ABB ACH550-PCR User Manual

Also see for ACH550-PCR: Installation, operation & maintenance manual User manual

Contents

ABB ACH550-PCR User Manual Manual pdf 3 page image

ACH550-PCR/PDR Packaged Drive with Disconnect 1SafetySafetyWARNING! The ACH550 adjustable speed AC drive with Input Disconnectshould ONLY be installed by a qualified electrician.WARNING! Even when the motor is stopped, dangerous voltage is present atthe Power Circuit terminals U1, V1, W1 and U2, V2, W2 and, depending on theframe size, UDC+ and UDC-, or BRK+ and BRK-.WARNING! Dangerous voltage is present when input power is connected.After disconnecting the supply, wait at least 5 minutes (to let the intermediatecircuit capacitors discharge) before removing the cover.WARNING! Even when power is removed from the input terminals of theACH550, there may be dangerous voltage (from external sources) on theterminals of the relay outputs.WARNING! When the control terminals of two or more drive units areconnected in parallel, the auxiliary voltage for these control connections mustbe taken from a single source which can either be one of the units or anexternal supply.WARNING! The ACH550 will start up automatically after an input voltageinterruption if the external run command is on.WARNING! When the ACH550 with Input Disconnect is connected to the linepower, the Motor Terminals T1, T2, and T3 are live even if the motor is notrunning. Do not make any connections when the ACH550 with InputDisconnect is connected to the line. Disconnect and lock out power to thedrive before servicing the drive. Failure to disconnect power may causeserious injury or death.Note! For more technical information, contact the factory or your local ABB salesrepresentative.Use of Warnings and NotesThere are two types of safety instructions throughout this manual:• Notes draw attention to a particular condition or fact, or give information on asubject.• Warnings caution you about conditions which can result in serious injury or deathand/or damage to the equipment. They also tell you how to avoid the danger. Thewarning symbols are used as follows:Dangerous voltage warning warns of high voltage which can cause physicalinjury and/or damage to the equipment.