ABB ACH550-UH-011A-6 User Manual page 396

ACH550-01 User's Manual
Internal enclosure fan replacement
IP54 / UL Type 12 enclosures have an additional internal fan to
circulate air inside the enclosure.
Frame sizes R1...R4
To replace the internal enclosure fan in frame sizes R1 to R3
(located at the top of the drive) and R4 (located in front of the
drive):
1. Remove power from the drive.
2. Remove the front cover.
3. The housing that holds the fan
in place has barbed retaining
clips at each corner. Press all
four clips toward the centre to
release the barbs.
4. When the clips/barbs are free,
pull the housing up to remove
from the drive.
5. Disconnect the fan cable.
6. Install the fan in reverse order,
noting that:
• the fan air flow is up (refer to
the arrow on the fan)
• the fan wire harness is
toward the front
• the notched housing barb is
located in the right-rear
corner
• the fan cable connects just
forward of the fan at the top
of the drive.
Frame sizes R5 and R6
To replace the internal enclosure fan
in frame sizes R5 or R6:
1. Remove power from the drive.
2. Remove the front cover.
3. Lift the fan out and disconnect the cable.
4. Install the fan in reverse order.
5. Restore power.
Diagnostics and maintenance
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R1...R3
4
3
5
R4
5
4
3
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