ABB ACS580-01 +C135 Series Original Instructions Manual page 21

3. For IP21 (UL Type 1): Reinstall the fan assembly.
4. For IP21 (UL Type 1): To install the internal fan, see the hardware manual section
Replacing the auxiliary cooling fan, IP55 (UL Type 12) frames R1 ...R2 or
Replacing the auxiliary cooling fan, IP55 (UL Type 12) frame R3.
5. For IP 55 (UL Type 12): The cover can only be in position for frame R3 but must
be removed from frames R1 ...R2. To remove the cover, remove the tightening
screws with a T20 Torx screwdriver (a). Lift the cover up (b) and lift it off (c).
Recycle the cover according to
recycling instructions and environmental information (3AXD50000040612
[English]).
Mechanical installation – Frames R1 to R3 21
ACS580-01, ACQ580-01 and ACH580-01 drives
a
b
c