Siemens SINAMICS S120 Manual page 246

Maintenance and servicing
7.4 Maintaining the cooling circuit
Removing the heat exchanger from the control cabinet
Figure 7-3
The removal steps correspond to the numbers shown in the diagram.
1. Open the fast release connection of the front coolant connection (
2. Withdraw the connecting cable for the fan power supply at connector X160 (
3. Close the vent valve, remove the vent hose (
4. Carefully withdraw the heat exchanger.
5. Open the fast release connector of the rear coolant connection.
You can then replace the fan motor of the heat exchanger.
244
Remove the heat exchanger
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Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A
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