GE D25 User Manual

Contents

GE D25 User Manual Manual pdf 143 page image

GE Grid Solutions D25User's ManualGE Information 994-0081-3.00-21 143Reconnecting PowerProcedure:ReconnectingPowerIf you have disconnected power for upgrade or replacement work, then followthese steps to reconnect the power source:Step Action1 Unscrew the terminal block cover. Set screws aside.2 Remove the terminal block cover.3 If using DC power supply, connect the DC power supply,observing the correct polarity, to the +/L and -/N connection pointson the terminal block TB1.4 If using AC power supply, connect the AC line connection to the+/L connection point, and AC neutral connection to the -/Nconnection points on the terminal block.5 Connect protective ground wire to the ground stud on therear panel identified by this symbol:Tighten the ground stud to a torque value between 4.2 to5.0 in-lb [0.475 to 0.565 Nm].Connect the protective ground stud before operating theD25.Note: The ground wire must be the largest gauge of allwires used for field termination.A 12 AWG green and yellow wire isrecommended.6 Replace terminal block cover!Power SourcePrecautions• Power Source must be from a branch circuit that is protected by no more than a15 Amp breaker• Do not use wire larger than 14 AWG for the power connections.• Auxiliary Ground terminal at the power supply terminal block must not be usedas a safety ground connection.!GroundingMake sure that the metal case is grounded at the protective ground studlocated at the top-left corner of the rear of the enclosure.Connection must be provided with separate green/yellow wire connectedbetween the D25 and the protective earth system of the facility.