631. IntroductionThank you for selecting Eaton 9SX 15-20KPM, Eaton 9SX 15-20KPMAU and EatonDXRT 15-20KS-IN Series Online UPS to protect your electrical equipment. Theseproduct support dual input requirements; support 4 kinds of input and outputmodes:three phase input - single phase output(3-1)three phase input - three phase output(3-3)single phase input - single phase output(1-1)single phase input - three phase output(1-3)to meet different power supplies and equipment; output power factor is 1.0, whichmeets the needs of users higher load; 32-40 batteries are adjustable, users canchoose more battery configuration; charging current 1-13A flexible setting; touchgravity sensing LCD screen, friendly interface, More convenient operation; onlinedouble conversion mode efficiency is up to 96%, battery mode efficiency is up to95%, more environmentally friendly and energy efficient.We recommend that you take the time to read this manual to take full advantage ofthe many features of your UPS (Uninterruptible Power System).Before installing your UPS, please read the booklet presenting the safetyinstructions. Then follow the indications in this manual.1.1 Environmental protectionProducts are developed according to an eco-design approach.SubstancesThis product does not contain CFCs, HCFCs or asbestos.PackingTo improve waste treatment and facilitate recycling, separate the variouspacking components.• The cardboard we use comprises over 50% of recycled cardboard.• Sacks and bags are made of polyethylene.• Packing materials are recyclable and bear the appropriate identificationsymbol