Emerson GXT 10KVA user manual Connecting Nfinity to Maintenance Bypass with transformer

Page 22

Cable Installation

Figure 11 Connecting Nfinity to Maintenance Bypass with transformer

Input 2

Input 1

Flexible

conduit

 

 

 

 

 

120

120

 

 

 

 

 

208

TB2

NFINITY MAINTENANCE BYPASS CABINET

TB6

240

 

L1

 

WITH TRANSFORMER

1

 

L2

 

 

 

 

2

 

 

 

 

 

 

3

 

G

Remove these two

 

4

 

 

 

 

TB1

wires for dual source

 

G

 

(see NOTE below)

 

 

L1

 

 

 

 

 

 

L2

 

 

 

 

G

 

G

TB3

 

TB4

TB5

G

 

 

 

 

 

GEC

L1 L2

G

1 2 3

1 2 3

4

 

 

 

 

208

240

 

 

L1 L2

TB1

Ensure that both tap selectors are set to the correct input voltage

G

1 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 TB6.

18

Image 22
Contents GXT 10KVA Page Table of Contents Maintenance SpecificationsImportant Safety Instructions Glossary of Symbols System Description General DescriptionFront view Rear view without transformer Rear view with transformer Bypass Mode UPS ModeModes of Operation User Selectable Output Distribution Bypass SwitchMajor Components Environment Required Setup EquipmentInspection Site PreparationUnloading the Maintenance Bypass Cabinet UnloadingStationary Mounting Dual Source Configuration Wiring PreparationPreparing Internal Wiring Cable InstallationMaintenance Bypass Cabinet with transformer Removing the Cover Plates Power Cable InstallationRepo Connection Input and Output Wiring ConduitElectrical 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 Shutting Down the UPS Start-Up and InitializationOperation Maintenance Scheduled MaintenanceProper Care Specifications General & Environmental RatingSpecifications Specifications Page Company Behind the Products Technical Support/ServiceLocations