3 Operation
Operation manual
6
D2CND024A1/4AB + D2TND012~024A4AB
Wall-mounted condensing boiler
3P469438-3M – 2019.11
3.3.4
Changing temperature setpoints
Temperature setpoints can be changed with the Right/Left dials.
To change the central heating temperature
setpoint
1
Turn the left dial while you are at the home screen. The setpoint
screen will appear as shown below and the setpoint can be
adjusted by turning the left dial.
Note:
The icon means you are
at the setpoint screen.
2
To apply changes done, wait for 3 seconds or press the "Enter"
button. Pressing the "Cancel" button cancels the changes done.
To change the domestic hot water setpoint
1
Turn the right dial while you are at the home screen. The
setpoint screen will appear as shown below and the setpoint
can be adjusted by turning the right dial.
Note:
The icon
means you are at the setpoint screen.
2
To apply changes done, wait for 3 seconds or press the "Enter"
button. Pressing the "Cancel" button cancels the changes done.
NOTICE
To be able to change the setpoint of central heating or
domestic hot water, the corresponding operation mode
must be enabled. If it is not, the related dial has no
function.
3.3.5
Possible central heating operation modes
Mode
Description
Boiler only
The case that the system only
contains the boiler. No room
thermostat or outdoor sensor are
connected. The central heating water
temperature setpoint is displayed. The
setpoint can be adjusted with the left
dial.
The icon is shown on the screen
when the central heating operation
mode is enabled.
Combination with Daikin
room thermostat (DOTT )
The case that Daikin room thermostat
is connected to the boiler. Actual room
temperature is displayed. The room
temperature setpoint can be adjusted
from the user interface by means of
the left dial or from the Daikin room
thermostat.
The icon is shown on the screen
instead of the icon when central
heating operation mode is enabled.
outdoor sensor
(Weather compensation)
The case that outdoor sensor is
connected to the boiler. In this case,
the central heating water temperature
is regulated according to the outdoor
temperature. The virtual room
temperature setpoint is diplayed. The
virtual room temperature setpoint can
be adjusted by means of left dial.
Increasing or decreasing the setpoint
value reflects to the central heating
water temperature and the room
temperature, respectively.
The and icons are shown on the
screen when central heating operation
mode is enabled.
NOTICE
To enable weather compensation, the heating slope value
must be higher than "0" (see
9]).
INFORMATION
If an outdoor sensor is connected to the boiler together
with Daikin room thermostat, the rules of the case
"Combination with Daikin room thermostat" are applicable.
The outdoor sensor only provides outdoor temperature
data to the room thermostat for water temperature
calculation.
3.3.6
About the central heating ECO mode
The central heating ECO mode provides more economic central
heating. Main purpose of the ECO mode is to operate the boiler at
the condensing temperature range so to increase the efficiency.
ECO mode can be activated at any central heating operation mode
explained above.
ECO mode can be enabled from the user settings menu (see
settings menu: Parameters (short)"
INFORMATION
ECO mode is only for central heating, it has no effect to
domestic water heating.
When central heating ECO mode is enabled, icon is shown on the
screen while the central heating operation mode is enabled.
