Siemens SINAMICS S120 Equipment Manual page 270

Cooling circuit, coolant properties and protection against condensation
9.5 Examples of coolant control
Figure 9-16
The temperature ΔT
measured humidity.
Example of the formation of the temperature setpoint of the coolant
①
②
③
④
Figure 9-17
Tmin should be limited to plus 10° C. Tmax to 50° C.
Sensors for simultaneous measurement of the relative humidity and temperature can be
supplied, for example, by JUMO.
270
Curve to determine the temperature ΔT
can be determined according to the characteristic based on the
L
Actual humidity value
Humidity characteristic – temperature difference
Actual ambient temperature value
Adder for temperatures
Formation of the coolant temperature setpoint
L
Water-cooled chassis power units for common cooling circuits
Manual, 08/2017, 6SL3097-4AM10-0BP0