62Contents1. Introduction ....................................................................................................... 631.1 Environmental protection ..................................................................... 631.2 Electronic equipment protection .......................................................... 642. Presentation ...................................................................................................... 672.1 UPS Modular......................................................................................... 672.2 EBM(External Battery Modular) ............................................................ 682.3 MBP(Maintenance Bypass modular) .................................................... 693. Mechanical installation ..................................................................................... 723.1 Unpacking and inspection .................................................................... 723.3 Mechanical installation ......................................................................... 744. Wiring for AC Cable ........................................................................................... 784.1 Input/Output wiring............................................................................... 794.2 Wiring with external battery modular (EBM) ........................................ 904.3 Wiring with single MBP ......................................................................... 925.Parallel UPS install............................................................................................. 935.1 Parallel UPS installation........................................................................ 945.2 wiring .................................................................................................... 946. Communication ports ....................................................................................... 997. Operation interface ......................................................................................... 1017.1 Control panel....................................................................................... 1017.2 Touch screen........................................................................................ 1027.3 Operation ............................................................................................ 1057.4 UPS Operation .................................................................................... 1118. Battery maintenance ....................................................................................... 1169. Troubleshooting............................................................................................... 11710. Appendix: General specification .................................................................. 119