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)
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
R5, IP21, UL Type 1
R5, IP21, UL Type 1