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The Liebert PST4 is shipped with the following items:
•
CD with Liebert MultiLink® Shutdown Software and User manual (electronic version)
•
USB cable; one 2 m (6-1/2 ft.) long
•
Wall-mount template and screws
•
User Manual with warnings safety instructions and WEEE recycling sheet
(ISO 14001 compliance)
1.1 Controls and Indicators
ITEM
DESCRIPTION
1
Battery-backed and surge-protected output power receptacles.
The Low Battery/Overload/Fault (Red) LED.
2
3
Input Circuit Breaker. The input circuit breaker trips in the event the output load exceeds the UPS's power rating.
4
On/Off button.
5
Input Power Cord.
The On Utility/On Battery (Green) LED
6
7
Surge-protected-only output-power receptacles.
8
RJ11/45 connectors for phone/fax/modem or network surge protection.
9
RJ45 connector for USB communications port for UPS monitoring and control.
1.2 Installation
Install the Liebert PST4 in a temperature-controlled environment that is free of corrosive and conductive
contaminants. Avoid locations near heat or water sources and exposed to direct sunlight. For proper
ventilation, leave approximately 2 to 4 inches clearance on all sides of the UPS.
The UPS unit ships with the internal battery connected.
Vertiv | Liebert® PST4™ Installer/User Guide |
•
The Low Battery/Overload/Fault (Red) LED illuminates in a steady state when the UPS has an internal fault and
the audible alarm beeps continuously.
•
The Low Battery/Overload/Fault (Red) LED blinks when the UPS is overloaded and the audible alarm sounds one
beep every half second.
•
The Low Battery/Overload/Fault (Red) LED blinks when the UPS reaches a Low Battery Warning and the audible
alarm sounds two beeps every five seconds.
•
The Low Battery/Overload/Fault (Red) LED blinks when the battery is weak or needs replaced and the audible
alarm sounds three beeps every thirty seconds.
•
The On Utility/On Battery (green) LED illuminates in a steady state when the UPS is on and operating in the AC
normal mode.
•
The On Utility/On Battery LED blinks when the UPS is operating in the Battery mode and the audible alarm sounds
one beep every five seconds.
6
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