Maintenance; Out Of Service, Demounting And Waste Disposal - KEB COMBIVERT M4 Instruction Manual

Out of Service, Demounting and Waste Disposal

8.

Maintenance

No extraordinary maintenance is required.
9. Out of Service, Demounting and Waste Disposal
1. ensure standstill of the drive – frequency inverter
2. deactivate control – COMBIVERT M4, terminal ST
3. disconnect mains – main contactor
When demounting the COMBIVERT M4 please pay special attention to the
capacitor discharge time!
Danger to Life
Before starting to work, the safe isolation from supply must be verified with
measurements in the system!
All installation and connection work must be done when the system is switched
off!
The intermediate circuit capacitors are still charged with high voltage for a short
period of time. The unit can be worked on again, after it has been switched off for
5 minutes.
The COMBIVERT M4 does not contain PCB elements.
The waste disposal items must be given to a special waste disposal!
GB - 37