ABB ACS580-01 +C135 Series - Page 37

3. For R4, IP21 (UL Type 1): Reinstall the fan assembly
4. For R4, IP21 (UL Type 1): To install the internal fan for IP21 drives, first remove
the covers.
R4, IP21 (UL Type 1)
R5, IP21, UL Type 1
R5, IP21, UL Type 1
To install the fan, see section Replacing the auxiliary cooling fan, IP55 (UL Type
12) frame R4; IP21 and IP55 (UL Type 1 and UL Type 12) frame R5 in the Hardware
manual.
Mechanical installation – Frames R4 and R5 37