Kruger Ecowatt K320 Series Operation Manual page 284

Ecowatt Drive K320 series
®
Power supply
380 V
8.4.2 Electrolytic capacitor replacement
 Read the "Safety precautions" carefully and follow the instructions to
perform operations. Otherwise, physical injuries or damage to the device
may be caused.
The electrolytic capacitor of the VFD must be replaced if it has been used for more than 35,000
hours. For details about the replacement, contact the local Kruger office.
8.5 Power cable
 Read the "Safety precautions" carefully and follow the instructions to
perform operations. Otherwise, physical injuries or device damage may be
caused.
1. Stop the VFD, disconnect the power supply, and wait for a time no shorter than the
waiting time designated on the VFD.
2. Check the connection of the power cables. Ensure that they are firmly connected.
3. Power on the VFD.
Resistor 1 KΩ/100 W
Resistor 1 KΩ/100 W
Resistor 1 KΩ/100 W
Figure 8-2 Charging circuit example of driving devices
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Maintenance
R U
S
VFD V
T W