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User, Installations and Maintenance Manual
7.5 Operating mode
The following modes are available for this water heater
7.5.1 ECO
The display shows the symbol
With this mode only the heat pump is used within the product
operating limits to ensure maximum possible energy saving.
The heat pump is switched on 5 minutes after selecting this
mode or from the last switch-off.
In case of switching off, within the first 5 minutes, the heat pump
will remain on anyway to ensure at least 5 minutes of continu-
ous operation.
7.5.2 AUTOMATIC
The display shows the symbol
+ .
With this mode the heat pump is used and, if necessary, also the
heating element, within the product operating limits, to ensure
best possible comfort.
The heat pump is switched on 5 minutes after selecting this
mode or from the last switch-off.
In case of switching off, within the first 5 minutes, the heat pump
will remain on anyway to ensure at least 5 minutes of continu-
ous operation.
7.5.3 BOOST
The display shows the symbols
+ flashing.
This mode uses the heat pump and the heating element, within
the product operating limits, to ensure faster heating.
The heat pump is switched on 5 minutes after selecting this
mode or from the last switch-off.
In case of switching off, within the first 5 minutes, the heat pump
will remain on anyway to ensure at least 5 minutes of continu-
ous operation.
The heating element is switched on immediately.
7.5.4 ELECTRIC
The display shows the symbol .
With this mode only the heating element is used within the prod-
uct operating limits and is useful in situations of low inlet air
temperatures.
7.5.5 VENTILATION
The display shows the message
.
With this mode only the electronic fan inside the equipment
is used and is useful for recirculating the air in the installation
room if desired.
In automatic mode the fan will be adjusted to the minimum
speed.
7.5.6 HOLIDAY
The display shows the symbol .
This mode is useful when away for a limited time and then au-
tomatically finding the equipment working in automatic mode.
Using the + and - buttons it is possible set the days of absence
during which the equipment is to remain in standby mode.
Press and then on off to confirm.
7.5.7 Solar Mode
+ or
+ + or
(
Only for models
PCV3)
When the solar mode is activated from the installer menu, only
ECO - AUTOMATIC - HOLIDAY will be available.
When the symbol on the display flashes, the solar mode is
not operating and the unit works in the set mode: ECO, AUTO
-
MATIC or HOLIDAY.
When the symbol on the display is lit up, the energy pro-
duced by the solar system is used to heat the water inside the
tank via the solar coil.
7.5.8 Photovoltaic Mode
+ or
+ + or
When the photovoltaic mode is activated from the installer
menu, only ECO - AUTOMATIC - HOLIDAY will be available.
When the symbol on the display flashes, the photovoltaic
mode is not operating and the unit works in the set mode: ECO,
AUTOMATIC or HOLIDAY.
When the symbol on the display is lit up, the energy pro-
duced by the photovoltaic system is used to heat the water in-
side the tank.
With ECO mode selected, the heat pump will operate until the
set-point is reached and the heating element is switched on until
the photovoltaic set-point set from the installer menu is reached.
Otherwise, with AUTOMATIC mode selected, the heating ele-
ment can also be switched on before reaching the set-point of
this mode if the conditions require it.
7.5.9
Off-Peak Mode
+
or
+ +
When the photovoltaic mode is activated from the installer
menu, only ECO - AUTOMATIC will be available.
When the symbol
on the display flashes, the Off-Peak
mode is not operating and the unit remains on standby and the
heat pump and heating element are off.
Otherwise, when the symbol on the display is lit up, the unit
works in the ECO or AUTOMATIC mode.
