Emerson GXT 10KVA user manual Connecting Nfinity to Maintenance Bypass without transformer

Page 23

Cable Installation

Figure 12 Connecting Nfinity to Maintenance Bypass without transformer

Input 2

Input 1

				120	120
				208
TB2	NFINITY MAINTENANCE BYPASS CABINET			TB5	240
TB2	NFINITY MAINTENANCE BYPASS CABINET			TB5
L1		WITHOUT TRANSFORMER		1
L2				2
N				3
				4
G	Remove these three
TB1	wires for dual source			G
TB1	(see NOTE below)			G
L1	(see NOTE below)
L1
L2				G
N				G
				G
G	TB3		TB4
G	L1 L2	G	1 2 3	4
	L1 L2	G	1 2 3	4

Flexible conduit

L1 L2

TB1

Ensure that the tap selector is set to the correct input voltage

G1 2 3

TB2

NFINITY UPS

1 2 3 4 5

TB3

GEC

See Nfinity user manual for details on connecting GEC.

NOTE

1.SINGLE-SOURCEFEED—If feeding the Maintenance Bypass Cabinet from a single source, the input connection may be made to either TB1 or TB2.

2.DUAL-SOURCEFEED—If feeding the Maintenance Bypass Cabinet from a dual source, the UPS input supply connection must be made to TB1 and the bypass input supply connection must be made to TB2. The jumpers between TB1 and TB2 must be removed.

3.If connected equipment is a combination of 208 VAC and 120 VAC, use a three-phase panel board connected to the output terminal TB5.

19

Image 23

Contents GXT 10KVA Page Table of Contents Specifications MaintenanceImportant Safety Instructions Glossary of Symbols General Description System DescriptionFront view Rear view without transformer Rear view with transformer Modes of Operation UPS ModeBypass Mode Major Components Bypass SwitchUser Selectable Output Distribution Site Preparation Required Setup EquipmentInspection EnvironmentUnloading Unloading the Maintenance Bypass CabinetStationary Mounting Cable Installation Wiring PreparationPreparing Internal Wiring Dual Source ConfigurationMaintenance Bypass Cabinet with transformer Repo Connection Power Cable InstallationRemoving the Cover Plates Conduit Input and Output Wiring Electrical connections-transformer model MBC Electrical connections-non-transformer model MBC Connecting Nfinity to Maintenance Bypass with transformer Connecting Nfinity to Maintenance Bypass without transformer GXT10000T-208X GXT10000T-240X Operation Start-Up and InitializationShutting Down the UPS Proper Care Scheduled MaintenanceMaintenance General & Environmental Rating SpecificationsSpecifications Specifications Page Locations Technical Support/ServiceCompany Behind the Products