Siemens SINAMICS G220 - Page 796

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Figure16-8 IP55 internal fan, removal FSC
Proceed as follows to remove the internal fan:
1. Release the power supply cable and slightly withdraw the power supply cable.
2. Using a torx screwdriver, release the protective conductor and slightly withdraw the
protective conductor.
3. Using a torx screwdriver, release the 󹪝xing screws of the internal fan and remove the 󹪝xing
screws.
4. Pull the internal fan forwards and out of the converter. Carefully ensure that the plug-in
connection of the electrical connection does not skew when it is pulled out.
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Figure16-9 IP55 internal fan, installation FSC
Proceed as follows to install the internal fan:
1. Insert the internal fan into the converter.
2. Using a torx screwdriver, tighten the 󹪝xing screws of the internal fan (depending on the size,
1 or 2x). Tightening torque: 2Nm(17.7lbfin).
3. Connect the protective conductor.
4. Connect the power supply cable.
Corrective maintenance
16.11Replacing fans
SINAMICS G220 converter
794 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB