Siemens SINAMICS S120 - Venting the Cooling Circuit

Note
Prevent the ingress of dirt and foreign bodies into the cooling circuit.
6.2.2.1 Venting the cooling circuit
Venting pumps
First vent the pumps ①.
Note
Please always read the operating instructions of the cooling unit. The exact position of the
venting screw is shown in the operating instructions of the cooling unit.
Figure 6-1 Example: Venting screw of the pump
Venting components
Vent the components in the specified sequence:
●
First vent the air-water heat exchanger
● Then, in a second step, vent the Basic Line Modules, Active Line Modules and Motor
Modules
The hose for venting the individual components can be found in the cabinet. Release the
ventilation hose ① from the cabinet frame. Hold the venting hose outside the cabinet in a
bucket.
Commissioning
6.2 Commissioning the cooling unit
Applications for Cabinet Modules, liquid cooled
96 Operating Instructions, 04/2015, A5E35974555A