Technical Manual
Glass Room Temperature Controller Smart SCN-RTRGx.02
MDT technologies GmbH •
51766 Engelskirchen • Papiermühle 1
•
Germany
Phone: +49-2263-
880 • [email protected] • www.mdt.de
68
68
Type of thresholds: Control value/Delta T/Relative humidity
The ventilation control refers in the setting "Type of thresholds: Control value" to the current
control value of the temperature controller. If the temperature controller is active in heating mode,
the ventilation stages are switched according to object 10 - Control value heating. If the
temperature controller is active in cooling mode, the ventilation stages are switched according to
object 11 -
Control value cooling. In the operation mode “Heating and Cooling”, the contro
l value of
the currently active mode is used.
In the setting "Type of thresholds: Delta T", the delta is formed from the currently measured
temperature value, which is output on object 58 - "Send measured value", and the setpoint value,
which is sent on object 6 - "Current setpoint".
In the setting "Type of thresholds: relative humidity (via external object)", the ventilation control
refers to the received measured value, object 55 - "Relative air humidity input".
The following parameter settings are available:
ETS-Text
Dynamic range
[Default value]
Comment
Threshold level 1
(Type of threshold: control value)
(Type of threshold: rel. humidity)
0%
–
100%
[10%]
[60%]
Threshold value below which all
stages are switched off, above which
level 1 is switched on.
Threshold level 1
(Type of threshold: Delta T)
1,0K-10,0K
[2,0K]
Delta T below which all stages are
switched off, above which level 1 is
switched on.
Threshold level 2
(Type of threshold: control value)
(Type of threshold: rel. humidity)
0%
–
100%
[30%]
[70%]
Threshold value below which level 1
is switched on and above which level
2 is switched on.
Threshold level 2
(Type of threshold: Delta T)
1,0K-10,0K
[4,0K]
Delta T below which level 1 is
switched on and above which level 2
is switched on.
Threshold level 3
(Type of threshold: control value)
(Type of threshold: rel. humidity)
0%
–
100%
[50%]
[75%]
Threshold value below which level 2
is switched on and above which level
3 is switched on.
Threshold level 3
(Type of threshold: Delta T)
1,0K-10,0K
[6,0K]
Delta T below which level 2 is
switched on and above which level 3
is switched on.
Threshold level 4
(Type of threshold: control value)
(Type of threshold: rel. humidity)
0%
–
100%
[70%]
[80%]
Threshold value below which level 3
is switched on and above which level
4 is switched on.
Threshold level 4
(Type of threshold: Delta T)
1,0K-10,0K
[8,0K]
Delta T below which level 3 is
switched on and above which level 4
is switched on.
Hysteresis
(Type of threshold: control value)
(Type of threshold: rel. humidity)
0%-20%
[5%]
[2%]
Hysteresis for switching the output
levels.
Hysteresis
(Type of threshold: Delta T)
0,1K-2,0K
[0,5K]
Hysteresis for switching the output
levels.
Send outputs cyclically every
not active
1 min
–
60 min
Parameter activates the cyclic
sending of all 4 output objects.
Table 72: Settings
–
Output step controller
