GE Digital Energy LP 33 Installation Manual

Also see for Digital Energy LP 33 Series: Operating manual Operating manual Operating manual Operating manual

Digital Energy™ gOPM_LPS_3UI_10K_20K_0US_V010.doc 19/38 Installation Guide LP 33 / 10 - 20 kVA3.7 ELECTRICAL WIRINGUPS installation and connection must be performed by QUALIFIED SERVICEPERSONNEL only.It is the responsibility of the installation technician to ensure that all local andnational electric codes are adhered to.3.7.1 Utility input connectionEnsure that the AC and DC external isolators are OFF and locked out to preventtheir inadvertent 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 grounding wire.The UPS has available input terminations for the Rectifier and Bypass.The unit may be powered from a common input source or separate input sources (option).Common input Rectifier & BypassFig. 3.7.1-1 Common Input Rectifier & BypassThe same power source is to be used forboth Bypass Supply and Rectifier Input(input F1).Bear in mind that when the Utility Fuses areopened there is a supply failure to theRectifier as well as to the Bypass andManual Bypass.Separate input Rectifier & Bypass (option)Fig. 3.7.1-2 Separate Input Rectifier & Bypass (option)The Bypass and Rectifier inputs are to bepowered from different Utility supplies (F2and F3 inputs).In this case, when the Rectifier Input Fusesare opened, the Bypass and the ManualBypass are supplied by the other source.