ACS510 User’s Manual 209
Maintenance
Internal Enclosure Fan Replacement
IP54 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 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 center 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 arrow on 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:
• Remove power from drive.
• Remove the front cover.
• Lift the fan out and disconnect the cable.
• Install the fan in reverse order.
• Restore power.
Capacitors
Reforming
The drive DC link capacitors need to be reformed (re-aged) if the drive has been
non-operational for more than one year. Without reforming, capacitors may be
damaged when the drive starts to operate. It is therefore recommended to reform the
capacitors once a year.
For information on reforming the capacitors, refer to Guide for Capacitor Reforming
in ACS50/150/350/550 [3AFE68735190 (English)], available on the Internet (go to
www.abb.com
and enter the code in the Search field).
Supplied from China by: Guangzhou Tofee Electro Mechanical Equipment Co., Ltd
Email: info@tofee.com.cn
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