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KNX Technical Reference Manual
®
ABB-i-Bus
-KNX Millenium
8.10
Additional operating modes and alarms
Standby: Standby mode lowers the temperature during presence below the level of comfort mode. This saves
energy. And the room does not cool down during an extended absence.
Dew point: If an appropriate telegram is received from a dew point sensor, the room temperature controller will
display the corresponding icon and cease cooling and merely protect against the heat.
Alarm: The alarm can be freely parameterized. For example, it can occur when an external temperature sensor
no longer sends values.
On/Off: The room temperature controller can be activated and deactivated. If control is deactivated, this icon
appears in the display. The device operates in frost protection mode.
Nighttime temperature reduction: The temperature can be reduced during the night. This saves energy and
makes the night's rest comfortable. The heating starts again automatically the next morning to reach a
comfortable temperature for rising.
Frost protection: If parameterized, frost protection will ensure that the temperature does not drop below the
desired value. It is the lowest setpoint.
Heat protection: If parameterized, heat protection will ensure that the temperature does not exceed the desired
value. It is the highest setpoint.
Condensate: The operation of a fan coil may cause condensate water, which is collected in a container. If the
fan coil sends out a telegram when the container is full, the icon for condensate mode is displayed. The room
temperature controller switches automatically into heat protection mode.
Note
Local operation is blocked!
The alarm or the operating mode must first be deactivated.
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Operation
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