Ariston E-Combi 24 User Manual page 5

Initial operating procedures
Filling instructions
Check the water pressure on the pressure gauge regularly and make
sure that the fi gure is between 0.6 and1.5 bar when the system is
cold. If the pressure is just under the minimum value, re-establish the
correct pressure by using the fi lling loop.
If the pressure drops very frequently, there may be a water leak at
some point in the system. If this is the case a plumber should be
contacted
Ignition procedure
Press the ON/OFF button on the control panel to switch on the boiler.
The green LED 3 will illuminate indicating that the boiler is ready to
operate.
The electronic control unit will ignite the burner, without any manual
intervention but in response to the request for Domestic Hot Water
or Central Heating. If, after approximately 10 seconds, the burner has
not ignited, the boiler's safety devices will shut off the gas and the red
LED 8 illuminates. To reset the ignition system, the Reset button 10
must be pressed and released.
50°
40°
Should the boiler fail to ignite a second time, check that the external
gas cock is open. If the problem persists, contact an Authorised
Service Centre.
50°
40°
Winter or summer operating modes
In the "winter" operating mode, the boiler will produce both Central
Heating and Domestic Hot Water. In the "summer" operating mode,
the boiler will produce only Domestic Hot Water. Using the knob on
the control panel, the user can select "winter" or "summer" operating
mode. Keeping the knob 5 at the
operating mode. "Winter" operating mode may be selected by
positioning the knob 5 between the min. and max. settings.
60° 70°
80°
90°
on/off
I
O
60° 70°
80°
90°
on/off
I
O
position selects the "summer"
Adjusting the heating
It is possible to set the temperature of the heating water by adjusting
the knob 5. By positioning the indicator somewhere between
min. and max. A temperature may be obtained which varies from
approximately 40°C to approximately 82°C.
The water temperature in the primary circuit may be checked by
means of the green leds 1.
1
5
Domestic Hot Water temperature adjustment - E-COMBI
It is possible to set the temperature of the domestic hot water by
adjusting the knob 6. A temperature may be obtained which varies
from approximately 36°C to approximately 60°C.
60°
50°
40°
on/off
Switching off the heating
To switch off the heating mode turn
the button 5 to the position
boiler will now only produce Domestic
Hot Water.
Stand by
To switch off the boiler press the ON/OFF button 2. The green LED 3
will go off.
Switch off the boiler completely by switching the external electrical
switch to the OFF position.
40°
User Manual
60° 70°
50° 80°
40° 90°
on/off
70°
80°
90°
I
O
. The
60° 70°
50° 80°
90°
on/off
I
O
I
O
6
5