Emerson 250 installation manual Cable Entry, Maintenance Bypass Cabinet

Page 9

Single-Module Mechanical Installation

1.6Cable Entry

Cables can enter the UPS cabinet from bottom or top into the Input/Output (I/O) section of the unit, see the figures in 4.0 - Installation Drawings.

Figure 1 Cabinet arrangement—Liebert NXL, battery cabinets, maintenance bypass cabinet

Liebert

NXL

UPS

Liebert

NXL

UPS

Maintenance

Bypass

Cabinet

Note: If a maintenance bypass cabinet is used, it must be installed on the right side of the Liebert NXL UPS

	Additional	Battery	Liebert	Maintenance
	Battery	Battery	NXL	Bypass
	Battery	Cabinet	NXL	Bypass
	Cabinet(s)		UPS	Cabinet
			UPS

Additional

Battery

Cabinet(s)

Battery Cabinet

Liebert

NXL

UPS

Liebert

NXL

UPS

Battery Cabinet

Additional

Battery

Cabinet(s)

5

Image 9

Contents

Liebert NXL Contacting Liebert for Support Product Warranty RegistrationTable of Contents Figures Important Safety Instructions Page Introduction SINGLE-MODULE Mechanical InstallationPreliminary Checks Environmental ConsiderationsSystem Composition PositioningCable Entry Maintenance Bypass CabinetUPS Electrical Installation Power CablesExternal Protective Devices Dual InputTop Cable Entry Power Cable Connection ProcedureExternal Interface Board connections layout Control Cable and CommunicationsEPO Input Dry Contact Dry ContactsControl Status Inputs Dry Contact Remote EPO inputSwitch Auxiliary Inputs Dry Contacts Control Status Output Dry ContactsLoad Bus Synch Connection Single-Module System Options Communication and MonitoringOptional Equipment Main components location, 250kVA Liebert NXL UPS Installation DrawingsTop 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 Liebert NXL UPS specifications SpecificationsBattery & DC Parameters 250 300 400 Input ParametersEnvironmental Parameters 250 300 400 Physical Parameters and Standards, in mmLiebert NXL system and inverter efficiencies Current ratings-batteryCurrent ratings-rectifier input Current ratings-bypass inputRecommended conduit and cable sizes BatteryRectifier Input Bypass InputSeries Cable Size One Hole Two Hole Recommended lug sizesIti Ne tTi n That

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