Siemens SINAMICS S120

Cooling circuit and coolant properties
13.5 Using heat exchangers
Booksize Power Units
Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8
785
13.5.3
Active cooling unit
If no process water is available and the ambient air is > 35 °C (35 °C < τ < 40 °C), an active
cooling unit can be used. This unit works in the same way as a refrigerator.
The following diagram shows the configuration of the cooling circuit in respect of Line
Modules.
Figure 13-6 Active cooling unit