Installing and Wiring Option Boards2- 33 InstallationBefore mounting an option board, remove the terminal cover and be sure that the charge indicator inside theInverter is not lit. After confirming that the charge indicator is not lit, remove the Digital Operator and frontcover and then mount the option board.The side of the front cover of the Inverter for 200/400 V Class 0.4 to 5.5 kW can be cut out as described in Fig2.25 to make wiring of the option board easy. If the side of the front cover is cut out, the protective structurewill be open chassis (IEC IP00).Refer to documentation provided with the option board for actual mounting instructions for option slots A, C,and D. Preventing C and D option board Connectors from RisingAfter installing an option board into slot C or D, insert an option clip to prevent the side with the connectorfrom rising. The option clip can be easily removed by holding onto the protruding portion of the clip and pull-ing it out.Remove the option clip before installing an option board into slot C or D. The option board cannot be installedcompletely and may not function property if it is installed with the option clip attached.Fig 2.24 Mounting option boardsFig 2.25 Cutting the Front CoverCut out the slits on the front cover with nippers. Be careful to avoid injury.A option board mounting spacer hole4CNA option board connector2CNC option board connectorA option board mounting spacer(Provided with A option board.)Option clip(To prevent raising ofC and D option boards)3CND option board connectorA option board A option board mounting spacerD option board mounting spacerC option board mounting spacerD option boardC option boardSlitFront Cover
