDED CLOCK
The appliance incorporates an embedded clock that can be
enabled and used to insert ON/OFF times for the heating.
NOTES
• It is necessary to insert the correct day and time before
enabling/setting the embedded clock
• It is necessary enter parameter P4.21 in order to enable or
disable the embedded clock (factory default is disabled).
• It is necessary to enter parameter P4.22 in order to enable
or disable mode selection (factory default is disabled).
• Use pass-code ‘18’ in order to access the above parameters
8.17 CLOCK FUNCTIONALITY
The embedded clock has the following functionality:
• Up to 4 different ON/OFF periods (time bands) can be pro-
grammed independently for each day
• Weekdays (Mon-Fri) can be grouped
• Weekend (Sat & Sun) can be grouped
• Manual OFF (heating programme is suspended and boiler
operates only for hot water
• Manual ON (heating programme is suspended and boiler
operates continuously for heating)*
• AUTO (boiler operates heating according to the set sche-
dule)*.
* a room thermostat – if fitted – will over-ride the operation of
the heating
8.18 PROGRAMMING THE EMBEDDED
CLOCK
To access the programming timing menu press the keys
B+D
for at least 2 sec.
RESET
+
MENU
+
B
D
The display appears as in the following figure:
Using the
,
arrows select the day or the pre-selected
group of days:
1-2-3-4-5-6-7 programming of the individual days
1-5 programming from Monday to Friday
6-7 programming from Saturday to Sunday
1-7 programming the whole week
With the
key you confirm the selection made and you pass
to the programming of the time bands. With the
Enter
key
you exit the programming timing menu and you confirm the
changes made.
With the key you exit without saving the selections.
Setting the time bands
The display shows TIME ON, press to set the ignition time,
with
,
change the time and confirm with
.
The display shows TIME OFF, press to set the switching
OFF time, with
,
change the time and confirm with
.
Time ON is displayed again, then the programming of the time
bands is resumed up to the maximum of the programmable
bands (four), or else
Enter
is pressed to confirm the bands set
and you move on to the programming of the next day.
For each day of the week it is possible to program up to a
maximum of 4 bads, each characterized by a start time and
an end time.
Outside these time bands, heat requests from the room
thermostat are ignored.
The central heating time bands enabled by default are:
07:30 ÷ 08:30/12:00 ÷ 13:30/18:00 ÷ 22:30 from MON to FRI
08:00 ÷ 22:30 from SAT to SUN.
When heating programming time is enabled, pressing the
C +
D
keys allows you to switch from AUTO time programming to
MAN ON or MAN OFF.
C
RESET
+
MENU
+
D
