Ariston VELIS TECH PW ABSE 80 [47/60] Anti freeze function

Ariston VELIS TECH PW ABSE 80 [47/60] Anti freeze function
47 / EN
BOOST FUNCTION
The BOOST function temporarily sets the set-point temperature to 80°C, by-passing the previous oper-
ating mode (if the ECO function is active, the auto-learning function will be temporarily suspended and
will resume automatically once the set-point is reached).
To activate or deactivate the BOOST function, press the corresponding button. If the function is active,
the corresponding LED will be lit.
If the product is switched o using the ON/OFF button “
, if the “ ” “ ” buttons are pressed to
change the set-point or if a shut-o error appears, the BOOST function will be deactivated.
ANTI-FREEZE FUNCTION
The anti-freeze function automatically protects the appliance, preventing damages caused by very low
temperatures, below 5°C, if the product is switched o during the winter season.
We recommend leaving the product connected to the mains electricity, even in case of prolonged inactivity.
Once the temperature rises to a safer level that prevents damages caused by ice or frost, the water
heating function switches o again.
The function is enabled, but in case of activation it does not indicate whether the product is ON. When the
product is switched off using the ON/OFF button “
, if the anti-freeze function is active the display will show
AF” (Anti-Freezing).
THERMAL DISINFECTION FUNCTION (Anti-Legionella)
The Anti-Legionella function is activated by default. It consists of a water heating/60°C temperature
maintenance cycle for 1 hour which has a thermal disinfection action on the relative bacteria.
The cycle starts when the product is started up and when it is restarted after a power outage. If the prod
-
uct always functions at temperatures lower than 55°C, the cycle is repeated after 30 days.
When the product is switched o, the anti-Legionella function is deactivated. If the equipment is switched
o during the anti Legionella cycle, the product switches o and the function is deactivated.
At the end of the cycle, the use temperature returns to the temperature previously set by the user.
To activate this function, simultaneously press and hold the “ON/OFF” and “
” buttons for 3 seconds; the
display will show “A1” for 4 seconds to confirm the activation. To deactivate the function permanently, re
-
peat the operations described above; the display will show “A0” for 3 seconds to confirm the deactivation.
BUZZER (For models equipped with user interface type shown in figure 8a)
The product is equipped with acoustic feedback. To permanently deactivate the function, simultaneously
press and hold the “ON/OFF” and “
” buttons for 3 seconds; the display will show “b0” for 3 seconds
to confirm the deactivation.
To activate this function, simultaneously press and hold the “ON/OFF” and “
” buttons for 3 seconds;
the display will show “b1” for 3 seconds to confirm the activation.
RESET/DIAGNOSTICS
Whenever one of the following faults occurs, the appliance enters the “fault mode” and the status indi-
cator (Fig. 8 Ref. 1) will be lit red and flashing.
Diagnostics: The type of malfunction is indicated on the display, which will show “Er” flashing, alternating
with the relevant error code, according to the following scheme:
01 - internal malfunction of the circuit board
61/62 - internal malfunction of the circuit board (NFC communication or NFC data)
10 - broken temperature probes (open or short circuited) - boiler outlet
11 - excessive water temperature detected by single sensor - boiler outlet
12 - general excessive water temperature (circuit board fault) - boiler outlet
14 - Failure to heat water with powered heating element - boiler outlet
15 - overheating caused by lack of water - boiler outlet
20 - broken temperature probes (open or short circuited) - boiler inlet

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