:
power surge to charge
Use power surge to charge
Use power surge to charge
number
The DC bus capacitors must be reformed according to the operation instruction if
diagram
consistent with that
designated.
. Stop and disconnect it from the AC
Fault Tracking
125
8.8.2.1 Replacing the cooling fan
Read and follow the instructions in chapter
Safety Precautions
. Ignoring
the instructions would cause physical injury or death, or damage to the
equipment.
1
power source and wait for at least the time
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
, as shown below:
Rotation
direction
Wind
direction
Wind
direction
Rotation
direction
Wind
direction
Wind
direction
Fan maintenance
7
. Restore power.
8.8.3 Capacitors
8.8.3.1 Reforming the capacitors
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
.
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
• 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
• 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
The method of using