iiiTable of ContentsImportant Safety Instructions ........................................................................................................................ iElectrical Safety ......................................................................................................................................... iMechanical Safety ...................................................................................................................................... iBattery Safety ........................................................................................................................................... iUnit Location ............................................................................................................................................. iiCheck for Damages ................................................................................................................................... iiReturns for Service .................................................................................................................................... iiInspection Checklist ................................................................................................................................... iiHandling ................................................................................................................................................... iiTable of Contents ........................................................................................................................................ iii1 Overview .............................................................................................................................................. 11.1 Introduction .............................................................................................................................. 11.2 Model Number Description ......................................................................................................... 11.3 Features ................................................................................................................................... 11.4 Work Principles ......................................................................................................................... 11.5 Configurations ........................................................................................................................... 22 Components ......................................................................................................................................... 22.1 Appearance ............................................................................................................................... 22.2 DCD – DC Distribution Panel ...................................................................................................... 22.3 DCR – Rectifier .......................................................................................................................... 32.4 DCSC – System Controller .......................................................................................................... 52.5 DCU – User Interface Module ..................................................................................................... 73 Installation ..........................................................................................................................................103.1 Installation Preparations ...........................................................................................................103.1.1 Tools ................................................................................................................................103.1.2 Requirements for Cable Routing .........................................................................................103.1.3 Unpacking and Acceptance ................................................................................................113.2 Installing the Subrack ...............................................................................................................113.2.1 Installing the Subrack into a 19-Inch Rack ..........................................................................113.2.2 Installing Subrack into a 23-Inch Rack ................................................................................123.3 Installing Components ..............................................................................................................133.3.1 Installing Rectifier .............................................................................................................133.3.2 Installing Circuit Breaker ....................................................................................................133.4 Installing a Ground Cable ..........................................................................................................153.5 (Optional) Installing Dry Contact Signal Cables ...........................................................................153.6 Installing Communication Cables ...............................................................................................163.7 Installing DC Output Power Cables ............................................................................................163.8 Installing Battery Cables ...........................................................................................................163.9 Reinstalling AC Dual-Live Wire Input Power Cables .....................................................................173.9.1 Installing AC Input Ground Cable .......................................................................................173.9.2 Installing AC Input Power Cable .........................................................................................184 Verifying the Installation .......................................................................................................................21