Electrical Installation 2 - 31 InstallationBefore mounting an Option Board, remove power from the Drive and wait for the CHARGE LED to go out. Remove theDigital Operator, front cover, and option clip. Option Clip can be easily removed by squeezing the protruding portions of theclip and then pulling it out. Then, mount the Option Board(s).The A Option Board uses a mounting spacer to secure the board to the control board. Insert the mounting spacer as shown inFig 2.16.After installing an Option Board into slot C or D, insert the Option Clip to prevent the side with the connector from rising.Refer to documentation provided with the Option Board for detailed mounting instructions for option slots A, C, and D.Fig 2.16 Mounting Option Boards4CN (A Option Board connector)C Option Board3CNMounting spacerD Option BoardMounting spacerA Option BoardMounting spacerA Option BoardA Option Board mounting spacer hole2CN (C Option Board connector)A Option Boardmounting spacer(Provided withA Option Board)(D OptionBoardconnector)(Note: C or D Option Boardmust be mounted before mountingA Option Board)Option Clip(To preventraising ofC or DOption Board)