4
Display (showing all elements)
14-digit plain text display
Compress run
Heating times for central heating and DHW (black)
2. HS RUN
Switching time pairs for central heating and DHW operation
Backup heating active
Day mode HC 1
Setback mode for heating circuit 1
1.8 Adjustments
1.8.1 Operating modes
(control level 1)
The operating modes are changed by pressing
with the control flap closed.
Standby mode
Frost protection is activated for central
heating and DHW operation. The display
indicates frost protection when the flap
is closed.
The set DHW temperature is permanently
set to 10 °C; the set central heating flow
temperature is calculated in relation to a
set room temperature of
5 °C, see point 3.
Application: During holidays.
Automatic mode
Heating subject to time switch program
(applies to HC 1 and HC 2), changeover
between day temperature and setback
temperature. DHW in accordance with
a time switch program; changeover
between day temperature and setback
temperature, see point 4.
With this operating mode, an additional
symbol (sun or moon) indicates, whether
heating circuit 1 is currently in day or in
setback mode.
The remote control is only active in this
mode.
Application: If you need heating and
DHW.
Constant day mode
The heating circuits HC1 and HC2 are
constantly held at the day temperature.
DHW according to time switch program.
Application: In low energy houses with-
out setback operation.
Constant setback mode
The heating circuit is constantly held at
the setback temperature (applicable to
HC 1 and HC 2). DHW according to time
switch program.
Application: During weekends away.
DHW mode
DHW in accordance with a time switch
program; changeover between day tem-
perature and setback temperature. Frost
protection is activate for central heating
operation.
Application: The heating period ends;
only DHW should be generated (sum-
mer mode).
Backup heating
This setting activates the emergency
mode. In this operating mode, the back-
up heater provides the DHW and central
heating, independent of the dual-mode
point.
Fault message (flashing)
Indicates faults in the heat pump sys-
tem.
Notify your local contractor.
Heat source 2 (emergency work)
DHW operation
Constant setback mode
Constant day mode
Automatic mode
Standby mode
Fault message (flashing)
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