Modifications reserved Page 4/79OPM_SGS_USM_M22_M30_2US_V010.doc User Manual SG Series 225 & 300 UL S2PrefaceCongratulations on your choice of a SG Series Uninterruptible Power Supply (UPS). It willhelp eliminate Load disturbances due to unexpected power problems.This Manual describes the function of the UPS module, the purpose and location of theswitches, the meaning of the system events related to the front panel indication, andprovides procedures for starting and stopping the equipment.Please refer to the accompanying Installations Guide, which describes how to prepare theinstallation site, and it provides weight, dimensions and procedures for moving, installingand connecting the UPS.While every care has been taken to ensure the completeness and accuracy of this manual,GE assumes no responsibility or liability for any losses or damages resulting from the useof the information contained in this document.WARNING!SG Series 225 & 300 is a product that needs to be installed by a licensed andknowledgeable contractor.We recommend that this manual be kept next to the UPS for future references.If any problems are encountered with the procedures contained in this manual, pleasecontact your Service Center before you proceed.This document shall not be copied or reproduced without the permission of GE.Some of the information contained in this manual may be changed without notice toreflect technical improvements.Safety instructionsRead the safety instructions contained on the following pages carefully before theinstallation of the UPS, options and battery system.Pay attention to the rectangular boxes included in the text:They contain important information and warning concerning electrical connections andpersonnel safety.Parallel version secured with RPAWhen included in the text, this symbol refers to operation neededonly for parallel system.