ABB ACS2000 DFE User Manual page 155

CHAPTER 10 – PREVENTIVE AND CORRECTIVE MAINTENANCE
Using the phase module replacement kit
—
References
—
Replacing a phase module
10-15 Using the phase
module replacement kit
The replacement procedure is basically the same
for DFE and INU phase modules. Steps which are
only applicable for INU phase modules are marked
accordingly.
1. Disconnect all power supplies to the drive and
ground the drive.
For further information, see
ing the drive
!
Hazardous voltages!
When a phase module is removed from the cabinet,
the grounding path between grounding switch and
PE ground busbar is interrupted.
For this reason, connect grounding equipment at
the appropriate locations. The grounding
equipment ensures that hazardous voltages
cannot be fed into the drive from the main power
supply or the motor.
(Only for replacement of INU phase modules of
2.
2 to 4MVA drives)
the cantilever on the cabinet roof; attach the
lifting hoist and lifting brackets appropriate to
the phase module to be replaced (see
10-15).
1
5
4
7
or
—
10-15
10.6.3 De-energiz-
locally.
DANGER
Install the mounting tray and
The module rails
phase module.
Similarly for the module trays
• The support tray
onto the cabinet roof, on the
DFE-INU compartment.
6 • The cantilever
the support tray (4).
• The lifting hoist
the bolt eye of the cantilever.
• The appropriate lifting brackets
(7 or 8)
hoist (6).
8
3. Remove the acrylic cover.
4. Remove the screws on both sides of the phase
module.
10-14 and
(1) are slid under the
(2) and (3).
(4) is installed
(5) is fastened to
(6) is attached to
are attached to the lifting
10 mm
225 mm
13 mm
155