Emerson Liebert APS - Mechanical Installation

Product Introduction
9Liebert
®
APS
™
Figure 5 Operating principle diagram
The Liebert APS UPS is composed of AC input, EMI filter, power module(s), battery module(s), user
interface, control interface, system control module, output and bypass contactor, manual bypass,
output transformer (certain frames only) and AC output.
Input
EMI
Filter
Power
Module(s)
EMI
Filter
Output
Manual Bypass
Battery
Module(s)
User
Interface
Control
Interface
System Control
Module
System Monitor
Module
Communication
Power
Control
Output and
Bypass
Contactor
Output
Transformer
Wiring
Transformer models
have an output isolating
transformer