10.6.5.2 Safety-Switch Settings - ABB ACS5000 User Manual

For the safety switches to work and to be able to open the doors, auxiliary
power supply is required.
If the auxiliary power supply is unavailable and the doors are closed, you
can only open them by unlocking the safety switch manually.

10.6.5.2 Safety-switch settings

(1) Release dial
(2) Unlocked position: enables
opening the door of a medium
voltage unit whether the auxiliary
voltage is switched on or off.
Unlocking
1. To access the release dial (2), remove the screw cap (1) from the door.
2. Turn out the locking screw (1) until the release dial can be turned.
3BHS799208 E01 REV E
1
2
Figure 10-7 Safety switch
(3) Locked position: Normal
PZ0
ACS5000 WATER-COOLED USER MANUAL
10 PREVENTIVE AND CORRECTIVE MAINTENANCE
3
operating setting
To open the door of a medium
voltage unit, the DC link must be
discharged and the auxiliary
voltage must be switched on.
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1
2
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