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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/...
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. Vertiv | Liebert® PST5™ Installer/User Guide |...
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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 PST5 Models MODEL NUMBER NOMINAL POWER RATING PST5-350MT120 350 VA/200 W PST5-350MT120TAA PST5-500MT120 500 VA/300 W PST5-500MT120TAA PST5-660MT120 660 VA/400 W PST5-660MT120TAA PST5-850MT120 850 VA/500 W PST5-850MT120TAA Vertiv | Liebert® PST5™ Installer/User Guide |...
Battery-backed and surge-protected output power receptacles Input Power Cord Input Circuit Breaker RJ11/45 connectors for phone/fax/modem or network surge protection. USB Type B connector for USB communication with a PC for UPS monitoring and PC shut-down. Vertiv | Liebert® PST5™ Installer/User Guide |...
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Coax Cable connections for cable modem, DSS receiver, or cable-TV converter surge-protection connection. RJ11/45 connectors for phone/fax/modem or network surge-protection connection. USB Type B connector for USB communication with a PC for UPS monitoring and PC shut-down. Vertiv | Liebert® PST5™ Installer/User Guide |...
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• Inspect the UPS for shipping damage. If any shipping damage is found, report it to the carrier and your local dealer or your Vertiv representative immediately. • Check the accessories included in packaging list. If there is any discrepancy, contact your local dealer or your Vertiv representative immediately.
NOTE: While every precaution has been taken to ensure that the battery is in good condition, we recommend allowing the UPS to be plugged into AC input and to charge the battery for at least 12 hours prior to providing full back-up time protection for any utility-power abnormality. Vertiv | Liebert® PST5™ Installer/User Guide |...
• At start-up turning the UPS On. • Automatically every 8 weeks as a self-check. • Manually by pressing and holding the power button for 3 seconds when the unit is On. Vertiv | Liebert® PST5™ Installer/User Guide |...
Press quickly to wake the display. Power button. • Press-and-hold for 1 second to cycle between On and Off mode. • Press-and-hold for 3 seconds to enter Battery Self-test mode. • Press quickly to wake the display. Vertiv | Liebert® PST5™ Installer/User Guide |...
17, and Faults on page 18, for descriptions and troubleshooting. On/AC/Battery, green LED • On solid when the UPS is in On/Normal mode • Blinking when the UPS is in On/Battery mode Vertiv | Liebert® PST5™ Installer/User Guide |...
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Numeric display of UPS operational parameters: • VAC = input/output voltage • Hz = input/output frequency Fault when lit. Fault codes indicated: • • • • Faults on page 18, for more details Battery-capacity graph in 25% increments Vertiv | Liebert® PST5™ Installer/User Guide |...
21. rating. Charge the UPS battery for at least 12 hours, or 3 beeps every 30 The battery is weak or damaged. replace the battery, see Battery Replacement seconds page 19. Vertiv | Liebert® PST5™ Installer/User Guide |...
Turn-off the UPS, disconnect all loads, and restart the UPS. • If the fault is still active, contact Vertiv technical support for a replacement. • If the fault is no longer active, plug in equipment one at a time to locate the device that is causing the fault.
3. Remove the battery-compartment screw, then slide off the battery-compartment cover, see Figure 4.1 on the next page. 4. Lift the white tab and pull the battery out, see Figure 4.1 on the next page. Vertiv | Liebert® PST5™ Installer/User Guide |...
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8. Press-and-hold the power button for 3 seconds to initiate the battery self-test and clear any previous battery fault warning. 9. Properly dispose of the old batteries at an appropriate recycling facility or return them to Vertiv in the packing material for the new batteries. Vertiv | Liebert® PST5™ Installer/User Guide |...
850 VA/500 W 100% Note: Run times in this table are approximate. They are based upon new, fully charged standard battery modules at a temperature of 25 degC (77 degF) with 100% resistive UPS loading. Vertiv | Liebert® PST5™ Installer/User Guide |...
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