Siemens SINAMICS G120P Hardware Installation Manual page 62

Service and maintenance
5.2 Replacing components
Replacing the external cooling fan FSD ... FSF
The PM230 Power Modules have two sets of cooling fans, one fan is internal and the other is
external. The external cooling fans at the top of the Power Module.
The external cooling fans on the PM230 FSD to FSF are a complete fan modules.
Preparatory steps
● Power-down the inverter
● Remove the Operator Panel from the Power Module
● Allow at least 5 minutes for the Power Module to completely discharge
● Disconnect all the cables from the Power Module
● Place the Power Module face-down on a clean and safe surface
Removal
1. Using a posi-drive screwdriver, remove the fan retaining screws (indicated in the figure
2. Pull the fan housing forward and remove the power connector for the fan modules
3. Pull the fan module out (indicated in the figure below as
62
①
below as ).
(indicated in the figure below as
On FSD/FSE the power connector is located to the right of the fans, attached to the back
of the fan housing plate. On FSF the power connector is located in between the two fans,
attached to the back of the fan housing plate. The connector is shown in the figure below
as a dashed-line outline because it is not visible from the front of the fan housing plate.
②
).
Hardware Installation Manual, 2010-07-02, A5E02923635A AB
③
).
Power Module PM230 IP55