Removing An Inverter Module And Selecting The Reduced Run Feature - ABB ACS800 Hardware Manual

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Removing an inverter module and selecting the Reduced run feature

WARNING! Read and follow the instructions in chapter
the instructions can cause physical injury or death, or damage to the equipment.
1. Switch off the power to the unit and open the main disconnecting device. Close
2. Let the intermediate circuit DC capacitors discharge for five minutes. Ensure by
3. Extract the module to be serviced from the cabinet. Follow the directions given
4. Fasten the air baffle provided with the unit to the top module guide to block
5. Close the cabinet doors.
6. Switch on the auxiliary control voltage of the drive.
7. Switch the panel from DSU communication to inverter communication. The
8. Make the necessary parameter adjustments in the drive firmware. Refer to the
Maintenance
the grounding switch (option +F259) if there is one.
measuring that the drive is not live before starting the work.
on page 89.
airflow through the empty module bay. The installation principle is described on
page 110.
supply and inverter units are connected to the same panel through a panel link.
The panel communicates with either one at the time. The switching is instructed
in chapter Control panel in the Firmware manual of the drive application
program.
appropriate Firmware manual of the drive application program. For example, if
the ACS800 standard control program is in use, decrease the number of parallel
inverter modules to the appropriate value by parameter 95.03 INT CONFIG.
Safety instructions. Ignoring