8 Operation
Combi 2 51
8.2
Start-up
Fig.60 Scrolling through the menus and/or
settings
8.2.1
Procedure for first start-up
The following information appears on the display when the boiler is
electrically powered:
1. The message "INIT"" appears, indicating that the "Initialisation"
phase is active (a few seconds);
2. The software version "Vxx.xx." appears (two seconds);
3. The software version for boiler settings "Pxx.xx." appears
(two seconds);
4. The boiler and heating installation venting phase has started. During
operation, the display shows in alternate mode "– – – – – – – –", the
word “DEAIR” and the pressure value for the heating circuit. This
phase lasts 6 minutes and 20 seconds, at the end the boiler is ready
for operation;
5. The
symbol and the "x.x" installation water pressure
value appear.
In the event of a power outage the procedure will be repeated from the
beginning.
To activate a heating request, the room thermostat must be set to a
temperature above the current temperature (or open a domestic water
tap.)
8.2.2
Changing the heating flow temperature
1. Use the knob to adjust the flow temperature in heating mode.
Turn the knob anti-clockwise to reduce the temperature value. Turn
the knob clockwise to increase the temperature value.
Important
With an outside sensor connected it is possible to lower the
setpoint value.
value is automatically saved.
Important
The flow temperature is matched automatically when using a:
Weather-dependent regulator.
OpenTherm regulator.
Fig.61 Scrolling through the menus and/or
settings
8.2.3
Changing the domestic hot water (DHW) temperature
1. Use the knob to adjust the domestic hot water temperature.
Turn the knob anti-clockwise to reduce the temperature value.
Turn the knob clockwise to increase the temperature value.
value is automatically saved.
2. Press the key to confirm the value or wait a few seconds until the
2. Press the key to confirm the value or wait a few seconds until the
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