Справочник Пользователя для Liebert PS600-60S

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unqualified to replace the battery, do not open battery door.  Refer to 
qualified service personnel. 
 
INTRODUCTION & SYSTEM DESCRIPTION
 
 
 
Congratulations on choosing the Liebert PowerSure™.  It provides continuous, 
conditioned power to microcomputers and other data processing equipment. 
 
Upon generation, AC power is clean and stable.  However, during transmission, it 
may be subject to load variations or accidents which cause power problems like 
low voltage, voltage spikes, or complete power failure.  These problems may 
interrupt computer operations, cause data loss, or even damage equipment. 
 
The UPS provides protection from many of these disturbances.  It smoothes out 
voltage variations and, in the event of complete power failure, it supports 
equipment long enough for an orderly shutdown.  These compact UPS units are 
available in three ratings: 250, 400, and 600 VA.  This manual includes 
specifications for each model. 
 
Normally, the UPS filters and connects AC utility input power to its AC outputs; 
but  when the UPS senses a power failure, it lights the battery LED (400 & 600 
VA only) and provides AC power to equipment through a maintenance free, 
sealed, lead acid battery. 
 
The UPS contains a counter which automatically initiates a 15-second battery 
test every 7 days and upon start-up.  The UPS resets the counter after back-up 
operation, manual battery test, or if the UPS is switched OFF.  The operator may 
perform a manual battery test by pressing the BATTERY TEST button on the 
back of 400 and 600 VA models. 
 
A control circuit monitors power input and battery condition and upon sensing a 
fault, sounds an alarm and flashes a visual indication of the UPS status.  In 
addition, the 400VA and 600VA UPS models have a communications port which 
enables the UPS to inform a computer equipped with SiteNet® software of the 
power failure.  SiteNet® automatically saves data and performs an orderly 
shutdown.  Cables and software are available as optional computer/LAN 
Interface Kits.  Consult your dealer for the kit suitable for your application. 
 
CONDITIONS OF USE:  The utility receptacle must be within 6 feet of the UPS. 
This model utilizes a 110V to 120V AC 60 Hz supply voltage.  Models are 
available for other supply voltages. 
 
Your UPS is designed to protect only Communication and Data Processing 
equipment.  Maximum load must not exceed that shown on UPS rating label.  If  
uncertain, consult your dealer or representative. 
 
Placing magnetic storage media on top of the UPS may result in data corruption. 
 
CAUTION:  This equipment complies with Part 15, Subpart B of FCC rules for 
Class B computing devices.  Equipment operation in residential areas may cause 
interference to radio and TV reception.  The operator must take necessary steps 
to correct interference.