Green Heating Technology
15
f
press the buttons
and
to set the number of inactivity days (don't include the current
day);
f
press the button
for at least 3 second to save the setting. From now the Holiday function is ON
and will expire at 23:59:59 of the last day.
Note: afterwards, it is possible to set the boiler in modes different from OFF,
but the Holiday function
will operate only if the boiler is set to OFF
.
SPA function
Note: if the optional Remote Control is installed, this function can only be managed by it.
This function is useful, in example, when a bath tub has to be filled. It forces the DHW temperature to
the maximum for
60
minutes, then the function deactivates automatically.
f
With the boiler in winter or summer mode (no OFF mode), press the button
for at least 5
seconds;
f
on the central, lower side of the display, the indication "SPA" appears, and the digits below the
symbol
blink;
f
to deactivate the function before, press one of the buttons
or
.
Incidental malfunctioning
Avoid performing personally any intervention that are job of the technician, for example the
ones on the electrical circuits, on hydraulic system or on the gas system, and whatever other
operation that's not mentioned in this "User Guide" section and expressly allowed to the User.
Always address yourselves to qualified personnel.
Boilers must be always equipped with original accessories only .
ITALTHERM Srl is not responsible for damages caused by the incorrect, wrong or unreasonable
use of not original materials .
The burner doesn’t turn on
f
if the room thermostat (or programmable room thermostat, or similar) is installed, check that it is
really requiring the room heating;
f
Be sure the boiler is set on winter
+
or summer
mode (not in
OFF
). The reference symbols
must be shown on the display (see "Multi-function display" on page 8);
f
In case the display shows
or
, or in case the boiler seems to be working in an
inappropriate way, see "Alarms - boiler block" on page 44;
f
check the CH pressure is correct (1÷1.5 Bar
in a cold state
) or anyway
not lower than 0 .5 Bar
;
Shortage of domestic hot water production
f
check the DHW temperature is not set on a too low value: if so, adjust it (see "Temperature adjust
-
ment" on page 10);
f
call a qualified technician to check gas valve regulation;
f
call a qualified technician to check, and eventually clean, the coil of the DHW storage.
Remark: where the water hardness value is too high, it is suggested the installation of a soften
-
ing device, in order to prevent the limestone precipitation; this operation avoids a frequent
cleaning of the coil of the DHW storage.
