Siemens SINAMICS G220 - Page 790

NOTICE
Damage to connection plug following incorrect removal
The connection plug may be damaged if the fan unit is removed incorrectly.
• Detach the fan unit connection plug before completely removing the fan unit from the
converter.
The following requirements apply when the fan unit is replaced:
• Comply with ESD regulations.
• Only quali󹪝ed personnel may replace the fan unit.
• Required tools:
– Torx screwdriver T20
Procedure
The procedure for removing and installing the main fan subassemblies is identical for frame sizes
FSB and FSC.
The following procedure describes removing and installing the main fan using a converter,
frame size FSC as example.
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Figure16-2 IP55 main fan, removal FSC
Proceed as follows to remove the fan unit:
1. Using a torx screwdriver, release the 4 󹪝xing screws of the fan unit and remove it.
2. Slightly raise the fan unit.
3. Release the catch of the connection plug and withdraw the plug upwards. Remove the fan
unit.
Corrective maintenance
16.11Replacing fans
SINAMICS G220 converter
788 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB