G-Tec LibraPro - Page 8

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4.2 Electrical system set-up ................................................................................................ 37
4.2.1 Input ................................................................................................................................................. 37
4.2.2 Differential....................................................................................................................................... 37
4.2.3 Emergency power off device (EPO) ................................................................................................. 37
4.2.4 External maintenance by-pass. ........................................................................................................ 38
4.3 Mains, load and battery connections ........................................................................... 39
4.3.1 UPS AC input / output power connection ........................................................................................ 39
4.3.2 Power connections battery side. ...................................................................................................... 40
4.4 Connection of signals ................................................................................................... 42
4.5 Start-up procedure ....................................................................................................... 45
4.6 Operating modes .......................................................................................................... 46
4.7 By-pass for maintenance .............................................................................................. 48
5. MAINTENANCE ................................................................................................ 52
6. GENERAL CHARACTERISTICS ........................................................................... 54
7. APPENDIX A - REMOTE COMMANDS AND ALARMS CARD - ................................ 56