77EN
cod. 3540000272 - Rev. 01 - 01/2024
• Press the “OFF/Summer/Winter” and “Heating +” buttons for 5 seconds to exit the complete
manual calibration mode and save the settings. Modifying the parameters for adjusting the CO
2
in complete manual calibration mode takes not more than about 8 minutes.
TEST mode activation
Do a heating or DHW request.
Press the heating buttons (details 3 and 4 - fig. 1) for 5 seconds to activate TEST mode. After ig-
nition, the boiler adjusts to maximum heating power (parameter P41 defines the maximum heating
power and changes according to the selected boiler model).
The Heating and DHW symbols (fig. 30) flash on the display and the set power will appear.
fig. 30- TEST mode (heating power = 100%)
Press the heating buttons (details 3 and 4 - fig. 1) to increase or decrease the power (Mini-
mum=0%, Maximum=100%).
By pressing the DHW “-” button (detail 1 - fig. 1), boiler output is immediately adjusted to mini-
mum (0%).
Wait about 1 minute for stabilisation.
By pressing the DHW “+” button (detail 2 - fig. 1), boiler output is immediately adjusted to maxi-
mum (100%).
If the TEST mode is activated and enough hot water is drawn to activate the DHW mode, the boiler
remains in TEST mode but the 3-way valve goes to DHW.
To deactivate the TEST mode, press the heating buttons simultaneously (details 3 and 4 - fig. 1)
for 5 seconds.
The TEST mode is automatically disabled in any case after 15 minutes or on stopping of hot water
drawing (if enough hot water is drawn to activate DHW mode).
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