22 Mechanical installation – Frames R1 to R3
3. Reinstall the fan assembly.
IP21 (UL Type 1)
4. To install the internal fan for IP21 drives, 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) frames R3.