Siemens Sinamics S120 Manual page 824

Service and Support Booksize
14.2 Replacing the fan
Release the connector and remove the connecting cable.
•
Table 14- 12 Installing a fan
Size 50 mm
Observed the air flow direction before installing the fan (the arrow on the fan must point towards the cooling ribs).
•
Insert the connector until it latches into place.
•
Install the fan.
•
Notice: Do not crush the connecting cables!
Attach the fan cover.
•
824
Size 75 mm
Manual, (GH2), 04/2014, 6SL3097-4AC00-0BP6
Booksize Power Units