ABB ABB Enclosed Variable Speed/Frequency Drive ACS880-07-0174A-7 ACS880-07-0174A-7

Warning: This procedure requires trained personnel with PPE!

Check if the mission time of functional safety components is expired

If the mission time is expired, proceed with the following steps

Note: Renewal is economical only with larger drives that have replaceable circuit boards and other components such as relays.

Check if the renewed components are functioning properly

Sign off on the safety component replacement

WARNING! Obey the safety instructions of the drive. If you ignore them, injury or death, or damage to the equipment can occur. If you are not a qualified electrical professional, do not do installation, commissioning or maintenance work.

WARNING! Use a vacuum cleaner with antistatic hose and nozzle, and wear a grounding wristband. Using a normal vacuum cleaner creates static discharges which can damage circuit boards.

Drive stopped and electrical safety precautions followed

Interior of the cabinet cleaned using a vacuum cleaner and a soft brush

Air inlets of the fans and air outlets of the modules (top) cleaned

Air inlet gratings (if any) on the door cleaned

Sign off on the cleaning procedure

WARNING! Obey the safety instructions of the drive. If you ignore them, injury or death, or damage to the equipment can occur. If you are not a qualified electrical professional, do not do installation, commissioning or maintenance work.

Drive stopped and electrical safety precautions followed

Front grating lifted upwards and removed

Fastening screws of the front plate loosened and plate removed

Mounting screws of the fan loosened

New fan installed in reverse order

Sign off on the fan replacement

WARNING! Obey the safety instructions of the drive. If you ignore them, injury or death, or damage to the equipment can occur. If you are not a qualified electrical professional, do not do installation, commissioning or maintenance work.

WARNING! Make sure that the cabinet is secured to the floor. If not, the cabinet can topple over when the heavy drive module is slid forward in front of the cabinet. This can cause injury or death, and damage to the equipment.

Stop the drive and do the steps in section Electrical safety precautions before you start the work.

For drives with options +L505 and +L506: Remove the shroud.

For drives with options +L505 and +L506: Remove the Pt100 and thermistor relay mounting plate by loosening the two mounting screws and lifting the mounting plate up.

Remove the drive module main fan.

Undo the screws on the right-hand side of the swing-out frame.

Undo the hinge screw at the top and bottom of the swing-out frame to enable the frame to open aside far enough.

Unplug the control wire terminals at the right-hand side of the cabinet.

Check the dustiness of the air inlet meshes

If the dust cannot be removed by vacuum cleaning from outside through the grating holes with a small nozzle, proceed as follows:

Stop the drive and do the steps in section Electrical safety precautions before you start the work.

Remove the fasteners at the top of the grating.

Lift the grating and pull it away from the door.

Place the new filter mat in the grating the metal wire side facing the door.

Reinstall the grating in reverse order.

Sign off on the filter replacement