INVT GD200A-004G-4, Руководство по эксплуатации

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GD200A series VFD Fault tracking
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1. Stop the VFD and disconnect it from the AC power source and wait for at least the time
designated on the VFD.
2. Lever the fan holder off the drive frame with a screwdriver and lift the hinged fan holder slightly
upward from its front edge.
3. Loose the fan cable from the clip.
4. Disconnect the fan cable.
5. Remove the fan holder from the hinges.
6. Install the new fan holder including the fan in reverse order. Keep the wind direction of the fan
consistent with that of the VFD, as shown below:
Rotation
direction
Wind
direction
Wind
direction
Rotation
direction
Wind
direction
Wind
direction
Figure 8-1 Fan maintenance diagram for VFDs
7. Restore power.
8.8.3 Capacitors
8.8.3.1 Reforming the capacitors
The DC bus capacitors must be reformed according to the operation instruction if the VFD has been
stored for a long time. The storing time is counted form the producing date other than the delivery
data which has been marked in the serial number of the VFD.
Time Operational principle
Storing time less than 1 year Operation without charging
Storing time 1-2 years Connect with the power for 1 hour before first ON command
Storing time 2-3 years
Use power surge to charge for the VFD
 Apply 25% rated voltage for 30 minutes
 Apply 50% rated voltage for 30 minutes
 Apply 75% rated voltage for 30 minutes
 Apply 100% rated voltage for 30 minutes
Storing time more than 3 years
Use power surge to charge for the VFD
 Apply 25% rated voltage for 2 hours
 Apply 50% rated voltage for 2 hours
 Apply 75% rated voltage for 2 hours
 Apply 100% rated voltage for 2 hours