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        穨 66M-K800-002(A)
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1.  from the unit   Caution  Do not dispose of battery in fire    Caution  Do not attempt to open the battery    peed The following precautions should be taken when replacing the  attery   v remove watches  rings  etc      v use tools with insulated handles    8  Place your new battery in the same position direction and reconnect the wires  red wire position    and black wire negative      9  Please follow steps 5 4 and 3  in that order  to reconnect the entire unit    10  Please follow manual instructions in order to properly reconnect your  equipment     11  Storage    10 1 Storage conditions   Store the UPS covered and upright in a cool   dry location  with its battery fully  charged  Before storing  charger the UPS for at least 4 hours  Remove any  accessories in the accessory slot and disconnect any cables connected to the  computer interface port to avoid unnecessary draining the battery     10 2 Extended storage   During extended storage in environments where the ambient temperature is  15 to   30   C   5 to  86   F   charge the UPS    s battery every 6 months    During extended storage in environments where the ambient temperature is  30  to  45   C   86 to  113   F   charge the UPS    s battery every 3 months     12  Troubleshooting    PROBLEM POSSIBLE ACTION TO TAKE    On test button not Press the on test button to power the UPS  pushed or push too and the load  short  UPS input circuit Reduce the load on the UPS by unplugging  UPS will not turn on break tripped equipm
2.  immediately or input fuse protection  Hot swappable  Sealed  Maintenance free lead acid    Typical 4 hours  to 90  of full capacity   Recharge Time       Automatic self test  amp  discharge protection  Replace battery  indicator    10   30 minutes  depending on computer load   PHYSICAL Net Weight 13 8 14 5 15 15 8 25 30  kat EN  CN i  Kg Ibs   32 6     34 1   35 2   37 0     59 4     70 4   xDxH    nput Inlet IEC 320 power inlet  Receptacles NEMA 5 15R  115V  IEC 320 female appliance coupler  230V     Continue beeping sound     Overload    INTERFACE RS 232 Bi directional communication port    CONFORMANCE  Safety cUL  TUV  CE  meet FCC  Meet IEEE 587 standard  Two years    ENVIRONMENT 6 000 meters max  elevation  0 95  humidity non condensing  operation 0 40 deg C  Audible noise  lt 40dBA  1 meter from surface     lt 45dBA  1 meter from surface    Stora 15000 meters max  elevation  condition    O  S       ALARM Battery Slow beeping sound  about 0 25Hz   Back Up  Battery Low Rapid beeping sound  about 1 00Hz   verload  rge  age          14  Specifications    A  800A RM  1250A RM   1500A RM  2000A RM  2500A RM   3000A RM    INPUT     25  at line input   Single phase  50 or 60Hz    5   auto sensing    OUTPUT Voltage Pure sine wave output at    5  of nominal   10  after low battery   on battery  warning    Frequency 50 or 60Hz    0 5    on battery     Voltage AVR automatically increase output voltage 15  above input voltage if  Regulation  9  to 25  of nominal  AVR decrease outpu
3.  the SNMP adapter make your UPS  becomes  SNMP manageable   provide a real time UPS and power status  information for the network manager     Note  It s not necessary to use this function   Caution  Use only factory supplied or authorized SNMP monitoring cable      3 14 OUTPUT POWER RECEPTACLES  3 15 AC INPUT POWER RECEPTACLE    3 16 INPUT CIRCUIT BREAKER  It trips when the connected loads exceed the protected receptacle s capacity   The center plungers of the circuit breakers extend when tripped     3 17 SITE WIRING FAULT INDICATORS  RED LED   It comes on when the UPS is connected to an improperly wired AC power outlet   Note  This device is available on 110 Vac model only     3 18 COMPUTER INTERFACE  Provide both RS 232 and relay signal to support NOVELL  UNIX  DOS   WINDOWS and other operating systems     4  Installation    4 0 Inspection  Inspect the UPS upon receipt  The packaging is recyclable  save it for reuse or  dispose of it properly     4 1 Placement  Install the UPS in a protected area with adequate air flow and free of excessive  dust  Do not operate the UPS where the temperature and humidity is outside the  specified limits     4 2 Connect Computer Interface  optional     RUPS series software  or other power management software  and an interface  kits can be used with this UPS  Use only kits supplied or approved by the  manufacturer  If used  connect the interface cable to the 9 pin computer interface  port on the back panel of the UPS     Note  Computer interf
4. Do not dispose of batteries in a fire  the battery may explore     v Do not open or mutilate the battery  released electrolyte is harmful to the  skin and eyes     v A battery can present a risk of electric shock and high short circuit current   The following precaution should be observed when working on batteries     Remove watches  rings or other metal objects      Use tools with insulated handles     Caution  Risk of electric shock   hazardous live parts inside this unit are  energized from the battery supply even when the input AC power is  connected     Caution  Risk of electric shock  do not remove cover  No user serviceable  parts inside  Refer servicing to qualified service personnel     Warning  To reduce the risk of fire  replace only with the same type and rating  of fuse     Warning  To reduce the risk of fire or electric shock  install in temperature and  humidity controlled indoor area of conductive contaminants     3  Presentation    FRONT PANEL    3 1  ON TEST  button  With the UPS plugged in  press the ON TEST button to turn on the UPS and    power the loads  ON TEST also activates the UPS s self test and utility line  voltage displays     3 2   OVERLOAD  indicator  RED LED   The LED lights when the loads connected to the UPS exceed the UPS s capacity   See Section 6 3     3 3  BACK UP  indicator  GREEN LED   The LED illuminates when the UPS is supplying battery power to the loads     3 4  REPLACE BATTERY  indicator  RED LED     The LED illuminates when the U
5. ON TEST button more than 1 second  and UPS performs a self test function  During the self test  the UPS operates a  back up mode     Note  During the self test  the UPS briefly operates the loads on battery  the  on battery LED comes on     If the UPS passes the self test  it returns to on line operation  The on battery  LED does off and the on line LED goes on steady   If the UPS fails the self test it immediately returns to on line operation and  lights the replace battery LED  The loads are not affected  Recharge the  battery overnight and perform the self test again  If the replace battery LED is  still on  ask our nearest dealer to replace battery     5 4 Silence   In  BACK UP  mode  push ON TEST more than 1 second to silence the audible  alarm   The function is void when under condition of  LOW BATTERY  or   OVERLOAD        Note  At back up mode  UPS can be automatically turned off if none of the  connected loads is operating     5 5 Load bar graph   The 5 LED display  See section 3 8 for location of the indicator on the front panel   shows the power drawn from the UPS by load  The display indicates the  percentage of the UPS s rated capacity  For example  If three LEDs are lit  the  load is drawing between 50  and 67  of the UPS s capacity    If the UPS is overloaded  the overload LED lights and alarm sounds  See section  6 3    5 6 Bttery charge bar graph   The 5 LED display  see section 3 9 for location of the indicator on the front panel   shows the present charge o
6. PS s battery is no longer useful and must be  replaced  See section 9     Note  When replace battery  disconnect the utility power then open the case  and take notice of the battery s polarity while install the new battery to avoid  short  See section 9     3 5  BUCK AVR  VOLTAGE REDUCTION   indicator    YELLOW LED    The LED illuminates when the UPS is correcting a high utility voltage condition   The loads receive normal power     3 6  LINE NORMAL  indicator  GREEN LED   The LED illuminates when the line input voltage is normal     3 7  BOOST AVR  VOLTAGE BOOST   indicator  YELLOW LED   The LED illuminates when the UPS is correcting a low utility voltage condition   The loads receive normal power     3 8 LOAD bar graph  The display shows the power being drawn by the load     3 9 POWER bar graph  BATTERY CHARGE LINE VOLTAGE   The display shows the present battery charge as a percentage of battery capacity   It also display the voltage of utility line     3 10  OFF  button  Press the OFF button to turn off the UPS and the loads     REAR PANEL    3 11 TEL  MMODEM SURGE PROTECTION  Surge protection for telephone and modem line to have the complete safety  connection for INTERNET service     3 12 EXTERNAL BATTERY PACK CONNECTOR  optional   Caution  Use only factory supplied or authorized connecting cable for external    battery       3 13 SNMP INTERFACE PORT  optional    Provide the SNMP adapters for 10 BaseT Ethernet and Token Ring connectors   Through RS232 communication port 
7. UPS    Uninterruptible Power System    Line Interactive Network Protection  Pure Sine Wave Output UPS    Regular models600A 800A 1000A 1250A  1500A 2000A 2500A 3000A   amp   Extended Run Time Models  1000AL 2000AL 3000AL    USER   S MANUAL    Printed in USA  A    instructions       Thank you for selecting this uninterruptible power system  UPS   It provides you  with better protection for connected equipment     Please read this manual   This manual provides safety  installation and operating instructions that will help  you derive the fullest performance and service life that the UPS has to offer     Please save this manual   It includes important instructions for the safe use of this UPS and for obtaining  factory service should the proper operation of the UPS come into question     Please save or recycle the packaging materials    The UPS s shipping materials were designing with great care to provide  protection from transportation related damage  These materials are invaluable if  you ever have to return the UPS for service  Damage sustained during transit is  not covered under the warranty     Table of contents    To Entro d U CLIO Nica  a SP OY CNO Sask cepecete T T gem adem dees ie edeed ceed T sO  y Prosentat Ms cee cere ta 6   Front Panel   Rear Panel   Output  45  Ins talla tiO Mco eter scene ect aceieee lath scree cieieteieie  12  5  Operaatio    tec eee dio te tal 74  Bue CALLA AM Su is da ma ad 5  To Software OpillO nS liniers 0  8  Maintenance cmmmcmenenemnciin 
8. ace connection is optional  The UPS works properly  without a computer interface connection   Caution  Use only factory supplied or authorized UPS monitoring cable      4 3 Connect external battery pack  optional   Before connecting  make sure the external battery pack and the connector cable  are compatible with this UPS     Note  External battery connection is not necessary  The UPS works properly  without a external battery pack connection   Caution  Use only factory supplied or external battery connection cable      4 4 Connect the telephone modem lines  Connect a single line telephone or a modem line into the telephone modem surge  protection sockets on the back of the UPS  The RJ 45 RJ 11 modular sockets  accept standard single line telephone connections  This connection will require  another length of telephone cable  supplied      Note  This connection is optional  It is not necessary to use this UPS     Caution  The telephone line current limiting feature could be rendered  inoperable ifimproperly installed  Make sure that the telephone line from the  wall is plugged into the connector marked    IN     and the device to be  protected  telephone  modem  etc   is plugged into the connector marked    Caution  This surge protection device is for indoor use only and never install  telephone wiring during a lightning storm     4 5 Connect to Utility  Connect the AC input power connector to utility power to power up the UPS     4 6 Charge the battery  The UPS charges its ba
9. cecceemeemeenememememememememeneed     9  Computer Interface POrFtoocnncnoncnnnnncncnnn o o ee meeeeemeeeeees  17  10  Battery replaceMenNteinncdiincncncmcncnencmameneniaana manana nal 8  A ICONO ii 18  12  Troubleshooting ekee a R RA NES 19  13  Battery Pack Installati0N    o oocmcconcnconenencnconananonnana mars 20  14  Specification Si  inicio ii 21    66M K800 011    66M K800 012    1  INTRODUCTION    The product is line interactive UPS with the newest technology and powerful  function  The LINE INTERACTIVE UPS is with AVR function allows input voltage  range from 75  to 125   including on line voltage boost up  amp  buck down  An ideal  protection equipment for critical connected loads  It is based on microprocessor  controls  with utility power connected  the charging is ongoing  no need to switch  ON the UPS and at back up mode  UPS can be automatically turned OFF if none  of the connected loads is operating to save the battery energy  The indicator will  be ON when battery needs replacement and a cyclic self testing function is  Wet esh in order to verify both the operation of the UPS and the condition of the  attery     In addition  This UPS provides advanced single telephone line or modem surge  suppression through the modular connectors on the back panel     The LINE INTERACTIVE UPS and RUPS seies monitoring software  optional kits   makes your computer operate intelligent and provides you with the ability of  perfect protection of your critical devices     Note  T
10. e UPS emits continuous alarm to warn a overload condition   Disconnect nonessential load equipment from UPS to eliminate the overload     6 4  REPLACE BATTERY   continuous alarm    The UPS emits continuous beeps and the REPLACE BATTERY LED illuminates  if the battery fails the self test  See section 9 to replace battery by yourself or call  your dealer for services     7  Software options    7 1 Power Monitoring Software   The RUPS series software  or other power monitoring software  is applied  standard RS 232 interface to perform monitoring functions  and then provides an  orderly shutdown of a computer in the event of power failure  Moreover  RUPS  displays all the diagnostic symptoms on monitor  such as Voltage  Frequency   Battery level and so on      The software is available for DOS  Windows 3 1x  Windows 95  Windows NT  V3 5 or later  Novell Netware and others  Call your dealer for more information on  computer OS compatible solutions     7 2 Interface Kits   A series of interface kits is available for operation systems that provide UPS  monitoring  Each interface kit includes the special interface cable required to  convert status signals from the UPS into signals which individual operating  system recognize  The interface cable at UPS side must be connected to  REMOTE PORT   at computer side can be either COM 1 or COM 2  The other  installation instructions and powerful features please refer to READ ME file     Caution  Use only factory supplied or authorized UPS mo
11. ent and reset the circuit breaker by  pressing the plunger back in    Very low or no utility Check the AC power supply to the UPS with  voltage multimeter    Computer interface Disconnect the computer interface or  UPS will not turn on or of accessory accessory  If the UPS now works normally   off problem check the interface cable  the attached  Push on test or off computer and the accessory    no  UPS operates on  UPS    s input circuit Reduce the load on the UPS by unplugging  battery even though breaker tripped equipment and reset the circuit breaker  normal line voltage is    UPS beeps occasionally  Normal UPS operation  Normal condition    UPS does not provide  The UPS    s battery is Charge the battery       Remove nonessential equipments  Front panel indicators  The UPS has been shut  None  The UPS will restart automatically  flash down by remote control  when utility power returns   sequentially  All indicators are flash  Internal UPS fault Do not attempt to use the UPS  Turn the    And the UPS emits a UPS off and have it service immediately  Constant tone    The UPS operates Building wire error such  Have a qualified electrician correct the building  normally  as missing ground or hot wiring  but the site wiring fault  to neutral wire reversal  indicator is lit    The UPS is shut down   None  The UPS will return to normal operation  Low battery light is on  and the battery is when the power is restored and the battery has  and all LED is off  discharged and a suffici
12. ent charge    exhausted    Weak batteries The batteries to recharge for at least four hours  The replace battery light If the problem still exists after recharging   is lit replace with batteries        13  Battery Pack Installation       Install up to 8 battery packs per xxxA L  model UPS following the instruction  below     1 2 3    BLACK                                                                                  1  Prepare the UPS to connect the battery pack s    2  Note the hotes used to attach the battery pack connector clamp   3  Insert the battery pack connector into the UPS     To install additional batte RED procedure using the battery pack  connectors on the battery packs   Note  Do not stack battery packs        14  Specifications    ooo BOA   sooA   1000A   1250A   1500A   2000A    INPUT    OUTPUT Voltage Pure sine wave output at nominal    5    on battery   Frequency 50 or 60Hz    0 5      on battery     Voltage AVR automatically increase output voltage 15  above input  Regulation voltage if  9  to 25  of nominal  AVR decrease output voltage  AVR 15  below input voltage if 9  to  25  of nominal    PROTECTION Spike Protection 320 Joules  2ms  AND Unit Input Fuse for overload  amp  short circuit protection  FILTERING    EMI RFI filter 10dB at 0 15MHz  50dB at 30MHz    Overload UPS automatic shutdown if overload exceeds 110  of nominal at  Protection 20 second and 125  at 2 seconds     2 4 milliseconds  including detection time  Short Circuit UPS output cut off
13. f the UPS s battery as a percentage of the battery  capacity  When all five LEDs light  the battery is fully charged  When only two  LED lights  the battery can supply less than two minutes of run time for the load     5 7 Cold start   When the UPS is off and there is no utility power  use the cold start feature to  apply power to the loads from UPS s battery  Press the ON TEST button  see  section 3 1 for location of the indicator on the front panel  until the UPS beeps     5 8 Shutdown mode   In shutdown mode the UPS stops supplying power to the load  waiting for return of  utility power  If there is no utility power present  external devices  e g   servers   connected to the computer interface can command the UPS to shutdown  This is  normally done to preserve battery capacity after the graceful shutdown of  protected servers  The UPS will scroll the front panel indicators sequentially in  shutdown mode     6 1  BACK UP   slow alarm    When in BACK UP mode  the YELLOW LED illuminates and the UPS sounds an  audible alarm  The alarm stops when the UPS returns to LINE NORMAL  operation    Press the ON TEST button during on battery alarms to stop the beeping     6 2  LOW BATTERY   rapid alarm    In BACK UP mode  when the battery energy runs low  the UPS beeps rapidly until  the UPS shuts down from battery exhaustion or returns to LINE NORMAL  operation     6 3  OVERLOAD   continuous alarm    When the UPS is overloaded  the connected loads exceed the maximum rated  capacity  th
14. here is no guarantee that interference to radio TV will not occur ina  particular installation  If this UPS causes interference to radio or television  reception  which can be determined by turning the UPS off and on  the user  is encouraged to try to correct the interference by one or more of following  measures    O connect the equipment to an outlet on a circuit different from that to which  the receiver is connected     increase the separation between the equipment and the receiver     reorient the receiving antenna    2  Safet    CAUTION      v To reduce the risk of electric shock  disconnect the UPS from the mains  supply before installing a computer interface signal cable  Reconnect the  power cord only after signaling interconnections have been made     v The internal energy source the battery  cannot be de energized by the user   The output may be energized when the unit is not connected to a mains    supply   v The right way to de energize the UPS properly in an emergency is to move    the I O switch to the OFF position and disconnect the power cord from the  mains supply     v The socket outlet shall be installed near the equipment and easily  accessible     v Attention  hazardous through electric shock  Also with disconnection of  this unit the main  hazardous voltage still may be accessible through supply  from battery  The battery supply should be therefore disconnected in the plus  and a pole when maintenance of service work inside the UPS is  considered     v 
15. ich must be pulled up to a  common referenced supply no greater than  40 Vdc   The transistors are capable of a maximum nonconductive load of 25 mAdc  Use  only pin 7 as the common     2 W Pin 5 generates a High to Low signal when the battery inside the UPS has  less than 5 minutes back up time left    3 W Pin 2 generates a High to Low signal when the line is fail    4 M The UPS will shut down when a high RS 232 level is sustained on pin 6 for  0 36 seconds    5 M Pin 9 is also the RS 232 data output    6 M Pin 6 is RS 232 data input  RxD     NOTE   1  Switch rating  40V  0 15A non inductive   2  Pin 7 should be connected to ground only        10  Battery Replacement    Your battery should run any where from 3 5 years before eve needing to be  replaced    Please follow the instructions below for easy battery replacement    1  Unplug unit from AC power source and disconnect all connected equipment   2  Disconnect AC power cord from unit     3  Turn unit upside down and using a phillips screw driver  unscrew the 4 screws  holding the top of the unit to the bottom  Put screws in a safe place for  reconnection    4  Holding the top together firmly with the bottom  turn the entire unit right side    up    5  Carefully lift top cover off and place to the side  The connecting wires and   electronics will be exposed  Be careful not to touch any inner components when   changing the battery    6  Remove the 2 connecting wires from the battery    7  You can now easily remove the battery
16. ndows 95 98 NT  Novell  Unix and other    popular systems     ENVIRONMENT  Ambient 3 500 meters max  elevation  0 95  humidity non condensing  operation 0 40 deg C  Audible noise  lt 40dBA  1 meter from surface  lt 45dBA  1 meter from surface    Storage 15000 meters max  elevation  condition          14  Specifications    MODEL   IA     oA 3000A TOOOAL   2000AL   3000AL   INPUT Capacity 2500VA 3000VA TOOOVA   2000VA   3000VA   Voltage      Voltage    25  at line input  Single phase  50 or 60Hz    5   auto sensing    OUTPUT Voltage Pure sine wave at    5  of nominal   10  after low battery   on battery  warning  50 or 60Hz    0 5   on batter  AVR automatically increase output voltage 15  above input  voltage if  9  to 25  of nominal  AVR decrease output voltage  15  below input voltage if 9  to  25  of nominal    Surge 320 Joules  2ms  Protection  FILTERING z    Unit Input Breaker for overload  amp  short circuit protection  EMI RFI filter 10dB at 0 15MHz  50dB at 30MHz    Overload UPS automatic shutdown if overload exceeds 110  of nominal at  Protection 20 second and 125  at 2 seconds     2 4 milliseconds  including detection time  Short Circuit UPS output cut off immediately or input fuse protection    Type Hot swappable  Sealed  Maintenance free lead acid  with 3 6  ears life time    Typical 4 hours  to 90  of full capacity   Recharge Time       Built in Charge  Current    Supplied a eee   External pack Depend on request  Packs    Automatic self test  amp  discharges protec
17. nitoring cable      1  Keep the unit clean and vacuum the ventilation intake periodically   2  Wipe with soft loose and damp cloth    3  Check for loose and bad connections monthly    4  Never leave the unit on an uneven surface    5  Position the unit to allow at least 10 cm clearance between the rear panel and  the wall  Keep the ventilation intake open    6  Avoid direct sunlight  rain  And high humidity    7  Stay away from fire and extremely hot location    8  Do not stack materials on top of the unit    9  The unit should not be exposed to corrosive air    10  The normal operating temperature is 0 40   C    9  Computer Interface Port    The computer interface port has the following characteristics   The communication port on the back of the UPS may be connected to host  computer  This port allows the computer to  monitor the status of the UPS and control the operation of the UPS in some  cased  lts major functions normally include  some or all of the following    X to broadcast a warning when power fails    X to close any open file before the battery reserves are exhausted    X to turn of the UPS   Some computers are equipped with a special connector to link with the  communication port  In addition  special plug in  card may be needed  Some computers may need a special UPS monitoring  software  Contact your dealer for the details on  the various interface Kits   The computer interface port has the following characteristics   1  Pin 5 and 2 are open collector outputs wh
18. t voltage 15  below input  AVR voltage if 9  to  25  of nominal    PROTECTION Spike Protection 320 Joules  2ms  AND Unit Input Fuse for overload  amp  short circuit protection  FILTERING    EMI RFI filter 10dB at 0 15MHz  50dB at 30MHz    Overload UPS automatic shutdown if overload exceeds 110  of nominal at 20  Protection second and 125  at 2 seconds     2 4 milliseconds  including detection time  Short Circuit UPS output cut off immediately or input fuse   breaker protection    Hot swappable  Sealed  Maintenance free lead acid   with 3 6 years  lifetime    Typ  Typical 4 hours  to 90  of full capacity   Recharge Time       Automatic self test  amp  discharge protection  Replace battery indicator    Back   up Time 10   30 minutes  depending on computer load     PHYSICAL Net Weight 18 0 23 5 26 1 28 4 55 2 57 8  Kg Ibs   39 6     51 7     57 4     62 4     121 4   127 1    Shipping Weight   19 5 25 0 27 7 30 0 58 0 60 0  Kg Ibs   42 9     55 0     60 9     66 0     127 6   132 0     WxDxH 483 x 381 x 130 483 x 508 x 221    Input Inlet IEC 320 power inlet  Receptacles NEMA 5 15R  115V  IEC 320 female appliance coupler  230V     ALARM Battery Slow beeping sound  about 0 25Hz    Battery Low Rapid beeping sound  about 1 00Hz   Overload Continue beeping sound    INTERFACE Support both Provide power management  amp  diagnostic functions including power  RS232  amp dry status  battery low  schedule UPS ON OFF  battery load level display  contact signal   and more  Compatible with Wi
19. tion  Replace battery  indicator  Back   up Time 10   30 minutes  depending on computer load     PHYSICAL Net Weight  Kg     220V 30    110V   220V 10  220V   20 2 21 26 8  Shipping Weight  Kay  3   se  al a    Nominal Battery 48V 48V 24V 48V  Voltage    z  Dimension mm    170x445  110V  140x445   170x450   170x580  WxDxH x200 170x580x215 x200   x215   x215       Battery Slow beeping sound  about 0 25Hz   Back Up    Battery Low Rapid beeping sound  about 1 00Hz   Continue beeping sound    INTERFACE RS 232 Bi directional communication port  nterface  CONFORMANCE  Safety cUL  TUV  CE  FCC    Meet IEEE 587 standard  Two years  including battery    ENVIRONMENT  Ambient 6 000 meters max  elevation  0 95  humidity non condensing  operation 0 deg C    Audible noise  lt 40dBA  lt 50 dBA  1 meter from surface  Storage 15000 meters max  elevation  condition       
20. ttery whenever it is connected to utility power  For best  results  charge the battery for 4 hours in the initial use     4 7 Connect the loads  Plug the loads into the output connectors on the rear of the UPS  To use the UPS  as a master on off switch  make sure all of the loads are switched on     Caution  Never connect a laser printer or plotter to the UPS with other    computer equipment  A laser printer or plotter periodically draws  significantly more power than when idle  and may overload the UPS     4 8 Check the Site Wiring Fault Indicator   After plugging in the loads and the UPS  check the site wiring fault indicator on  the rear panel  See section 3 17 for location of the indicator on the back panel  It  lights if the UPS is plugged into an improperly wired AC power outlet  Wiring  faults detected include ground  hot neutral polarity reversal  and overloaded  neutral circuit     CCC ee  lil il o  al i l 2058 4       5 1 Switch on  With the UPS plugged in  press ON TEST button less than 1 second to switch  the UPS on  The UPS will perform self testing each time when it is switched on     Note  When switched off the UPS maintains the battery charge and will  respond to commands received through the computer interface port     5 2 Switch off  By pressing and holding OFF button until the  LINE NORMAL  or  BACK UP   LED off     5 3 Self test   Use the self test to verify both the operation of the UPS and the condition of the  battery  In normal utility power  push the 
    
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