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Technical Support Site
If you encounter any installation or operational issues with your product, check the pertinent section of
this manual to see if the issue can be resolved by following outlined procedures. For additional assistance,
visit https://www.VertivCo.com/en-us/support/
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TABLE OF CONTENTS
Important Safety Information 5
1 PSA5 Description 7
1.1 Available Models 7
1.2 Front and Rear Panel Controls and Features 8
2 Installation 9
2.1 What's Included 9
2.2 Unpacking and Inspection 9
2.3 Preparation for Installation 9
2.3.1 Installation Environment 9
2.3.2 Installation Clearances 9
2.4 Installing the UPS 9
2.4.1 Connecting Loads 9
2.4.2 Connecting for Network, Telephone or TV Protection 10
2.4.3 USB Communication Connection 10
2.4.4 USB Charging Ports 10
2.4.5 Connecting AC Input 10
3 Operation 11
3.1 Modes of Operation 11
3.1.1 Off Mode 11
3.1.2 On/Normal Mode 11
3.1.3 On/Automatic Voltage Regulation (AVR) Mode 11
3.1.4 On/Battery Mode 11
3.1.5 Fault Mode 11
3.1.6 Battery Self-test Mode 11
3.2 Controls 12
3.3 Display-panel Indicators 13
3.4 Audible-tone Indicators 14
3.5 Warnings 14
3.6 Faults 14
3.7 Normal Start-up 15
3.8 Normal Shut-down 15
3.9 Full Shut-down 15
4 Maintenance and Battery Replacement 17
4.1 Precautions 17
4.2 Battery Charging 17
4.3 Battery Replacement 18
5 Specifications 19
5.1 Run-time Tables 21
Appendices 23
Appendix A: Technical Support 23
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IMPORTANT SAFETY INFORMATION
IMPORTANT! This manual contains important safety instructions that must be followed during the
installation and maintenance of the UPS and batteries. Read this manual thoroughly and the safety and
regulatory information, available at https://www.vertivco.com/ComplianceRegulatoryInfo, before
attempting to install, connect to supply, or operate this UPS.
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1 PSA5 DESCRIPTION
The Liebert PSA5 is an economical, line-interactive UPS designed with the features you need providing
reliable power protection for small home/office computers, network gear, and home-entertainment
equipment. Designed with controls for user-friendly operation, the Liebert PSA5 provides the run time to
save work in process. With the Liebert MultiLink™ shutdown software, you can receive remote alerts and
have unattended, orderly shutdown of your systems.
1.1 Available Models
Table 1.1 PSA5 Models
MODEL NUMBER NOMINAL POWE R RATING
PSA5-500MT120
PSA5-500MT120TAA
PSA5-700MT120
PSA5-700MT120TAA
PSA5-1000MT120
PSA5-1000MT120TAA
PSA5-1500MT120
PSA5-1500MT120TAA
500VA/300W
700VA/4 20W
1,000VA/600W
1,500VA/900W
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1.2 Front and Rear Panel Controls and Features
Figure 1.1 Controls and Indicators
ITEM DESCRIPTION
1 Power button.
2 Silence-alarm button.
3
4 LCD display
5 USB chargingports, 5V/2.1A max. combined
6 Surge-protectedonly receptacles.
7 Battery-backed and surge-protected receptacles.
8 USB communication port (Type B)
9 RJ11/45 connectors for phone/fax/modem or network s urge protection.
10 Coax connectors for cable-TVor cable-modem or DSS-receiver surge protection.
11 InputCircuitBreaker
12 Inputpower cord (NEMA 5-15P)
Scroll button.
To scroll through the LCD-display parameters .
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