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ECO EVO Function
The "ECO EVO" function is a software program that automatically "learns" user consumption levels, redu-
cing heat loss to a minimum and maximising energy savings. The "ECO EVO'' software consists of an initial
saving period of a week, when the product begins to operate at the temperature set. At the end of this "le-
arning" week, the software adjusts water heating according to the user's real needs which are automatically
identified by the appliance. The product guarantees a minimum reserve of hot water even during periods in
which water is not withdrawn.
The hot water demand learning process, continues even after the first week. The process achieves maxi-
mum efficiency after four weeks of learning.
Activate the function by pressing the corresponding button, which will light up. In this mode, the manual
selection of the temperature is possible, however changing it disables the "ECO EVO" function.
Reactivate it by pressing the "ECO" button.
Whenever the "ECO EVO" function or the product is turned off and on again, the function will continue to le-
arn the levels of consumption. In order to guarantee proper operation of the program, it is recommended not
to disconnect the appliance from the mains. An internal memory ensures data storage for up to four hours wi-
thout electricity, after which all acquired data is cancelled and the learning process will begin from the start.
Each time the knob is rotated to set the temperature, the "ECO EVO" function is automatically disabled and
the relative writing turns off. The product continues to operate with the program selected, the ECO function
is not active.
To voluntarily cancel the acquired data, hold down the "ECO" button for more than 5 seconds. When the reset
process is completed, "ECO" flashes quickly to confirm data cancellation
"Shower Ready" Display
The product is equipped with an intelligent function to minimise water heating time. Regardless of the tem-
perature set by the user, the icon "shower ready"
will turn on as soon as there is enough hot water for at
least one shower (40 litres of mixed hot water at 40 °C). Upon reaching sufficient hot water for a second
shower a second "shower ready"
icon will light up and so on (the maximum number of showers depends
on the ability of the model purchased).
Reset/Diagnostics
When any of the operation problems occur, the appliance goes into "fault status" and the corresponding error
code flashes on the display (for example, E01). The error codes are the following:
E01 - internal error of the board
E04 - impressed current anode malfunction (corrosion protection is not guaranteed)
E09 - excessive number of resets in fifteen minutes
E10 - broken temperature probes (open or short circuited) - boiler outlet
E11 - excessive water temperature detected by single sensor - boiler outlet
E12 - general excessive water temperature (circuit board fault) - boiler outlet
E14 - Failure to heat water with powered heating element - boiler outlet
E15 - overheating caused by lack of water - boiler outlet
E20 - broken temperature probes (open or short circuited) - boiler inlet
E21 - excessive water temperature detected by single sensor - boiler inlet
E22 - general excessive water temperature (circuit board fault) - boiler inlet
E24 - failure to heat water with powered heating element - boiler inlet
E25 - overheating caused by lack of water - boiler inlet
E61 - internal malfunction of the circuit board (NFC communication)
E62 - internal malfunction of the circuit board (NFC data damaged)
Error reset: reset the appliance by switching it off and on from the ON/OFF button (Ref. A). If the cause of
the malfunction disappears immediately when reset, the appliance resumes its regular operation. On the
contrary, if the error code continues to appear on the display: contact the Technical Service Centre.
Additional Functions
Time remaining
For models equipped with user interface type shown in figure 9. The time remaining to reach the tem-
perature set by the user (Ref. E) is shown in the centre of the display (Ref. F).
The value is indicative and is an estimate of the "time remaining" parameter. The value is automatically
updated during the heating phase.
Anti-freeze function
The anti-freeze function is the appliances automatic protection to avoid damages caused by very low tempe-
ratures below 5 °C, in the event in which the product is turned off during winter. It is recommended that the
product remains plugged in to the mains power, even if it is inactive for a long time.
The function is enabled; activation is displayed on the display with "AF" .
For all models, once the temperature rises to a safer level such as to avoid damage from ice and frost, the
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