APC MW II manual Symbols used in this guide, Installation safety

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Safety

IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS

This guide contains important instructions for SYMF1200KH that should be followed when handling the UPS, External Bypass Static Switch, Battery Enclosures, and Batteries.

Symbols used in this guide

Warning: Indicates an electrical hazard, which, if not avoided, could result in injury or death.

Caution: Indicates a hazard, which, if not avoided, could result in injury or death.

Note: Indicates important information.

Indicates that more information is available on the subject.

Main Protective Earthing Terminal symbol.

Ground symbol.

Installation safety

Press the optional EPO (Emergency Power Off) button to switch off all AC and DC power EPO supply to connected equipment in the room and to cut off the load supply. The EPO is

typically located on a wall in the room in which the UPS is installed. See “Communication cable overview” section for information on how to wire the UPS to the EPO.

Warning: Before you start the installation, verify that all AC and DC power source breakers are in the open position.

Warning: Only personnel trained in the construction and operation of the equipment, and the electrical and mechanical hazards involved, must install or remove system components.

Symmetra MW II 1200 kW 3 x 400/230 V Installation - 990-1979E-001

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Contents Installation Page Contents Specifications Installation safety Symbols used in this guidePage Serial number UPS SectionsInverter Section Control/Input/Output SectionExternal Bypass Static Switch Overview UPS Wiring PrinciplePower wiring Input/Output wiring precautions External disconnection switchesAC and PE cable connections  Hole distance AC Battery cables connection BAT1 + BAT2 External Bypass Static Switch Wiring Top cable entry Communication cable overview Maintenance Bypass PanelCommunication cables with optional Relay Board Relay BoardsLocation of relay boards Relay board 1 connections Relay Function Mode Special CommentsRelay board 2 connections Page Low-Impedance/High-Impedance Earthing Electrical SpecificationsDC Input AC InputHeat dissipation AC OutputAC Input External Bypass SSW Input and upstream breakers Required Breaker Settings 400 V SystemsTorque specifications Output and downstream breakers Dual Mains Installation System and Protective Earthing CharacteristicsTN Systems Reference to IEC 60364-4-41Protective devices in TN systems Additional requirements for generating sets IEC 60364-5-55Protective devices in TT systems TT SystemsIT Systems Protective devices in IT systems ConditionSee IEC Legal in DK specialcases Symmetra MW Switchgear Service Entrance Earthing arrangements and protective conductors Grounding Page Page 2009 990-1979E-001