10 PREVENTIVE AND CORRECTIVE MAINTENANCE
3BHS212794 E01 REV M
ACS6000
USER MANUAL
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4.
When the door is open, turn the release dial to the locked position.
5.
Tighten the locking screw.
6.
Seal the locking screw.
7.
Refit the screw cap.
8.
To ground the drive, continue with “10.4.8 Connecting a grounding
set” on page 242.
10.4.8
Connecting a grounding set
Figure 10-13 Four-way grounding set
Depending on the type of line-side rectifier, continue with:
• “10.4.8.1 Drives with LSU” on page 243
• “10.4.8.2 Drives with ARU” on page 244
▲
DANGER
⚠
Hazardous voltages!
Grounding equipment ensures that FATAL voltages cannot be fed into the
drive from the main power supply or the motor during maintenance work,
eg, the removal of phase modules.
• Connect grounding equipment at the appropriate locations.
(1) Busbar ground clamps
(2) Enclosure ground clamp
(3) Telescopic insulating pole
1
2
3