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Overview
10.6. Choice of operating mode
Pressing the
In AUTO mode:
This operating mode automatically manages the choice of energy that ensures the best compromise between
comfort and savings.
The water heater analyses the consumptions from the previous days to adapt hot water production to the
actual needs. The setpoint temperature is thus automatically adjusted between 50 and 62° C, depending on
the consumption history.
The water heater preferentially selects the heat pump to operate. The electrical backup can be selected
automatically to ensure sufficient hot water volume.
The product respects the operating ranges defined by the user's programmed times
This mode is unavailable on the "Boiler backup" and "Solar backup" installations
MANUAL mode:
This mode is used to set the desired amount of hot water by selecting the setpoint. This instruction is also
represented in an equivalent number of showers (
operating ranges defined by the user's programmed times.
In Passive ECO mode, the water heater prioritises operation using only the heat pump. However, if air
temperatures are low or consumption is high, the electric backup (or boiler) may be solicited at the end of
heating to reach the temperature setpoint.
In Active ECO mode, the water heater works exclusively with the heat pump when the air temperature is
between -5 to +43° C. Additionally, electrical backup is not allowed during the heating process. This feature
maximises savings but can result in hot water shortages.
Regardless of the ECO setting, the electrical backup will be automatically selected to ensure a sufficient
volume of hot water if the air temperatures are outside the range or the product has a fault.
MANUAL mode with "Solar backup" installation
This mode also allows the heat pump to operate with a thermal solar backup. However,
simultaneous operation of the heat pump and solar backup can damage the product. It is therefore
essential to use the heat pump during periods of time when solar energy is not available (this can be
done using the heat pump's time programming mode).
BOOST mode: This mode activates the heat pump as well as all other available energy sources (boiler backup
if incorporated, electrical backup) without taking into account the authorised operating periods. The number
of the BOOST's operating days is adjustable from 1 to 7. The setpoint temperature (62° C) is not adjustable.
The water heater resumes its initial operation at the end of the selected time period.
The BOOST can be stopped at any time.
ABSENCE mode: This mode maintains the sanitary water temperature above 15° C by using the heat pump.
The boiler and electric backups can be activated if the heat pump is not available.
The function can be stopped at any time.
68
Installation
key accesses the menu
Use
Maintenance
Mode
: about 50 L of hot water). The product respects the
Warranty
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