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Parameter setting
Actuator KNX S1R-B4 compact
• Version: 12.09.2022 • from application 1.0 • Technical changes and errors excepted.
5.2.1.5.Automatic for windows (drives)
The menu item "Automatic" only appears if internal automatic is selected for "Control".
Depending on the setting, the internal automatic functions take the outdoor
temperature, indoor temperature and room air humidity into account, and allow forced
ventilation via a communication object.
In order to fully utilize the internal ventilation automatic, information about the outdoor
and indoor temperature and the inside air humidity must be present in the bus system.
Cold supply air lock:
The input object "cold supply air block" is linked with the output object of a
temperature sensor. The input object can be a 1bit object (smaller or larger than a
threshold value), as well as a 16bit object (measurement value).
1bit input object:
Ventilation is allowed if the bit is 0 and blocked if the bit is 1.
16bit input object:
Ventilation is allowed if the measurement value is larger than the threshold
value+hysteresis
and blocked if the measurement value is smaller than or equal to the threshold value.
Forced ventilation:
If forced ventilation is active ("use forced ventilation: Yes"), ventilation is started as
soon as the communication object "forced ventilation" = 1.
Warm supply air block:
The input object "warm supply air block" is linked with the output object of one or more
temperature sensors. The input object can be a 1bit object (smaller or larger than a
threshold value), as well as a 16bit object (measurement value indoor/outdoor or target
and actual value).
Use cold supply air block
no • yes
Use cold supply air block
yes
Type of temperature input object
1 bit • 16 bit
Type of temperature input object
1 bit
Type of temperature input object
16 bit
Threshold value in 0.1°C
-300 … 800; 50
Hysteresis in 0.1°C
1 … 100; 20
Send current blocking status
no • yes
Use forced ventilation
no • yes
Use warm supply air block
no • yes
Содержание 70550
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