ebm-papst A3G710-AO81-03 Operating Instructions Manual

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ebm-papst A3G710-AO81-03 Operating Instructions Manual Manual pdf 7 page image

Operating instructionsA3G710-AO81-03Translation of the original operating instructionsCAUTIONElectric shockVoltage on metal part→ Use the device only with the cable guard and terminal boxintended for it.NOTEDevice malfunctions possibleRoute the device's control lines separately from the supply line.→ Maintain the greatest possible clearance.Recommendation: clearance > 10 cm (separate cablerouting)NOTEWater ingress into wires or cablesWater ingress at the customer end of the cable can damage thedevice.→ Make sure the end of the cable is connected in a dryenvironment.Only connect the device to circuits that can be switched off withan all-pole disconnection switch.4.2.1 Requirements; Check whether the data on the nameplate match the connection data.; Before connecting the device, make sure the power supply matchesthe device voltage.; Only use cables designed for the current level indicated on thenameplate.For determining the cross-section, note the sizing criteria accordingto EN 61800-5-1. The protective earth must have a cross-sectionequal to or greater than that of the phase conductor.We recommend the use of 105 °C cables. Ensure that the minimumcable cross-section is at leastAWG 26 / 0.13 mm².Ground conductor contact resistance according to EN 61800-5-1Compliance with the impedance specifications according to EN 61800-5-1 for the protective earth connection circuit must be verified in the endapplication.Depending on the circumstances of installation, it may be necessary toconnect an additional protective earth conductor to the extra protectiveearth terminal on the device.The protective earth terminal is on the housing and has a groundconductor symbol and a bore hole.4.2.2 Supply connection and fusesAssignment of supply cable cross-sections and their required fuses (lineprotection only, no equipment protection).NominalvoltageFuse AutomaticcircuitbreakerCablecross-sectionCablecross-sectionVDE UL VDE mm² *AWG3/PE AC380-480VAC16 A 15 A C16A 1.52.516* AWG = American Wire Gauge4.2.3 Reactive currentsBecause of the EMC filter integrated for compliance with EMClimits (interference emission and immunity to interference),reactive currents can be measured in the supply line evenwhen the motor is at a standstill and the line voltage is switchedon.● The values are typically less than 250 mA.● At the same time, the effective power in this operating state(operational readiness) is typically < 5 W.4.2.4 Residual current circuit breaker (RCCB)Only universal residual current devices (type B or B+) areallowed. As with variable frequency drives, residual currentdevices cannot provide personal safety while operating thedevice.When the device's power supply is switched on, pulsedcharging currents from the capacitors in the integrated EMCfilter can lead to the residual current devices tripping withoutdelay. We recommend the use of residual current circuitbreakers with a trip threshold of 300 mA and delayed tripping(super-resistant, characteristic K).4.2.5 Leakage currentFor asymmetrical power systems or if a phase fails, theleakage current can increase to a multiple of the nominal value.4.2.6 Locked-rotor protectionDue to the locked-rotor protection, the starting current (LRA) isequal to or less than the nominal current (FLA).4.3 Connection in terminal box4.3.1 Preparing cables for connectionOnly strip the cable as far as necessary, ensuring that the cable gland issealed and there is no strain on the connections. For tightening torques,see Chapter 3.1 Product drawing.NOTETightness and strain relief are dependent on the cableused.→ This must be checked by the user.Fig. 1: Recommended stripped lengths in mm (inside terminal box)Legend: CL = control linesItem no. 50442-5-9970 · ENU · Change 89187 · Approved 2016-04-14 · Page 7 / 12ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com