OPERATION
Operation
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4.4 Selecting operating modes
On the start screen, the current operating mode is displayed
(e.g.ECO MODE).
WEDNESDAY 12. APR 17 10:23 TIME
OUTSIDE TEMPERATURE
ACTUAL WW TEMPERATURE
27.0 °C
35.0 °C
28.0 °C
ACTUAL RETURN TEMPERATURE
26�04�01�0292
ECO MODE
If you want to select another operating mode, use the Touch-
Wheel. This takes you through the list of possible operating
modes. The current choice (list entry) is shown in the shaded
selection field.
Note
Since navigation to a new operating mode is always made
from the currently enabled mode, you may need to turn
in an anti-clockwise direction. All operating modes, apart
from DHW mode, apply to both heating and DHW.
Confirm with OK.
Note
If the selection field shows POWER-OFF behind the op-
erating mode, then the heat pump will not heat or cool
during the blocking time.
The compressor and the internal electric reheating stag-
es are switched off. If a buffer cylinder is installed, the
heating circuit pumps will continue running.
You can ask your qualified contractor to configure an ex-
ternal heat source for the blocking time.
4.4.1 STANDBY MODE
Purpose: If the heat pump will not be running for a longer period.
The frost protection function is enabled.
4.4.2 PROGRAMMED OPERATION
Note
Installed remote controls are effective only in this oper-
ating mode.
Purpose: If you need heating and DHW.
Heating mode
Heating operation takes place according to the seven-day program
times specified for the heating circuits. The heat pump switches
between comfort temperature and ECO temperature. Within the
selected seven-day program times, the heat pump heats to com-
fort temperature.
Set the comfort temperature for the relevant heating circuit
under SETTINGS/ HEATING/ HEATING CIRCUIT/COMFORT
TEMPERATURE.
Set the ECO temperature for the relevant heating cir-
cuit under SETTINGS/ HEATING/ HEATING CIRCUIT/ ECO
TEMPERATURE.
Set the times under PROGRAMS/ HEATING PROGRAM for the
relevant heating circuit.
DHW heating
DHW heating takes place according to the specified seven-day pro-
gram times. The heat pump switches between comfort tempera-
ture and ECO temperature. Within the selected seven-day program
times, the heat pump heats to comfort temperature.
Set the comfort temperature under SETTINGS/ DHW/ DHW
TEMPERATURES/ COMFORT TEMPERATURE.
Set the ECO temperature under SETTINGS/ DHW/ DHW TEM-
PERATURES/ ECO TEMPERATURE.
Set the times under PROGRAMS/ DHW PROGRAM.
4.4.3 COMFORT MODE
Purpose: If no reduction is to take place, e.g.in a low energy
house.
Heating mode
The heating circuits (HK) are constantly held at the comfort tem-
perature (applies to HK1 and HK2).
Set the comfort temperature for the relevant heating circuit
under SETTINGS/ HEATING/ HEATING CIRCUIT/COMFORT
TEMPERATURE.
DHW heating
DHW heating takes place according to the specified seven-day pro-
gram times. The heat pump switches between comfort tempera-
ture and ECO temperature. Within the selected seven-day program
times, the heat pump heats to comfort temperature.
Set the comfort temperature under SETTINGS/ DHW/ DHW
TEMPERATURES/ COMFORT TEMPERATURE.
Set the ECO temperature under SETTINGS/ DHW/ DHW TEM-
PERATURES/ ECO TEMPERATURE.
Set the times under PROGRAMS/ DHW PROGRAM.
4.4.4 ECO MODE
Purpose: If for a short period there is nobody in the building,
e.g.during a weekend break.
Heating mode
The heating circuits (HK) are constantly held at the ECO tempera-
ture (applies to HK1 and HK2).
Set the ECO temperature for the relevant heating cir-
cuit under SETTINGS/ HEATING/ HEATING CIRCUIT/ ECO
TEMPERATURE.
DHW heating
DHW heating takes place according to the specified seven-day pro-
gram times. The heat pump switches between comfort tempera-
ture and ECO temperature. Within the selected seven-day program
times, the heat pump heats to comfort temperature.
Set the comfort temperature under SETTINGS/ DHW/ DHW
TEMPERATURES/ COMFORT TEMPERATURE.
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