Siemens SINAMICS S120 Equipment Manual page 340

Booksize power units
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Service and Support Booksize
9.2 Replacing Fans
Removing the fan:
1. Disconnect the power supply (24 V DC and 400 V AC)
Wait 5 minutes while the DC link energy discharges!
2. Remove the component from the drive line-up.
3. Open the fan cover.
Module width: 50 mm
1. Removing the fan.
2. Remove the connector.
Replacing a fan for a 300 mm wide component: Refer to Chapter: Motor Modules with
Internal Air Cooling – Installation
9-2
Module width: 100 mm
Equipment Manual, (GH2), 03/2006 Edition, 6SL3097-2AC00-0BP3
Module width: 150 mm and 200 mm
Equipment Manual for Booksize Power Units

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