14- Electrical connections should be made by a qualified electrician.- The power plug must have an easy access.- If permanent connection is made unit must be equipped with an externalswitch providing all pole disconnection.- Keep the mains disconnected during installation.INTERNAL CONNECTIONSDC supply back-upWhen not mains operated, or for back-up supply, the external 24 VDC (min. 3A) supply can be connected to X1connectors 2 and 3. Connect + from DC supply back-up to X1 connector 2 and GND to X1 connector 3. No batterycharging or maintenance is provided by DA460.whitebrownwhitebrownI0LNTo motorredblackAsentoanturiMain switchAUTO: red & blackMAN: NCOPEN: blue & blackX4X2X60VDCACPEblackX1+ 24V backup+ 24V inX5whitebrownwhiteExternal power supply unit+24VDC, min 3AredblackblueAUTOMANOPENSafetysensor-unitMode switchCU