smoke ducts, flue, washers).
– Control the quality of the fuel.
Frequent intervention of the boiler
shutoff valve
– Control the presence of air in the
system, the function of the circu-
lation pumps.
– Check the load pressure of the
appliance, the efficiency of the
expansion tanks and the valve
calibration.
3.4
ANTIFREEZE
PROTECTION
In freezing weather, make sure that
the heating system continues to fun-
ction and that the rooms are kept
warm enough, including the room in
which the boiler is installed; if this
cannot be done, both the boiler and
the heating system must be comple-
tely emptied.
Completely emptying the system
also means emptying the hot water
tank and the hot water heating coil.
3.5
USER WARNINGS
It is mandatory that the dedicated
power cable is replaced only with a
spare cable ordered and connected
by professionally qualified personnel.
ATTENTION: Before performing any
work on the boiler, make sure that
the same and its components have
cooled in order to prevent the risk
of burns due to high temperatures.
3.6
DISPOSAL
OF
EQUIPMENT (2012/19/UE)
Once it reaches the end
of its operating life, the
equipment
MUST
RECYCLED in line with
current legislation.
IT MUST NOT be disposed
of together with urban waste.
It can be handed over to recycling cen-
tres, if there are any, or to retailers
that offer this service.
Recycling prevents potential damage
to the environment and health. It al-
lows to recover a number of recyclable
materials, with considerable savings
in terms of money and energy.
3.7
D.H.W. PUMP (fig. 10)
Press the button (4) briefly (about 1
second) to select the pump operating
mode. The relative LEDs will indicate
each time the adjustment mode (2)
and the characteristic curves set (3).
Point 3.7.4 reports the possible com-
binations and their meaning.
When the LED (1) signals a fault, the
pump stops and attempts to run re-
start cycles. If the fault is solved, the
pump restarts automatically.
3.7.1 Venting the pump
THE
The pump venting function is acti-
vated by pressing the button (4) for a
long time (3 seconds) and vents au-
tomatically.
BE
3.7.2 Factory settings
The factory setting is activated by
pressing and holding the button (4)
and disabling the pump. When the
pump is restarted, it will work with
factory settings (delivery state).
3.7.3 Manual restart
When a lockout is detected, the
pump tries to start automatically. If
the pump does not restart, restart
manually by pressing the button (4)
for a long time (5 seconds), then re-
lease it. The restart function is acti-
vated for a maximum of 10 minutes.
After the restart, the LED indication
shows the previously set values.
If the fault persists, replace the
pump.
1
2
3
4
Fig. 10
39