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10. Operating level 2
Quick heating
Prerequisite:
− Extract air temperature sensor or room temperature sensor installed
− Damper system for quick heat-up installed
The quick heat-up function can be enabled in the "standard settings".
During system start-up and in control mode, the ACTUAL room/extract air
temperature and the SET room/extract air temperature are continuously
compared. If the actual temperature is below the set temperature by
an adjustable value (e.g. 5 K), the quick heat-up function is enabled.
This means recirculating air operation with the set maximum supply air
temperature.
Once the ACTUAL room/extract air temperature has reached the SET room/
extract air temperature (incl. adjustable offset), the unit changes back into
control mode.
If the SET room/extract air temperature (incl. offset) is not achieved, the
unit switches back into control mode after an adjustable max. runtime (e.g.
60 min).
If the quick heat-up function is enabled, this is shown on the default screen
as a special operating mode.
Parameter Setting range Factory setting
Start delay for fan 0 - 180 s 120 s
Start time for recirc. mode 0 - 180 min 0 min
Min. proportion fresh air with
modulating reduction
0 - 100 % 10 %
Modulating reduction, min. proportion
fresh air with outside temp.
standard fresh air proportion
-10 - 30 °C 0 °C
Reduced fresh air proportion -10 - 30 °C -10 °C
Energy saving
- heating
0 - 30 K 10 K
- cooling 0 - 30 K 10 K
Delta of set/actual room temperature 2 - 10 K 5 K
Offset, set temperature -1 - 5 K 0 K
Offset, ventilation air* 0-100 % 0 %
Substit. set room temperature** 15 - 35 °C 22 °C
Max. runtime 10 - 90 min 60 min
* the set percentage applies to the set supply air value
(e.g. set value = 2000 m³/h + 10 % offset -> quick heat-up set value = 2200 m³/h)
** is effective with selected supply air temperature control
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