Siemens SINAMICS G220 - Page 792

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.
• The converter housing cover has been removed.
• Required tools:
– Torx screwdriver T20
Procedure
The procedure for removing and installing the main fan is identical for frame sizes FSD1, FSD2
and FSE. The fan unit di󹪜ers in terms of the size, the number of fans contained and the number
of 󹪝xing screws.
The following procedure describes removing and installing the main fan using a converter,
frame size FSD2 as example.
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Figure16-4 IP55 main fan, removal
Proceed as follows to remove the fan unit:
1. Release the catch of the connection plug and withdraw the plug upwards.
2. Using a torx screwdriver, release the 󹪝xing screws of the fan unit and remove the 󹪝xing
screws.
3. Pull the connection plug through its opening as you slowly lift the fan unit upwards.
Corrective maintenance
16.11Replacing fans
SINAMICS G220 converter
790 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB