Note: The recommended free space above and below the drive is for installations
where the drive is mounted on a wall indoors. For ABB cabinet-built drives, which
are thermally tested and approved for a specified temperature range, free space
could vary from this recommendation.
Note: IP21 (UL Type 1) frames R1…R2: The cover fastening clips can be removed
to make the front cover opening easier.
Note: IP55 (UL Type 12) frames R1…R2: Auxiliary fan maintenance cannot be
performed without removing every second drive from installation to get access to
the fan.
Mechanical installation 57
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