Procedure
1. Switch o the converter power supply.
WARNING
Electric shock as a result of a residual charge in power components
After the power supply has been switched o, it takes up to 5 min. until the capacitors in the
converter have discharged so that the residual charge is at a non-hazardous level.
• Check the voltage at the converter connections before you carry out any installation
work.
2. Withdraw the cables for the line supply, motor and braking resistor.
3. Remove the shield plate.
4. Using your ngers, press on the sides of the fan unit locking lugs.
5. Withdraw the fan unit from the housing.
You have removed the fan module.
❒
Install fan unit, FSA ... FSC
Procedure
1. Align the power supply connection of the fan unit to the connector in the converter.
2. Carefully insert the fan unit into the heatsink until until the locking lugs engage.
3. Mount the shield plate.
4. Insert the cables for the line supply, motor and braking resistor.
5. Switch on the power supply for the converter.
You have installed the fan module.
❒
10.4.3 Replacing the fan for FSD ... FSF - G120C
Removing the fan module, FSD…FSF
DANGER
Electric shock
Death or serious injury will result if energized parts are touched.
• Switch o the converter power supply.
• Wait until the discharge time elapses, which is stamped on the converter warning plates and
labels.
Corrective maintenance
10.4Spare parts
SINAMICS G120C Converters
406 Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK
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