Ariston HS C 24 FF NG Manuel de l'utilisateur - Page 12
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USER'S MANUAL
Initial operating procedures
If the boiler is installed inside the apartment, make sure that
all provisions relating to the air inlet and room ventilation (in
compliance with current legislation) are respected.
Check the water pressure on the pressure gauge and make
sure that the figure is between 0.6 and1.5 bar when the system
is cold. If the pressure is just under the minimum value the
display will request a filling procedure - see note below.
FILLING PROCEDURE
TO RESTORE THE CORRECT
PRESSURE OPEN THE FILLING VALVE
(POSITIONED IN THE BOTTOM OF THE
BOILER) AND PRESS THE BUTTON 1 FOR 5
SECONDS. THE DISPLAY SHOWS "P".
WHEN THE PRESSURE GAUGE INDICATES
A PRESSURE BETWEEN 0.6 AND 1.5 BAR,
CLOSE THE FILLING VALVE AND PRESS THE
BUTTON 1.
THE DISPLAY RETURNS TO NORMAL VIEW.
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 1 on the control panel to switch on the
boiler. The display shows:
● the operating mode
● the figures indicate:
- the set temperature in central heating mode
- the set temperature of the hot water in domestic hot
water
Operating mode selection
Use the button 1 to select the desired operating mode.
Operating mode
Winter
heating + hot water production for domestic use
with set temperature
Summer
only hot water production for domestic use with
set temperature
The ignition of the burner will be signalled by the symbol
/
12
Adjusting the heating
It is possible to set the temperature of the heating water by
pressing the buttons 4 +/-.
The temperature that may be obtained which varies 35°C to
82°C. The value set previously will flash on the display.
Domestic hot water temperature adjustement
It is possible to set the temperature of the domestic hot water
by pressing the buttons 2 a temperature may be obtained
which varies from 36°C to 60°C.
The value set previously will flash on the display.
Switching off the heating
To switch off the heating, press the button 1; the heating
operation symbol
The boiler remains active only for the production of domestic
hot water, indicating the set temperature.
Display
.
will disappear from the display.