4. Using a suitable tool, e.g. a slotted screwdriver, release the cover for the supplementary fan
slot.
5. Withdraw the cover from the converter.
6. Insert the supplementary fan into its slot until the supplementary fan interlock audibly snaps
into place.
7. Reconnect all of the converter control cables if you removed the control cables.
8. Close the front door of the converter.
9. Switch on the converter supply voltage.
5.7.14 Supplementary fan for option modules, converter in degree of protection
IP55
Overview
The supplementary fan is not mounted in the factory. Under certain requirements, you must
subsequently mount the supplementary fan to cool the converter.
Requirement
The supplementary fan is delivered together with the converter.
The supplementary fan is required if the two subsequent conditions occur:
• Ambient temperature > 50°C
• More than 1 option module is mounted in the converter.
Installation
5.7Option modules
SINAMICS G220 converter
126 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB