Level of the return flow characteristic
(30 to 30 °C) You must first enter the code number be-
fore you can change this value.
Max. return flow temperature
(20 to 90 °C) You must first enter the code number before
you can change this value.
If you set the max. value = min. value, this results in a
fixed limit value
Min. return flow temperature
(20 to 90 °C) You must first enter the code number before
you can change this value.
Time schedule for heating
Times-of-use of the heating
You can enter two time periods for the time-controlled
operation (mode switch set to clock symbol), during
which the heating runs in rated operation.
The default setting is a daily rated operation from
6:00
to 22:00 hrs
.
The heating runs dependent on the outdoor temperature
according to the predetermined heating characteristic
(see page 48).
The heating is switched over to reduced operation when the default rated operation time period
ends at 22:00 hrs. This saves energy in the times of non-use, e.g. at night time.
In reduced operation, the heating runs, for example with a set-back of the flow temperature by
15 °C. The values for the reduced operation are preset as set-back of flow temperature
for reduced operation (page 49).
The heating switches back to rated operation when the reduced operation ends at 7:00 hrs.
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