Ariston Nuos Evo Split 100, Manual

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Heat pump water heater – OPERATING AND MAINTENANCE INSTRUCTIONS
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7.8 Electrical connections "Check" (function activated by the installer menu)
With this function you can control the electrical connections made during installation.
You can start the procedure from the installer menu, setting the parameter C1 ON and confirm by
pressing the knob. The procedure takes about 8 minutes during which the progress symbols
flashes on the display. To stop this procedure press "mode ".
If at the end of the procedure has the response "OK", the electrical connections were made
properly.
If the response is "KO" recheck the electrical connections between indoor and outdoor units
paying attention to the numbers indicated on the terminals. Check sensors cable.
7.9 Anti-legionnaire’s disease protection (function activated only through the installer menu)
If activated, the water heater automatically carries out the anti-legionnaire’s disease protection
function. The water is brought to a temperature of 65 °C on a monthly basis and for a maximum
time of 15 minutes, so as to avoid germs from developing in the water tank and piping (provided
the water has not been brought to T>57 °C at least once for at least 15 minutes). The first heating
cycle is performed 3 days after the function has been activated. As these temperatures may
cause burns, it is advisable to use a thermostatic mixer.
The achievement of temperatures above the set is marked with the symbol of the waves.
During the cycle of antilegionella will be displayed “ANTI_B” alternately to the mode of operation,
once the cycle is done the set temperature remains the original one.
To stop press "on/off".
7.10 Default settings
The appliance is manufactured with a series of default modes, functions or values, as indicated in the table below:
Parameter Factory default setting
AUTO MODE ACTIVATED
BOOST MODE ACTIVATED
PRE-SET TEMPERATURE 55 °C
P1 MAX. TEMPERATURE SETTABLE WITH THE HEATING ELEMENT 65 °C
P2 MINIMUM SETTABLE TEMPERATURE 50 °C
P3 MAX. TEMPERATURE SETTABLE WITH THE HEAT PUMP 55 °C
P4 GREEN MODE ACTIVATED
P5 ANTI-LEGIONNAIRE’S DISEASE PROTECTION DEACTIVATED
P6 VOYAGE MODE DEACTIVATED
P7 DEFROST (active defrost activation) ACTIVATED
P8 HC-HP (two-tier rate operation mode) DEACTIVATED
P9 TIME_W (no. of accepted hours of powering) 8 h
P11 PROGRAM MODE (P1, P2, P1+P2) DEACTIVATED
PROGRAM P1 TEMPERATURE PRESET 55 °C
PROGRAM P1 TIME PRESET 06:00
PROGRAM P2 TEMPERATURE PRESET 55 °C
PROGRAM P2 TIME PRESET 18:00
P12 BOOST2 MODE DEACTIVATED
7.11 Anti-frost function
In any event, if the temperature of the water in the tank falls below 5 °C while the appliance is powered, the heating
element (1200 W) will be automatically activated to heat the water up to 16 °C.
OPERATING AND MAINTENANCE INSTRUCTIONS
the procedure from the installer menu, setting the parameter C1 ON and confirm by
symbols
If at the end of the procedure has the response "OK", the electrical connections were made
" recheck the electrical connections between indoor and outdoor units
legionnaire’s disease protection (function activated only through the installer menu)
legionnaire’s disease protection
°C on a monthly basis and for a maximum
time of 15 minutes, so as to avoid germs from developing in the water tank and piping (provided
st heating
temperatures may
alternately to the mode of operation,
default modes, functions or values, as indicated in the table below:
Factory default setting
°C while the appliance is powered, the heating