ABB ACH550-01 - Technical Data; What this chapter contains; Ratings

390 Diagnostics and maintenance
ACH550-01 User's Manual
Main fan replacement (frame size R6)
To replace the fan:
1. Disconnect the
drive from main
power.
2. Remove the
screw attaching
the fan casing
and let the casing
lean down
against the
limiters.
3. Slide out the
cable connector
and disconnect it.
4. Take off the
casing and
replace the fan
onto the casing’s
pins.
5. Reinstall the
casing in reverse
order.
6. Restore the
power.
2
4
3
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