Critical PowerModifications reserved Page 46/146GE_UPS_OPM_TLE_SCE_M60_M80_1GB_V020.docx User Manual TLE Series 600 & 800 CE S15.8 ELECTRICAL WIRINGWARNING !UPS installation and connection must be performed by QUALIFIED SERVICEPERSONNEL only.Refer to the “Safety prescriptions - Installation” described on Section 1.5.8.1 Mains input connectionNOTE !Ensure that the AC and DC external isolators are OFF and locked out to prevent theirinadvertent operation.Do not apply power to the equipment prior to the commissioning by a QUALIFIEDSERVICE ENGINEER.Before any other input connection, connect and check the earthing wire.The Mains input power connection can be common or separate for Bypass supply and Rectifier input,depending on the electrical system provided by the customer.Common mains input Rectifier & BypassFig. 5.8.1-1 Common mains input Rectifier & BypassThe same power source is to be used for bothBypass supply and Rectifier input (input F3).Bear in mind that when the Mains fuses areopened there is a supply failure to the Rectifieras well as to the Automatic Bypass andManual Bypass switch (only if provided bycustomer).In this case, the interconnection links BR1, BR2 and BR3 on the input bus bars MUSTREMAIN CONNECTED. See Fig. 5.9.1-1 and 5.9.3-1.Separate mains input Rectifier & BypassFig. 5.8.1-2 Separate mains input Rectifier & BypassThe Bypass and Rectifier use different powersources (F1 and F2 inputs).In this case, when the Rectifier-input fuses areopened, the Automatic Bypass and theManual Bypass (only if provided by customer)are supplied by the other connection.In this case, the interconnection links BR1, BR2 and BR3 on the input bus bars MUSTBE REMOVED. See Fig. 5.9.2-2 and 5.9.4-2.Connect a single input Neutral to Bypass Mains (inside the UPS, common Neutral forBypass and Rectifier).
