ABB ACS880-01 Installation Manual page 66

66 Mechanical installation for ACS580-01, ACH580-01 and ACQ580-01
Note for frames R0...R5, P21:
• If you use the IP21 cover with the flange mounting kit, install an internal fan (sold
separately) to the drive or remove the IP21 cover for ventilation (f).
• If you install an IP21 drive in dry environment, you can leave the cover in place
but DO NOT insert the sealing plug.
• Frame R5 has an internal fan. With R5, you can leave the cover in place.
Note: Save the
f screw!
1.5 N·m