Liebert 350-500 VA - Manuals

4 I NTRODUCTION AND S YSTEM D ESCRIPTION Congratulations on your choice of the Liebert PowerSure™ PST Unin- terruptible Power System (UPS). It provides filtered AC power to sen- sitive electronic equipment and other critical loads.The PowerSure PST is an off-line UPS designed for desktop applica- ti...

5 Top and Side Views of UPS Refer to Bottom for Cautionary Markings Orange output receptacles Battery backup + surge protection Black output receptacles Surge protection only USB interface port Data Line Protection Connectors (IN, OUT, OUT) Phone/fax/ modem/DSL Circuit Protector TOP OF UPS LEFT SIDE...

6 M AJOR C OMPONENTS Transient Voltage Surge Suppression (TVSS) & EMI / RFIFilters These UPS components provide surge protection and filter electro- magnetic interference (EMI) and radio frequency interference (RFI). They minimize surges or interference present in the utility line and keep the s...

7 W HAT ’ S I NCLUDED The PowerSure PST is shipped with the following items:• PowerSure PST user manual• USB cable, 6 ft. (1.8m)• RJ-11 cord, 7 ft. (2.1m)• Warranty card PowerSure PST RJ-11 cord 7-ft. (2.1m) USB cable 6-ft. (1.8m)

8 I NSTALLATION This UPS is designed for data processing equipment. Maximum load must not exceed that shown on the UPS rating label. Do not connect equipment that could overload the UPS or draw half-wave current from the UPS, for example: electric drills, vacuum cleaners, laser printers or hair drye...

9 Other office machines that do not exceed the capacity of the UPS— inkjet printers, scanners and fax machines—may be plugged into either of the two (2) black receptacles, which provide surge protec- tion only. 5. Connect Phone/Fax/DSL/Internet/Modem devices to data line con- nectors. 6. Press and r...

10 C ONTROLS AND I NDICATORS ON / OFF / Alarm Silence Button This button controls output power to the connected load and has three functions:• ON• OFF• Alarm Silence ON When the UPS is off, pressing the main ON / OFF button for more than two seconds will start the UPS, and an audible alarm sounds br...

11 Status Indicators: Utility/Battery, Fault There are two (2) status indicators on the top panel of the UPS, as shown in the diagram below. Each indicator illuminates to specify the status of the UPS (see Troubleshooting section for details). Utility/Battery Indicator (Green) The Utility/Battery In...

12 M ODES OF O PERATION Normal Mode During Normal mode operation, the Power- Sure PST supplies conditioned, computer- grade power to the connected equipment: util- ity power passes through the TVSS circuitry, EMI/RFI filters and then through the Trans- fer Switch to the connected equipment.When the ...

13 C OMMUNICATIONS USB Interface Port The PowerSure PST has a USB interface port for communication that will work with the built-in Microsoft Power Manager software on the user’s PC, if the PC is so equipped. It will provide UPS status and manages the automatic, orderly shutdown of the computer. The...

14 M AINTENANCE The PowerSure PST UPS requires very little maintenance. Follow these practices to prevent problems. Cleaning the UPS The following will help ensure trouble-free operation for years:• Vacuum dust from the ventilation intake occasionally.• Wipe the cover periodically with a dry cloth. ...

15 T ROUBLESHOOTING The information below indicates various symptoms a user may encounter in the event the PowerSure PST experiences a problem. Use this information to determine whether external factors caused the problem. See Troubleshooting Chart for suggested remedy. Guide to Status Indicators 1....

16 Troubleshooting Chart If the UPS fails to operate properly, turn off the unit and repeat the steps in the Installation section of this manual. If the problem per- sists, refer to the chart below: Problem Cause Solution UPS will not start Overload/ Short circuit Check the circuit protector on the ...

17 S PECIFICATIONS Model Number PA350-120U PA500-120U Model Rating VA / W 350/225 500 / 300 DIMENSIONS: in (mm) Unit W x D x H 6.6 x 9.8 x 3.7 (168 x 250 x 95) 6.6 x 9.8 x 3.7 (168 x 250 x 95) Shipping W x D x H 9.4 x 13.8 x 5.6 (238 x 350 x 142) 9.4 x 13.8 x 5.6 (238 x 350 x 142) WEIGHT: lbs (kg) U...

18 Battery Run Times Product Warranty Registration To register for warranty protection:• Visit the Quick Links section of our Web site at: http://www.liebert.com • Click on Product Warranty Registration and fill in the form. If you have any questions, please contact us at: US: 800-222-5877 Outside t...

Technical Support / Service Web Site www.liebert.com Monitoring 800-222-5877 [email protected] Outside the US: 614-841-6755 Single-Phase UPS 800-222-5877 [email protected] Outside the US: 614-841-6755 Three-Phase UPS 800-543-2378 [email protected] Environmental Systems 800-543-2778 Outsid...