ABB ACS880-17 - Replacing the Drive Module Main Fans (Frame R11)

Maintenance 137
 Replacing the drive module main fans (frame R11)
WARNING! Obey the safety instructions in chapter Safety instructions. If
you ignore them, injury or death, or damage to the equipment can occur.
1. Stop the drive and do the steps in section Electrical safety precautions on page 16
before you start the work.
2. To remove the marine supports in drives with option +C121
, see Replacing the drive
and LCL filter modules (frame R11) on page 144.
3. To open the module section swing-out frame, undo the M10 bolts from top and bottom
(4 pcs). See Replacing the drive and LCL filter modules (frame R11) on page 144
4. Disconnect the power supply wires of the fans from the connectors FAN1:PWR1 and
FAN2:PWR2.
Note: 690 V R11 drive modules have only one fan in the cassette.
5. Undo the mounting screws of the fan cassette.
6. Pull the fan cassette out.
7. Undo the mounting screws of the fan(s). The finger guard of the fan is attached by the
same screws and is removed at the same time. Keep the finger guard for reuse.
8. Install the new fans in reverse order to the above. For 690 V drive modules
, connect
the fan power supply wires to connector FAN1:PWR1. For the other drive modules,
connect the power supply wires to both FAN1:PWR1 and FAN2:PWR2.
9. Close the swing-out frame, reinstall the 4 screws and marine supports (option +C121
)
and close the cabinet doors.
10. Reset the counter (if used) in group 5 in the primary control program.