Siemens SINAMICS G220 - Replace Fan Unit, Converter with IP55 Degree of Protection, Frame Sizes FSD1-FSE

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Figure16-3 IP55 main fan, installation FSC
Proceed as follows to install the new fan unit:
1. Insert the connector for the electrical connection of the fan unit into the socket in the
converter housing. Carefully ensure that the connector audibly snaps into place. The power
supply for the fan is therefore established.
2. Place the fan unit in the converter housing.
3. Using a torx screwdriver, tighten the 4 󹪝xing screws of the fan unit. Tightening torque:
2Nm(17.7lbfin).
16.11.3 Replace fan unit, converter with IP55 degree of protection, frame sizes
FSD1-FSE
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 789