Emerson 250 installation manual Detail a

Page 26

Installation Drawings

Figure 13 Ground strap location for connected cabinets

REFERENCE OF

CORNER-POST OF

CONNECTED CABINETS

FRONT SIDE OF

UNITS

A

Detail A

Typical Ground Strap Installation

( Use for all connected units except battery cabinet )

Cabinet-to-Cabinet

Bolting Instructions

22

Image 26

Contents

Liebert NXL Product Warranty Registration Contacting Liebert for SupportTable of Contents Figures Important Safety Instructions Page Preliminary Checks SINGLE-MODULE Mechanical InstallationIntroduction Environmental ConsiderationsPositioning System CompositionMaintenance Bypass Cabinet Cable EntryExternal Protective Devices Power CablesUPS Electrical Installation Dual InputPower Cable Connection Procedure Top Cable EntryControl Cable and Communications External Interface Board connections layoutControl Status Inputs Dry Contact Dry ContactsEPO Input Dry Contact Remote EPO inputLoad Bus Synch Connection Switch Auxiliary Inputs Dry ContactsControl Status Output Dry Contacts Optional Equipment Single-Module System OptionsCommunication and Monitoring Installation Drawings Main components location, 250kVA Liebert NXL UPSTop View Doors Open Doors and Inner Skins Removed Outline drawing, 300kVA Liebert NXL UPS Front Front View Side View Front View Right Side View Front Doors Removed Front Detail a Battery & DC Parameters SpecificationsLiebert NXL UPS specifications 250 300 400 Input Parameters250 300 400 Physical Parameters and Standards, in mm Environmental ParametersCurrent ratings-rectifier input Current ratings-batteryLiebert NXL system and inverter efficiencies Current ratings-bypass inputRectifier Input BatteryRecommended conduit and cable sizes Bypass InputRecommended lug sizes Series Cable Size One Hole Two HoleTi n Ne tIti That

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