Ariston Nuos EVO SPLIT 300, Manual

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Heat pump water heater – INSTALLATION
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Note: To ensure comfort, in the case of P1 + P2 mode operation with very close times between them, it is
possible that the temperature of water is higher than the temperature set, in which case it may appear the
symbol of the waves.
7.5 Time setting
The time setting is required if:
• Program mode has been enabled by the installer menu (P11 parameter set to ON, see
section 7.7);
• The Program is activated and occur simultaneously absence of power from the mains and
battery (the product will restart in Auto mode).
You can also change the current time through the parameter L0 (paragraph 7.6).
The display flashes up showing hours and minutes. Turn the knob until you find the current
time and confirm by pressing the knob. Repeat the procedure to set the minutes.
7.6 Information menu
The information menu allows for visualising data for monitoring the product.
To enter the
menu, press the relative knob and hold for 5 seconds.
Turn the knob to select the parameters L1, L2, L3 … L14.
The description of the parameter appears on the line below.
Upon reaching the desired parameter, press the knob to visualise its value. Press the knob or
“MODE” button to return to the parameter selection area once again.
To exit the information menu, press the “mode” button (the appliance will ensure that the menu is
automatically exited after the latter has been idle for 10 minutes).
Parameter
Name Parameter description
L0 TIME
Visualization and setting of the current time (changeable parameter, available only if
“Program” mode is activated).
L1 HCHP Activated/deactivated status of the two-tier rate operation mode.
L2 TIME_W Maximum accepted hours of powering.
L3 ANTI_B Activated/deactivated status of the anti-legionnaire’s disease function (on/off).
L4 T HP Maximum pre-set temperature of the pump assembly.
L5 T W1 Temperature recorded by the heating element unit sensor 1.
L6 T W2 Temperature recorded by the heating element unit sensor 2.
L7 TW3 Temperature recorded by the hot water pipe sensor.
L8 T AIR Temperature recorded by the inlet air sensor.
L9 T EVAP Temperature recorded by the evaporator sensor.
L10 DEFROS Activated/deactivated status of the defrost function (on/off).
L11 HP h Meter for internal parameter 1.
L12 HE h Meter for internal parameter 2.
L13 SW MB Mainboard software version.
L14 SW HMI Interface board software version.