Siemens SINAMICS G220 - Replace Fan Unit, Converter with IP55 Degree of Protection, Frame Sizes FSB-FSC

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Figure16-1 IP20 fan mounting, installation
Proceed as follows to install the new fan unit:
1. Place the new fan unit in the converter housing.
Press the fan subassembly into the plug-in connection until the catches audibly snap into
place.
2. Using a torx screwdriver, tighten the 󹪝xing screws of the shield connection plate. Tightening
torque: 3Nm(26.6lbfin).
16.11.2 Replace fan unit, converter with IP55 degree of protection, frame sizes
FSB-FSC
Overview
The fan unit at the top of the converter must be replaced if a fan is defective or if the fan has
reached its maximum operating period.
Requirement
WARNING
Electric shock when live parts are touched
After the fan unit is removed, the live components of the converter are no longer protected
from being touched. Contact with live parts can result in death or serious injury.
• Before replacing the fan, switch o󹪜 the power supply at terminals X1:L1, L2, L3.
• Check that the fan unit is de-energized before removing it.
• Wait until the discharge time speci󹪝ed on the warning labels has elapsed.
Corrective maintenance
16.11Replacing fans
SINAMICS G220 converter
Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB 787