Instruction/ maintenance manual of the product 350-500 VA Liebert
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P OWER A VAILABIL ITY P o werSur e™ PST U SER M ANUAL 350-500 V A 120V.
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i T ABLE OF CONTENTS I MPORT ANT S AFETY I NSTRUCTION S . . . . . . . . . . . . . . . . . . . . . 1 I NTRODUCTION AND S YSTEM D ESCRIPTIO N . . . . . . . . . . . . . . . 4 Top and Side Views of UPS . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1 I MPORT ANT S AFETY I NSTRUCTIONS SA VE THESE INSTRUCTIONS This manual contains important safety in structions that should be f ol- lowed during the installa tion and maintenance of the Uninterruptible Power System (UPS) and its batteries. Please read this manual thor- oughly before attempting to install or operate this UPS.
2 Provided is a USB cable for co nnecti on to a computer. Store in a safe place if not requ ired at thi s time. ! CAUTION Although your UPS ha s been de signed and manufactured to assure personal safety, improper use may res ult in electrical shock or fire.
3 CONDITIONS OF USE: The input receptacle mu st be within 6 feet (1.8 meters) of the UPS. Your UPS provides conditioned powe r to connected equipment. M axi- mum load must not exceed that shown on UPS ra ting label. If uncer- tain, consult your local dealer, Lieb ert representative or the Liebert Worldwide Support Group.
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 electr onic equi pmen t and other critical loads. The PowerSure PST is an off-line UPS designed for desktop applica - tions.
5 T op and Side V i ews of UPS Refer to Bottom for Cautionary Markings Orange output recept acles Battery backup + surge protec tion Black output receptacles Surge protection on ly USB interface port Data Line Protection Connector s (IN, OUT , OUT) Phone/fax/ modem/DS L Circuit Protector TOP OF UPS LEFT SIDE OF UPS RIGHT SIDE OF UPS Power Cord 6.
6 M AJOR C OMPONENT S T ransient V oltage Surge S uppression (TVSS) & EMI / RFI Filters These UPS components provide surg e protection and filter electro- magnetic interference (EMI) and ra dio frequency interference (RFI). They minimize surges or interferen ce present in the utility line a nd keep the sensitive equipment protected.
7 W HAT ’ S I NCLUDED The PowerSure PST is shippe d with the following items: • PowerSure PST user manual • USB cable, 6 ft. (1.8m) • RJ-11 cord, 7 ft.
8 I NST ALLATION This UPS is designed for data processin g equipment. Maximum load must not exceed that shown on the UPS rating label. Do not connect equipment that could overload the UPS or draw ha lf-wave current from the UPS, for example: electr ic drills, vacuum cleaners, laser printers or hair dryers.
9 Other office machines that do no t exceed the capacity of the UPS— inkjet printers, scanners and fax machines—may be plugg ed into either of the two (2) black recept acles, which provide surge protec- tion only. 5. Connect Phone/Fax/DSL/Internet/M odem devices to data line co n- nectors.
10 C ONTROLS AND I NDICATORS ON / OFF / Alarm Silence Button This button controls output power to the connected load and has three functions: •O N •O F F • 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 briefl y.
11 St atus Indicators: Ut ility/Battery , Fault There are two (2) status indicators on the top panel of the UPS, as shown in the diagram below. Each in dicator illuminates to specify the status of the UPS (se e Troubleshooting section for details) .
12 M ODES OF O PERATION Normal Mode During Normal mode operation, the Po wer- 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.
13 C OMMUNICATIONS USB Interface Port The PowerSure PST has a USB interf ace port for communication that will work with the built-in M icroso ft Power Manager software on the user’s PC, if the PC is so equipped. It will provide UPS status and manages the automatic, orderly sh utdown of the computer.
14 M AINTENANCE The PowerSure PST UPS requires ve ry little maintenance. Follow these practices to prevent probl ems. Cleaning the UPS The following will help ensure trouble-free operation for years: • Vacuum dust from the ventil ation intake occasionally.
15 T ROUBLES HOOTING The informatio n below indi cates various symptoms a user may encounter in the event the PowerSur e PST experiences a problem. Use this information to determine wh et her external factors caused the problem. See Troubleshooting Chart for suggested remedy.
16 T roubleshooting Chart If the UPS fails to operate properly , turn off the uni t and repeat the steps in the Installation section of this manua l. 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 side of the UPS.
17 S PECIFICATIONS Model Number P A350-120U P A500-120U Model Rating V A / 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.
18 Battery Run Times Product W arranty Registration To register for warranty protection: •V i s i t t h e Quick Link s section of our Web site at: http://www .
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T ec hnical Support / Service Web S ite www .liebert.com Monitoring 800-222-5877 monitoring@liebert.com Outside t he US: 614-841-6 755 Single-Phase UPS 800-222-5877 upstech@liebe rt.com Outside t he US: 614-841-6 755 Three-Phase UPS 800-543-2378 powertech@liebert.
An important point after buying a device Liebert 350-500 VA (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Liebert 350-500 VA yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Liebert 350-500 VA - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Liebert 350-500 VA you will learn all the available features of the product, as well as information on its operation. The information that you get Liebert 350-500 VA will certainly help you make a decision on the purchase.
If you already are a holder of Liebert 350-500 VA, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Liebert 350-500 VA.
However, one of the most important roles played by the user manual is to help in solving problems with Liebert 350-500 VA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Liebert 350-500 VA along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
