Installation manual

36 369622 09.09
Operation
- Heating operation without timer program
- Protection functions active
- Summer/winter automatic switch not active during permanent operation with comfort
target value
- Automatic daily heat limit switch not active during permanent operation with comfort
target value.
Safety operation
The following conditions apply during safety operation :
- No heating operation
- Temperature depends on frost protection
- Protective functions active
- Summer/winter automatic switch active
- Automatic daily heat limit switch active
8.4 Setting the Domestic Hot Water system
- Switched on: The Domestic Hot Water will be produced
according to the switch program selected.
- Switched off: The Domestic Hot Water system has been
deactivated.
8.5 Setting the indoor target values
-Comfort target value .
The comfort target value must be set directly on the turning
button, i.e. either higher (+) or lower (-).
- Reduced target value . The reduced target value is set as
follows:
- Press the acknowledgement button (OK).
- Select a heating circuit.
- Select a parameter reduced target value.
- Set the reduced target value using the turning button.
- Press the acknowledgement button (OK) again.
Return to the basic display from the programming or information level by pressing
the operating mode button for the heating circuit.
8.6 Displaying information
Various temperatures and messages can be called up by pressing the
information button, including the following:
- indoor and outdoor temperature
- error or maintenance messages.
Where there are no errors or maintenance messages, this information will not be
shown.
8.7 Error messages
If the error symbol
appears on the display, a system fault has occurred. Further
information may be obtained by pressing the information button (see Error Code Table).