Siemens SINAMICS S120 Manual page 297

Replacement
The replacement procedure is shown in the previous diagram.
Version with one electronic fan
1. Withdraw the connector for the fan power supply
2. Remove the fan fixing screws
Note the fan direction of rotation - the appropriate arrows are stamped on the housing.
3. Mount the new electronic fan at the original location, fix it with the two fixing screws
(tightening torque: 1.8 Nm).
Check the arrows on the fan housing – they must match the alignment of the replaced
fan.
4. Insert the connecting cable for the power supply of the electronic fan at slot
5. Attach the connecting cable using cable ties, so that the cable cannot come in contact
with the fan blades.
Version with two electronic fans
1. Withdraw the connectors for the fan power supply
2. Remove the fixing screws
Interface Module.
Note the fan direction of rotation, it is shown in the form of arrows on the housing.
3. Mount the new electronic fans at their original locations, fix them using the two fixing
screws
Check the arrows on the fan housing – they must match the alignment of the replaced
fans.
4. Connect the connecting cables for the fan power supply of the electronic fans at slots
5. Attach the connecting cable using cable ties, so that the cable cannot come in contact
with the fan blades.
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A
②
② ④
,
② ④
, (tightening torque: 1.8 Nm).
①
.
and withdraw the fan from the Control Interface Module.
③
.
of the fans and withdraw the fans from the Control
Maintenance and servicing
7.5 Replacing components
②
①
.
③
.
295