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Emerson Liebert NX 10-30kVA User Manual

Page 92

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Operating Instructions

84

The procedure can be performed only after the installation has been completed (which includes the

maintenance bypass cabinet), after the system has been placed in operation by authorized personnel

and after the external power switches have been closed. See Figure 60 for more information.

Figure 60 Single UPS with external Maintenance Bypass Cabinet—typical configuration

Y

N

A B C

Ext

Byp

Bat Byp

Battery

Static

Switch

Inverter

SW

1-

D

SW1-A

Fu

se

SW

Qout UPS

Rotary

Switch

Y

Rectifier

SW1-C

Ch

ar

g

er

Sys Out CB2

N

UPS1

CB1

Input Mains
Supply A B C

N

Qin UPS

N

Input Supply

ABC

Sys in CB1

To Load