Table of Contents1. Brief introduction1.1 System and model description---------------------------------------------------------------------11.2 Description of commonly used symbols---------------------------------------------------------21.3 Appearance---------------------------------------------------------------------------------------------31.4 Product specification and performance----------------------------------------------------------4l General specificationl Electric performancel Operating environment2. Installation2.1 Unpacking & Inspection-------------------------------------------------------------------------- ---52.2 Input and output power cords and protective earth installation----------------------------52.3 Operating procedure for connecting the long backup time model UPS with theexternal battery ---------------------------------------------------------------------------------------82.4 Parallel operation--------------------------------------------------------------------------------------93. Operation and operating mode3.1 Operation------------------------------------------------------------------------------------------------123.2 Operating mode--------------------------------------------------------------------------------------- 134. Battery maintenance----------------------------------------------------------------------------------175. Notes for battery disposal and battery replacement ------------------------------------- 186. Trouble shooting --------------------------------------------------------------------------------------19Appendix 1 Display panel --------------------------------------------------------------------------------21Appendix 2 LED indication and alarm functions--------------------------------------------------22PDF created with pdfFactory Pro trial version www.pdffactory.com