ABB ACS255 User Manual

Also see for ACS255: User manual User guide

Contents

ABB ACS255 User Manual Manual pdf 17 page image

184.7. Guidelines for mounting (IP66 Units) Before mounting the drive, ensure that the chosen location meets the environmental condition requirements for the drive shown insection 11.1. The drive must be mounted vertically, on a suitable flat surface The minimum mounting clearances as shown in the table below must be observed The mounting site and chosen mountings should be sufficient to support the weight of the drivesY XXDriveFrameSizeXAbove &BelowYEitherSidemm in mm in2 200 7.87 10 0.393 200 7.87 10 0.39Note :Typical drive heat losses are approximately 3% ofoperating load conditions.Above are guidelines only and the operatingambient temperature of the drive MUST bemaintained at all times.Cable Gland SizesDriveFrameSizePowerCableMotorCableControlCables2 M25(PG21)M25(PG21)M20(PG13.5)3 M25(PG21)M25(PG21)M20(PG13.5) Using the drive as a template, or the dimensions shown above, mark the locations required for drilling Suitable cable glands to maintain the ingress protection of the drive are required. Gland holes for power and motor cables are pre-moulded into the drive enclosure, recommended gland sizes are shown above, glandholes for control cables may be cut as required.4.8. Removing the Terminal CoverFrame Sizes 2 & 3Using a suitable flat blade screwdriver, rotate the two retainingscrews indicated until the screw slot is vertical.4.9. Routine MaintenanceThe drive should be included within the scheduled maintenance program so that the installation maintains a suitable operating environment,this should include: Ambient temperature is at or below that set out in the “Environment” section on page 59. Heat sink fans freely rotating and dust free. The Enclosure in which the drive is installed should be free from dust and condensation; furthermore ventilation fans and air filtersshould be checked for correct air flow.Checks should also be made on all electrical connections, ensuring screw terminals are correctly torqued; and that power cables have no signs ofheat damage.X