Installation

3.4External Electrical Connections

The external electrical connections may be accessed by removing the protective panel on the rear of the UPS (see Figure 2) (panel ships loose from factory). Select a conduit knockout appropriate for your cabling, based on local electrical codes.

! WARNING

Before removing electric protective panel, ensure that the UPS is isolated.

Figure 4 Side view

Rear Panel

Cable Entry Cover

NOTE

Once installation has been completed, adjust leveling feet to prevent the UPS from moving.

3.5Connecting Utility and Load

Connect the utility supply to the input terminals of the UPS. If the Liebert® GXT3-10000T220is supplied by single-phase utility, connect the live phase to input L1.

3.6Terminal Blocks for UPS

! CAUTION

Power is connected through the input breaker, even when the UPS is in bypass mode. Opening the input breaker when in bypass mode will disconnect output power to the connected load.

Figure 5 Single source input supply—input and output connections

 

UPS Input ~

 

 

 

 

 

 

 

 

Bypass Input ~

 

 

Output ~

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BYP

L1

L2

 

 

 

 

 

 

 

 

L1

L2

 

GET

X1

X2

X3

X4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Single Feed

120

208 220

120

Jumper

240

0

9

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Liebert GXT3-10000T220 user manual External Electrical Connections, Connecting Utility and Load, Terminal Blocks for UPS