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User, Installations and Maintenance Manual
As soon as the water heater is powered the four buttons are
backlit and all the icons and display segments light up simulta
-
neously for 3 s.
During normal operation of the product the three digits on the
display show the water temperature in °C, measured with the
upper water probe if parameter P11 is set to 1 or with the lower
water probe if P11 = 0.
During modification of the selected operating mode set-point,
the set-point temperature is shown on the display.
The icons indicate the selected operating mode, the presence
or not of alarms, Wi-Fi connection status, and other information
on product status.
7.1
Turning the water heater on and off and unlocking the
buttons
When the water heater is correctly powered it can be "ON" and,
therefore, in one of the available operating modes (ECO, Auto-
matic, etc.) or in standby mode.
During standby mode the four capacitive buttons are backlit for
easy visibility, the Wi-Fi icon is lit up according to the connection
status with an external Wi-Fi router (not supplied) and, in the
absence of alarms or frost protection active, all other icons as
well as the segments of the three digits are off.
Turning on
With the water heater in standby mode and "button lock" func
-
tion active (padlock icon at the bottom left lit up), it is necessary
to first "unlock" the buttons by pressing the ON/OFF button for
at least 3 seconds (the padlock icon goes off), then press the
ON/OFF button again for 3 seconds to turn on the water heater.
Turning off
With the water heater on and “button lock" function active, it
is necessary to first "unlock" the buttons by pressing the ON/
OFF button for at least 3 seconds, then press the ON/OFF but
-
ton again for 3 seconds to turn off the water heater (putting in
standby mode).
In any status, 60 seconds after the last press of any of the four
user interface buttons, the button lock function is automatically
activated to prevent possible interactions with the water heater,
e.g. by children, etc. At the same time the backlighting level of
the buttons and display decreases to reduce the unit’s energy
consumption.
By pressing any of the four buttons, the backlighting of the but
-
tons and display will immediately return to its normal level for
better visibility.
7.2 Setting the clock
With the buttons unlocked, press the button
for 3 seconds to
access the clock settings (the symbol
flashes).
Set the time with the "+" and "-" buttons, press " " to confirm
and then set the minutes.
Press the button to confirm and exit.
7.3 Setting time bands
The equipment clock must be set before activating the time
bands.
Select the desired operating mode then set the time bands.
The time bands can be activated only in the ECO - AUTOMATIC
- BOOST - ELECTRIC and VENTILATION modes.
With the buttons released, press th button and “-” button
together for 3 seconds to set the time bands (the symbol is
displayed).
Set the switch-on time using the “+” and “-” buttons, press “
” to confirm and then set the On minutes.
Press to confirm and go to switch-off time setting.
Press to confirm, then, using the “+” and “-” buttons, select
the desired operating mode for the time band (ECO, AUTOMAT-
IC, BOOST, ELECTRIC, VENTILATION).
Press to confirm and exit.
Note
: At the end of the time band the equipment goes to stand-
by mode and remains there until repetition of the time band the
next day
To deactivate the time bands:
• set the on and off times to midnight (00:00);
• press to confirm;
• press button and “-” button together for 3 seconds (the
symbol goes off).
7.4 Setting the hot water set-point
It is possible to adjust the hot water set-point in the ECO, AUTO-
MATIC, BOOST and ELECTRIC modes
Select the desired mode with the button , then adjust the
set-point with the “+” and “-” buttons.
Press the button to confirm and
to exit.
Mode
Hot water set-point
Range
Default
ECO
43÷62°C
55°C
AUTOMATIC
43÷62°C
55°C
BOOST
43÷75°C*
55°C
ELECTRIC
43÷75°C
55°C
* In BOOST mode the maximum set-point value for the heat
pump is 62°C. Therefore, by setting a higher value this is to be
considered only for the heating element.
Summary of Contents for Altherma M HW-EKHHE-CV37
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