GXT 3x1
Contents
1. 0 Liebert nii User Manual Manual Reference number 63900100 En 06 02 This manual describes the following GXT Series UPS models EQUIPMENT PART NUMBER 6 kVA GXT 3x1 UPS GXT3X 1 6000 8 kVA GXT 3x1 UPS GXT3X1 8000 10 kVA GXT 3x1 UPS GXT3X1 10000 IMPORTANT All models in the UPS range are similar in both operation and use amp Liebert EM ERSO HIROSS a i O If you encounter any problems with the procedures contained in this manual you should seek immediate assistance from the Liebert Sales Office from whom the equipment was purchased Alternatively contact the Liebert s Customer Service amp Support department at the address shown below Liebert Hiross United Kingdom Customer Service and Support Department 4th Avenue Globe Park Marlow SL7 1YG Buckinghamshire Telephone 44 1628 403200 Fax 44 1628 403203 This department also arranges service contracts and full commissioning service 06 02 Page 111 UPStation GXT 3x1 USER MANUAL Page iv 06 02 6 Liebert Sa 10 11 USER MANUAL UPStation GXT 3x1 IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS WARNING Opening or removing the cover may expose you to lethal voltages within this unit even when it is apparently not operating and the input wiring is disconnected from electrical source Observe all cautions and warnings in this manual Failure to do so MA Y result in serious injury or death Refer all UPS2. Liebert s option Repairs or replacements are warranted for the remainder of the original warranty period Purchaser to make a warranty claim should call to obtain a Returned Goods Authorisation number and shipping instructions Return transportation costs to Liebert are the responsibility of the Purchaser LIFE SUPPORT APPLICATIONS Due to the diversity of applications and considerations to be applied in each case Liebert does not recommend or knowingly sells its products for such use The responsibility for risk assessment and management in applications where the malfunction or failure of the UPS could be reasonably expected to give rise to a risk of human life shall be the sole responsibility of the purchaser Liebert accepts no liability for consequential harm in such applications 06 02 UPStation GXT 3x1 6 Liebert
3. earth connections are required for the equipment ground conductors protective earth and grounding electrode conductor power system earth connection to reduce electrical noise and provide for safe operation of the UPS and connected loads Conduit used alone without a grounding conductor wire is not an acceptable connection Size ground protective earth conductors equal to circuit conductors 2 4 3 Connection of optional remote battery cabinets Full installation instructions are provided with these cabinets Safety EMC certification limits the use of these terminals to Liebert supplied options 06 02 Page 5 Chapter 2 Installation UPStation GXT 3x1 2 4 4 Stabilisers Levelling feet When the UPS is located in its final position before or after wiring it is necessary to fit stabiliser brackets and if necessary adjust the levelling feet If the UPS is wired using a rigid wiring system then movement of the UPS must be prevented by winding down the 4 levelling feet under the UPS as shown below For UPS wired with flexible cables this is optional Note Access to the levelling feet is obstructed by the stabiliser brackets on the GXT 3x1 6000 8000 10000 models Adjust the levelling feet as necessary using a 12mm open ended spanner wrench DO NOT LOOSEN THE LARGER NUT ABOVE AS THIS FIXES THE LEVELLING FEET TO THE CHASSIS Attach the stabilising brackets as follows GXT3x1 6000 GXT3x1 8000 GXT3x1 10000 models 1 Using a P
4. 50 60 Hz output freguency synchronization range Bypass Overload Protection 200 10 sec lt trip time lt 100 sec Characteristic Circuit Breaker 1000 5 msec lt trip time lt 3 sec BATTERY PARAMETERS Type Valve regulated nonspillable lead acid Qty x Voltage x Rating 20 x 12V x 7 0 Ah 40 x 12V x 7 0 Ah Recharge Time Internal Batteries Only ENVIROMENTAL Operating Temperature 3 hours to 80 capacity after full discharge into 100 load 0 C to 40 C 32 F to 104 F 15 C to 50 C 5 F to 122 F Relative Humidity 0 to 95 non condensing Up to 3000 m 10 000 ft at 40 C without derating 15 000 m 50 000 ft maximum lt 65 dBA at 1 metre Storage Temperature Operating Elevation Storage Elevation Audible Noise AGENCY Safety EN50091 1 1 1996 CE Low Voltage Directive EMI EMC EN50091 2 1995 Class A CE EMC Directive Immunity EN50091 2 IEC 801 2 3 4 5 06 02 Page 23 7 1 Chapter 7 Limited warranty Limited Warranty Page 24 LIMITED WARRANTY Liebert Corporation extends the following LIMITED WARRANTY to the purchaser and to its customer collectively referred to as the Purchaser the enclosed Uninterruptible Power System UPS and components are free from defects in materials and workmanship under normal use service and maintenance FOR A PERIOD OF TWO YEARS FROM THE DATE OF ORIGINAL PURCHASE from Liebert or the Liebert dealer or retailer THE FOREGOING WARRANTY IS THE ONLY WARRAN
5. MODE OPERATION UPS ON LED will be on and the inverter will provide power to the load BYPASS MODE OPERATION BYPASS LED will be on and the bypass will provide power to the load directly from the mains e OUTPUT OFF MODE OPERATION UPS ON and BYPASS LEDs will be off and the load will not have power AC LINE LED will be on and batteries will recharge 4 1 6 Starting the UPS with mains available 1 Ensure the load equipment is turned off and all loads are properly connected to the UPS output Verify that the mains supplying the UPS is turned on by closing any circuit breaker or switch on the supply side of the UPS 3 Turn On Close the BATTERY circuit breaker 4 Turn ON Close the INPUT and OUTPUT circuit breakers After a start up sequence the AC INPUT LED should be on If this LED is not on verify that the mains is turned on to the UPS from any external distribution panel or isolating switch 5 After about 10 seconds the UPS will automatically default to BYPASS MODE OPERATION The BYPASS LED should be on The load will now receive power but is not protected from disturbances in the mains 6 Press the UPS ON ALARM BATTERY TEST button for at least one second until you hear the audible alarm beep to signal acceptance of the command After a delay of about 10 seconds the BYPASS LED will extinguish and the UPS ON LED should light The UPS will then initiate a self test and battery test When these tests are complete the UPS is ready for
6. NORMAL UPS OPERATION 7 Confirm that the UPS ON and AC INPUT LEDs are on and the BATTERY and BYPASS LEDs are off 8 Connected load equipment may now be turned on Page 14 06 02 6 Liebert UPStation GXT 3x1 Chapter 4 Operating modes 41 7 Powering down the UPS with mains available Shutdown all connected load equipment Press the OUTPUT OFF BYPASS button once until a beep is heard The UPS ON LED will extinguish and the BYPASS LED will light if the BYPASS voltage is within an acceptable range The load is now powered through the BYPASS and there is no UPS protection The UPS will remain in BYPASS MODE OPERATION until the user continues with the next step to turn the UPS off 3 Press the OUTPUTOFF BYPASS button for at least 1 second twice within a 4 second time jnterval The BYPASS LED will extinguish and all power to the load will stop The UPS is in OUTPUT OFF MODE OPERATION and the AC LINE LED will be on 4 To isolate the UPS turn off the INPUT OUTPUT and BATTERY breakers on the rear of the UPS For complete isolation turn off the mains to the UPS Ne 4 1 8 Alternate quick powering down the UPS The UPS will skip past BYPASS MODE OPERATION directly to OUTPUT OFF MODE OPERATION even with mains available Shutdown all connected load equipment Press the OUTPUT OFF BYPASS button for at least 1 second twice within a 4 second time internal The UPS ON LED will extinguish and the BYPASS LED will light for a short perio
7. ON ALARM BATTERY TEST pushbutton to carry out battery test and ensure the load can be supported Note Full battery capacity will not be available until a battery recharge cycle has been completed The UPS is now ready for service In case of problems refer to the fault finding section or call your local distributor for advice Page 8 06 02 6 Liebert UPStation GXT 3x1 Chapter 2 Installation Intellislot DB 9 Communications Communications Port Port x x A a TAS IA x AN x 6 Output Voltage Selector Switches N wg Input A Breakers DE 2 se AC OUTAT BREAKER Il es x x 3 5 Output Breaker Battery Breaker 960 4 Kat All dimensions In mm Figure 2 3 GXT 3x1 6 8 10 kVA Rear panel controls 06 02 Page 9 Chapter 2 Installation UPStation GXT 3x1 This page is left blank intentionally Page 10 06 02 6 Liebert UPStation GXT 3x1 Chapter 3 Controls and indicators 3 CONTROLS AND INDICATORS Fault Indicator UPS ON Bypass Alarm Silence Manual Battery Test I UPS ON Output OFF BATTERY Bypass I AC INPUT Load Battery Level Indicators Figure 3 1 Front panel controls e Fault Indicator Red The Fault indicator is illuminated if the UPS has detected a problem Also one or more of the
8. OUTPUT OFF and BYPASS CAUTION Pressing this button once during normal operation will cause the load to be transferred to BYPASS power if BYPASS voltage is within 15 of nominal If the BYPASS voltage is outside this range transfer to BYPASS power will not be permitted to protect the connected load Pressing this button a second time within 4 seconds will result in loss of power to the output and connected loads in all cases Perform all necessary shutdown procedures on connected loads before pressing this button twice Page 12 06 02 6 Liebert UPStation GXT 3x1 Chapter 4 Operating modes 4 OPERATING MODES 4 1 Introduction 411 Normal mode operation UPS mode During normal operation mains power provides energy to the UPS The filters the power factor correction circuit and the inverter process this power to provide computer grade power to connected loads The UPS maintains the batteries in a fully charged state A ul The four green LED s indicate an approximate level of load in 25 gt Bypass increments If the UPS becomes loaded beyond full rating the fifth amber 76 100 i ups LED indicator will illuminate and sound an alarm j 51 75 The display template indicates the percentage of load on the UPS output BATTERY AC Boa INPUT N 26 50 Figure 4 1 Normal Mode Operation at 51 75 loading 4 1 2 Battery mode operation Battery mode occurs in event of an extreme input voltage condition or complete m
9. reduce number of loads connected to UPS Check load equipment for faults Fault and Bypass UPS internal fan has a Press Alarm silence button indicators and problem or UPS Ensure that there are no diagnostic LED A are shutdown due to obstructions in front panel illuminated temperature condition vents or on rear panel fans Load is on bypass and UPS is not overloaded power Once the temperature is reduced the UPS will restart and transfer the connected equipment to inverter power automatically Fault and Bypass UPS internal DC bus indicators and over voltage diagnostic LED B are illuminated Fault and Bypass UPS PFC fault indicators and diagnostic LED D are illuminated Fault and Bypass UPS inverter fault indicators and diagnostic LED E are illuminated Fault indicators and UPS failed the battery Replace batteries Contact diagnostic LEDA amp C test your dealer or technical are illuminated support Fault indicators and UPS shutdown due toa Your UPS has received a diagnostic LEDC E command from the signal or command from the are illuminated communications port s attached computer If this was inadvertent ensure the communication cable used is correct for your system For assistance contact your dealer or technical support UPS requires service Contact your dealer or technical support 6 3 Maintenance The UPStation GXT UPS requires very little maintenance The batteries are valve regulated non spil
10. second 6 2 Troubleshooting guide TROUBLESHOOTING GUIDE PROBLEM CAUSE SOLUTION UPS fails to start vhen UPS is short circuited Ensure UPS is off Disconnect on button is pressed or overloaded all loads and ensure nothing is lodged in output terminal block Ensure loads are not defective or shorted internally Internal fuse is blown Do not attempt to open or indicating internal fault service the UPS Contact your dealer or technical support has tripped overload Battery indicator is UPS input not UPS is operating from battery illuminated connected mode make certain UPS is securely connected to source UPS input protection UPS is operating from battery has opened mode Save data and close applications Replace UPS input fuse or reset input breaker then restart UPS Mains voltage out of UPS is operating from battery UPS input range mode Save data and close applications Ensure mains supply voltage is within acceptable limits for UPS battery time charged 24 hrs to recharge batteries reduce load level Batteries may not be Replace batteries Contact able to hold a full your dealer or technical charge due to age support Page 20 06 02 6 Liebert UPStation GXT 3x1 Chapter 6 Troubleshooting TROUBLESHOOTING GUIDE Fault and Bypass UPS overloaded or load Check load level display and indicators and all load equipment is faulty remove non essential loads level LED s are Recalculate load VA and illuminated
11. 12 UPS Remote shutdown option Shorting pins 5 and 6 on the DB9 connector will shutdown the UPS output in any mode of operation Removing the short circuit the UPS will automatically auto restart Where there is a requirement for a remote shutdown of the UPS to meet fire or other local safety codes it is necessary to interrupt at the same time with the same pushbutton all mains input supplies to the UPS The pushbutton that provides the UPS remote shutdown must be of the stay down type Latching to keep a short circuit on pins 5 and 6 until mechanically unlatched by hand Note The wiring for remote stop contacts pins 5 and 6 of the DB9 connector are defined as SELV When connecting to a stop button interfacing with other mains emergency stop circuits keep wiring segregated from other power wiring Page 16 06 02 6 Liebert UPStation GXT 3x1 Chapter 5 Communications 5 COMMUNICATIONS 5 1 UPS Monitoring The UPStation GXT 3x1 UPS has the capability of being monitored with stand alone computers network workstations network servers or UNIX hosts via the DB 9 socket located on the rear of the UPS This capability is used in applications requiring the UPS to provide status and power monitoring information to the computer system For example during a mains power failure the information can be used by the computer s operating system or application program to automatically save information in buffers to close files and shut down op
12. TY GIVEN AND NO OTHER WARANTY IS PROVIDED EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Certain aspects of disclaimers are not applicable to consumer products acquired by individuals and used for personal family or household purposes as distinguished from industrial or other purposes Local laws may not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you This warranty gives you specific legal rights and you may have other rights which vary according to local law Certain repairs or services are the responsibility of the Purchaser and the Purchaser is expected to pay for them This warranty does not extend either to products with removed or altered serial numbers or to any losses or damages due to act of God or source external to the product misuse accident abuse neglect negligence unauthorised modification alteration or repair use beyond rated capacity or improper installation maintenance application or use including without limitation use in a manner contrary to the accompanying instructions or applicable codes WARNING Warranty is void if the battery is allowed to discharge below the minimum battery cut off point The battery must be recharged every four 4 to six 6 months when not in use If the UPS fails to conform with the above warranty within the two year warranty period Liebert will repair or replace the UPS at
13. UPS for example electric drills vacuum cleaners laser printers hairdryers or any appliance using half wave rectification Storing magnetic media on top of the UPS may result in data loss or corruption Turn the UPS off and isolate the UPS before cleaning Use only a soft cloth never liquid or aerosol cleaners Keep the front and rear vents free of dust accumulation that could restrict airflow 06 02 Page v UPStation GXT 3x1 USER MANUAL GLOSSARY OF SYMBOLS Indicates AC Input Indicates Caution Note the accompanying instruction Indicates the position of a fuse gt gt Indicates AC Output Requests the user to consult the manual for additional information la Indicates that the unit contains a valve regulated lead acid battery Page vi 06 02 6 Liebert USER MANUAL UPStation GXT 3x1 ENGLISH Table of Contents 06 02 Page vii UPStation GXT 3x1 USER MANUAL SPECIFICATIONS Limited Warranty Page viii 06 02 6 Liebert UPStation GXT 3x1 Chapter 1 General Description Design Concept 1 GENERAL DESCRIPTION 1 1 Introduction Congratulations on your choice of the UPStation GXT Uninterruptible Power System UPS It provides conditioned power to microcomputers and other sensitive electronic equipment Upon generation AC power is clean and stable However during transmission and distribution it may be subject to voltage sags spikes or complete power failure which may interrupt comp
14. YPASS operation The four green LED s indicate an approximate level of load in 25 increments If the BYPASS becomes loaded beyond full rating the fifth amber LED indicator will illuminate and sound an alarm J gt I Bypass 76 100 UPS ON The display template indicates the percentage of load on the output E ENTER CAUTION The BYPASS power path does not protect the connected equipment f 25 50 ae from disturbances on the mains supply lo INPUT Figure 4 3 Bypass Mode Operation at 51 75 loading 4 1 4 Output off mode operation The UPS output may be disabled even when mains or batteries are available Output power may be enabled or disabled using both the front panel controls or communication options The UPS output may be disabled automatically when the mains is absent for an extended time and batteries have been discharged When the UPS is standing by in this mode with the mains power absent all panel LEDs and cooling fans will turn off Output power will be restored automatically upon restoration of mains CAUTION The UPS and loads are not isolated from hazardous voltages in this mode and output power could be restored at any time Follow instructions for powering down the UPS and fully isolating the equipment for maintenance 4 1 5 Manual operation with mains available Under normal circumstances the UPS will be operated with mains available The UPS can operate in three possible modes with mains available e NORMAL
15. ady state earth leakage currents which may occur when starting the UPS should be taken into account when selecting instantaneous RCCB or RCCD devices Note also that the earth leakage currents of the load will be carried by this RCCB or RCCD CAUTION This UPS does not incorporate automatic backfeed protection A warning label must be fitted to all primary power isolators stating ISOLATE UNINTERRUPTIBLE POWER SYSTEM BEFORE WORKING ON THIS CIRCUIT On start up the UPS will take a half cycle inrush current of up to 6 times the rated current This must be taken into account when selecting the overload protection device at the input mains supply distribution point To avoid random tripping on start up we recommend that the input mains supply be protected with an MCB capable of withstanding this initial inrush An MCB specified as being TYPE 4 British standard or CURVE D IEC standard is suitable for this purpose The mains input supply cable must be connected to the UPS via a wall mounted double pole circuit breaker rated to carry the current and be capable of breaking the maximum prospective short circuit current of this branch circuit The breaker is to be mounted within two metres of the UPS and be readily accessible to the operator 2 4 1 Electrical Connections The UPS is supplied with an input output battery terminal block assembly on the rear of the UPS within a cable box see outline drawing The cable box can be remo
16. ains failure The battery system supplies power through the Rectifier PFC to the inverter to generate power for the connected load During battery mode the AC Input LED will extinguish and the Battery LED will illuminate to warn that a mains problem has occurred An alarm will sound every 10 seconds This will change to 2 beeps every 5 seconds when battery runs low approximately 2 minutes remaining Each load battery level indicator A Fault ll Are BYPASS represents a 20 capacity level As capacity decreases fewer indicators remain 12 i UPS illuminated Refer to the Troubleshooting Guide EL j 2 To increase this time turn off non essential pieces of equipment such as idle Hoa EIERN computers and monitors or add an optional external battery cabinets riage CAUTION Turning off the UPS while in battery mode will result in loss of ho output power Once mains power is restored the UPS resumes normal operation At this time the Battery Charger begins recharging the battery Figure 4 2 Battery Mode Operation at 81 100 battery capacity 06 02 Page 13 Chapter 4 Operating modes UPStation GXT 3x1 4 1 3 Bypass mode operation During BYPASS operation mains power provideg energy to your load and maintains the batteries in a fully charged State The BYPASS will automatically power the load temporarily during overloads of the inverter when diagnostics detect equipment problems or when the operator A Fault selects B
17. and battery service to qualified service personnel Do not attempt to service this product yourself Never work alone SAVE THESE INSTRUCTIONS THIS MANUAL CONTAINS IMPORTANT SAFETY INSTRUCTIONS Read all safety and operating instructions before operating the Uninterruptible Power System UPS Adhere to all warnings on the unit and in this manual Follow all operating and user instructions This equipment can be operated by individuals without previous training This product is designed for Commercial Industrial use only It is not intended for use with life support and other designated critical devices Maximum load must not exceed that shown on the UPS rating label The UPS is designed for data processing equipment If uncertain consult your dealer See Limited Warranty This UPS is designed for use on a properly earthed grounded 208 240 VAC 50Hz or 60Hz supply for installation by qualified personnel A qualified electrician must review and approve customer supplied wiring circuit breakers intended loads and verify correct input output and earth connections to ensure compliance with technical standards and local electrical codes of practice Installation instructions and warning notices only for use by qualified personnel are located after the UPS operator instructions in this manual ELECTROMAGNETIC COMPATIBILITY The GXT3x1 6 amp 8 amp 10 kVA complies with the limits for a Class A digital device pursuant to EN50091 2 rules T
18. are is available to allow communication through several network management systems to be used in conjunction with the Intellislot SNMP card Contact your local Liebert representative dealer or reseller 5 4 SNMP Web Card The Intellislot SNMP Web Card provides SNMP and web based management to your UPS The card gives you the power to monitor and control your Liebert UPS from not only your Network Management Station but from any PC running Microsoft Internet Explorer Connecting to your UPS is a simple as launching a web browser 06 02 Page 17 Chapter 5 Communications UPStation GXT 3x1 5 5 Communications Interface Port The UPStation GXT 3x1 UPS contains a standard DB 9 socket located on the rear of the UPS unit Several signals are provided on this port and are assigned as follows PIN ASSIGNMENT DESCRIPTION Common O PIN ASSIGNMENT COLLECTOR TO EMITTER Common 6 PA MEC Open Collector 330 Ohms Open Emitter Maximum voltage and current on pins 1 7 8 9 is 80V DC 10 0 mA CAUTION TO MAINTAIN SAFETY SELV BARRIERS AND FOR ELECTROMAGNETIC COMPATABILITY SIGNAL CABLES SHOULD BE SEGREGATED AND RUN SEPARATE FROM ALL OTHER POWER CABLES BY 25mm WHERE APPLICABLE Page 18 06 02 6 Liebert UPStation GXT 3x1 Chapter 6 Troubleshooting 6 TROUBLESHOOTING The information below indicates various symptoms a user may encounter in the event the UPStation GXT develops a problem Use this i
19. ble alarm emit a double beep to signal acceptance of the command After a short delay the BATTERY LED should light The UPS will then initiate a self test and approximately 10 seconds after these tests are completed the UPS ON and BATTERY LEDs will light indicating that the batteries now power the load 4 Connected loads may now be started If the mains is not restored before the batteries are fully discharged the UPS will automatically turn off all power to the load NOTE Closely monitor remaining stored energy using the battery capacity LEDs or communication option If an orderly shutdown of the load is required it must be completed before the batteries are fully discharged 4 1 11 Powering down the UPS without mains 1 Shutdown all connected load equipment 2 Press the OUTPUT OFF BYPASS button once until a beep is heard The UPS will switch from BATTERY MODE OPERATION to OUTPUT OFF MODE OPERATION All LEDs will turn off and all power to the load will stop 3 To isolate the UPS turn off the INPUT OUTPUT and BATTERY breakers on the rear of the UPS For complete isolation turn off the AC supply to the UPS CAUTION When the UPS is in OUTPUT OFF MODE OPERATION without MAINS control panel LEDs and cooling fans will be off The UPS is not disabled and output power could be restored at any time Do not attempt to service the load or UPS without isolating the UPS 06 02 Page 15 Chapter 4 Operating modes UPStation GXT 3x1 4 1
20. connected to mains power 1 2 5 Battery The UPStation GXT employs valve regulated non spillable lead acid batteries At typical room temperatures and with the UPS float charging the battery system will last many years Optional external battery cabinets are available to provide extended run times 1 2 6 Static Bypass The UPStation GXT provides an alternate path for mains power to the connected load in the unlikely event of a UPS malfunction Should the UPS have an overload over temperature or UPS failure condition the UPS automatically transfers the connected load to BYPASS providing the bypass voltage is within specification BYPASS operation is indicated by an alarm and an illuminated BYPASS LED other LED s may be illuminated to indicate the diagnosed problem To manually transfer the connected load from the inverter to BYPASS power press the output OFF button once NOTE The BYPASS power path does NOT protect the connected equipment from disturbances on the mains supply and its range of operation is limited to 15 of the nominal input supply voltage 1 2 7 Auto re start Upon restoration of the mains AC power after a mains power outage and complete battery discharge the UPS will automatically restart and supply power to the critical load and the battery charger automatically recharges the battery Page 2 06 02 6 Liebert UPStation GXT 3x1 Chapter 2 Installation 2 INSTALLATION These instructions are for use by co
21. d then extinguish and all power to the load will stop The UPS is in OUTPUT OFF MODE OPERATION and the AC LINE LED will be on 3 To isolate the UPS turn off the INPUT OUTPUT and BATTERY breakers on the rear of the UPS For complete isolation turn off the mains to the UPS NOTE Pressing the OUTPUT OFF BYPASS button will always remove the load from UPS power protection Pressing the OUTPUT OFF BYPASS button for at least 1 second twice within a 4 second time interval will always remove power from the load Ne 4 1 9 Manual operation without mains The UPS operating time is limited by available battery power without mains The UPS may be manually turned off after the loads have been turned off to prevent the batteries from being completely drained It may also be desirable to power up the loads for a short time without mains power to support a critical operation With mains unavailable the UPS has two possible modes e BATTERY MODE OPERATION UPS ON and BATTERY LEDs will be on and the inverter will provide power to the load using battery power e OUTPUT OFF MODE OPERATION All LED s will be off and the load will not have power 4 1 10 Powering up the UPS without mains 1 Ensure the load equipment is turned off and all loads are properly connected to the UPS output 2 Verify that the BATTERY INPUT AND OUTPUT circuit breakers remain closed 3 Press the UPS ON ALARM BATTERY TEST button for at least one second until you hear the audi
22. erations prior to battery capacity depletion Monitoring of the UPS via a computer is as easy as downloading SiteNet MultiLink free from our web site een A MultiLink cable may also be built by following instructions provided on our web page You may also purchase a Liebert SiteNet 1 shutdown kit sold separately Consult your local Liebert representative to determine the correct software kit for your application The kit includes shutdown software and a special purpose cable 5 2 UPS Intelligent Communications The UPStation GXT 3x1 UPS has the capability to communicate intelligently with stand alone computers network workstations network servers or UNIX hosts via the DB 9 socket located at the rear of the UPS By purchasing the optional Liebert SiteNet 2 software package sold separately intelligent communications allows the following capabilities Quantitative monitoring of mains and UPS power Quantitative monitoring of internal UPS parameters Periodic tests of battery quality and replacement notification Timed and delayed shutdown of the UPS Logging of power disturbances and anomalies gt gt 9 Consult your local Liebert sales representative for more information about SiteNet 2 software 5 3 UPS Intellislot Communications The UPStation GXT 3x1 UPS contains an Intellislot communications port for the optional internal MultiPort 4 card AS400 card or Ethernet SNMP card Optional SiteNet SNMP Manager softw
23. est feature functions with either SiteNet 2 or SiteNet SNMP Manager software and can remotely initiate the battery test e UPS ON Alarm Silence Manual Battery Test Button This button controls output power to connected load s and has three functions UPS ON Alarm Silence and Manual Battery Test To start the UPS while in the BYPASS mode press this button until the command is acknowledged by a beep from the audible alarm This will provide conditioned and protected power into the output terminal block To silence alarms press this button for at least one half second while alarm conditions are present After the alarm is silenced the UPStation GXT will reactivate the alarm system to alert of additional problems NOTE The low battery and BYPASS reminder alarms cannot be silenced 06 02 Page 11 Chapter 3 Controls and indicators UPStation GXT 3x1 e BATTERY TESTING To initiate a manual battery test press this button for at least one half second while operating in normal UPS mode power and no alarm conditions are present If the bottom two LED s do not illuminate during a Battery Test allow the UPS to recharge the batteries for 24 hours After 24 hours retest the batteries If the batteries have been re tested and the bottom two LED s still do not illuminate contact your dealer or Global Services for a battery replacement e OUTPUT OFF BYPASS Button This button controls output power to connected load s and has dual functions
24. ferrite bead s case 06 02 Chapter 2 Installation Clamp snap bead with cable enclosed Clamp bead with cable N enclosed iy Wrap cable once around ferrite bead Page 7 Chapter 2 Installation UPStation GXT 3x1 2 5 Commissioning the UPS 2 5 1 Output Voltage Selector Switches The Output Voltage Selector Switches located on the rear of the UPS are designed to allow selecting or changing the desired output voltage to match the mains The settings to choose from are 208 220 230 and 240 VAC output 230V Units 208 VAC AN both switches up 220 VAC NX first switch up second down 230 VAC JV both switches down Factory Default 240 VAC yA first switch down second up NOTE NEVER change the switch settings while UPS is on and powering connected loads 1 Adjust the output voltage switch settings to the desired value 2 Follow the instructions for Powering up the UPS referenced earlier in this manual Sequence through the operating modes using the front panel pushbuttons in accordance with operating instructions to check functionality of the UPS 3 Set the UPS to NORMAL MODE OPERATION UPS mode Check on the output terminals of the UPS for the correct output voltage for the voltage rating of the intended loads 4 In NORMAL MODE OPERATION UPS mode power up customers load and check that it is within the UPS rating by observing the front panel LED s 5 In UPS mode press the UPS
25. hese limits provide reasonable protection against harmful interference in a commercial environment This device generates uses and radiates radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operating this device in a residential area is likely to cause harmful interference which the user must correct at his own expense Operate the UPS in an indoor environment only in an ambient temperature range of 0 C to 40 C 82 F to 104 F Install it in a clean environment free from moisture flammable liquids gasses or corrosive substances This UPS contains no user serviceable parts The UPS ON OFF pushbuttons do not electrically isolate internal parts Under no circumstances attempt to gain access internally due to the risk of electric shock or burn Do not continue to use the UPS if the front panel indications are not in accordance with these operating instructions or the UPS performance alters in use Refer all faults to your dealer Only trained engineers authorized by Liebert should perform troubleshooting To replace batteries refer all servicing to qualified service personnel PROPER DISPOSAL OF BATTERIES IS REQUIRED REFER TO YOUR LOCAL LAWS AND REGULATIONS FOR DISPOSAL REQUIREMENTS Never block or insert any object into the ventilation holes or other openings DO NOT CONNECT equipment that could overload the UPS or demand DC current from the
26. hillips head screwdriver remove the three inner most screws at the base of both side panels 2 Attach the stabilisers fixing with the screws just removed Figure 2 2 Levelling Feet Adjustment Diagram Page 6 06 02 6 Liebert UPStation GXT 3x1 2 4 5 Ferrite bead installation When using either of the options below to reduce the risk of radio interference fit the ferrite assemblies supplied with the UPS as follows 2 4 6 Serial Communications Attach the smaller enclosed ferrite bead clamp to the communication cable as shown in the drawing using the following directions Open the ferrite bead Place the communication cable inside the ferrite bead groove Position the ferrite beads as close as possible to the end of the cable that connects to the DB9 connector of the UPS Close the ferrite bead so that the ferrite bead s case snaps closed with the cable routed inside the ferrite bead s case 2 4 7 SNMP Installation When fitted Attach the larger enclosed ferrite bead clamp to the network cable as shown in the drawing using the following directions Open the ferrite bead Place the network cable inside the ferrite bead groove Wrap the cable once around the bead Position the ferrite cable as close as possible to the end of the cable that connects to the UPS Close the ferrite bead so that the ferrite bead s case snaps closed with the cable routed inside the
27. lable lead acid and should be kept charged to obtain their designed life The UPS continuously charges the batteries when connected to the mains supply When storing the UPS for any length of time it is recommended to apply power to the UPS for at least 24 hours every four to six months to ensure full recharge of the batteries In no case should the unit be stored in excess of nine months without recharge Periodically examine the vents on the front and rear of the cabinet and remove any obstructions from the surface of the vents 06 02 Page 21 Chapter 6 Troubleshooting UPStation GXT 3x1 This page is left blank intentionally Page 22 06 02 6 Liebert UPStation GXT 3x1 Chapter 7 Specification 7 SPECIFICATIONS SPECIFICATIONS WxDxH 13 4 x 25 6 x 37 8 WxDxH 20 1 x 33 1 x 48 6 21 TI 186 VAC to 280 VAC 5 LN a de 322 VAC to 485 VAC 5 ra 159 VAC L N to 280 VAC 5 L N gt L PO ed 275 VAC to 485 VAC 5 L L 46 6 52 4 or 57 1 62 9 Hz 0 1 HZ auto sensing 208 220 230 240 VAC switch selectable 3 50 Hz or 60 Hz auto sensing 112 to 130 for 10 seconds minimum GXT3X1 10000 10000 7000 Main Mode Overload 131 to 200 for 8 cycles min gt 201 for 96 msec min with transfer to bypass BYPASS PARAMETERS Default Acceptable Input Voltage F for transfer to BYPASS Nominal 15 User selectable Default Acceptable Input 3 bana for transfer to Same as
28. load battery level indicators may be illuminated refer to Troubleshooting Guide e BYPASS Indicator Amber The BYPASS indicator is illuminated when the UPS is operating from BYPASS power An alarm will sound indicating the UPS detected a problem or manually set to BYPASS e UPS ON Indicator Green The UPS On indicator is illuminated when the UPS inverter is operating and supplying power to your connected loads e Battery Indicator Amber The Battery indicator is illuminated when the UPS is operating from the battery system An alarm will sound indicating the UPS is powered from batteries e AC Input Indicator Green The AC Input indicator is illuminated when mains power is available and within the input specification e Load Battery Level Indicators 4 Green 1 Amber The Load Battery Level indicators have dual functions During NORMAL mode operation LED indicators display the approximate electrical load placed upon the UPS and during battery mode operation LED indicators display approximate battery capacity The UPStation GXT 3x1 is equipped with automatic and remote battery test features The automatic test occurs every 14 days if a manual battery test has not been performed or if mains has not been interrupted 14 day timer resets if unit goes to battery Should the battery fail this test the fault indicator along with the A and C diagnostic LEDs will illuminate and an alarm will sound refer to Troubleshooting Guide The remote t
29. mpetent personnel only 2 1 Installation considerations Detailed instructions to help you install the UPS are provided in the following pages however you should give some consideration to the proposed environment in which the UPS is to be installed and carry out some preparatory work 2 2 Unpacking and inspection Before you install the UPS give it a thorough visual examination to ensure it has not been subjected to shipping damage If it is not in perfect condition you should advise both the shipper and the supplier immediately DO NOT ATTEMPT TO INSTALL A DAMAGED UPS Before disposing of the UPS packaging check that you have removed to a safe place the user manual and any other items shipped with the unit to be used in its installation CAUTION GXT3x1 6kVA UPS weighs up to 227kg 500 Ibs GXT3x1 8 amp 10 RVA UPS weighs up to 284kg 626 lbs Use adequate handling aids when moving or installing the UPS The UPS is fitted with castor wheels for easy movement Take care when the UPS is removed from its packing and being wheeled across an uneven floor without the stabilisers fitted that it does not tip over Follow the instructions in Chapter 2 Stabilisers Levelling feet IMPORTANT Check the UPS rating plate that the UPS is suitable for operation on your MAINS voltage and load voltage requirements before installing 2 3 Location Locate the UPStation GXT indoors in a controlled environment where it cannot be accidentally disco
30. nformation to determine whether external factors cause the problem and how to remedy the situation The fault indicator will illuminate indicating the UPS detected a problem An alarm will sound alerting that the UPS requires attention 3 One or more additional load battery level LED indicators will be illuminated to provide a diagnostic aid to the operator as described below ea Load Battery Level Indicator All On bypass due to output overload beep every half second A On bypass due to over temperature condition beep every 4 seconds B On bypass due to DC bus over voltage beep every 4 seconds D On bypass due to PFC failure beep every 4 seconds E On bypass due to inverter failure beep every 4 seconds ASC UPS failed battery test long beep every minute C amp E UPS shutdown due to command from communication port SNMP no beep The fault indicators will be illuminated indefinitely while battery charger is operational or for a maximum of 5 minutes while battery charger is not operational If a problem persists consult your dealer or contact Technical Support World Wide Technical Support numbers are located at the end of this manual 06 02 Page 19 Chapter 6 Troubleshooting UPStation GXT 3x1 6 1 Audible Alarm Conditions CONDITION ALARM Battery mode utility failure One short beep every ten seconds Low battery Two short beeps every five seconds Output overload bypass One short beep every half
31. nnected Locate it in an area with unrestricted airflow away from water flammable liquids gases corrosives or conductive contaminants Air vents are located at the front and rear of the UPS Give consideration to the airflow requirements see below and allow at least 150mm 6inches free space around the UPS with a minimum of 300mm 12inches at the back to enable easy operator access to the rear panel mounted input output battery circuit breakers Electrical maintenance servicing requires access to both sides of the UPS provide the necessary free space or use a flexible wiring system to allow the UPS to be pulled forward Maintain an ambient temperature range of O 40 centigrade 32 104 F NOTE UPS operation in temperatures above 25 C 77 F reduces battery life Mode Output Rating VA Cfm mh Watts K Btu hr Watts GXT3x1 6 KVA 6000 4200 GXT3x1 8kVA 8000 5600 GXT3x1 10 kVA 10000 7000 Table 2 1 06 02 Page 3 Chapter 2 Installation UPStation GXT 3x1 2 4 Electrical installation considerations This UPS must be installed by competent electrical personnel and wired in accordance with local national electrical codes The following information is provided for your guidance IMPORTANT EARTH CONNECTION IS ESSENTIAL BEFORE CONNECTING THE MAINS SUPPLY Earth in accordance with local electrical codes CAUTION This UPS is fitted with EMC suppression filters Earth leakage exceeds 35mA Transient and ste
32. requency interference RFI They minimize any surges or interference present in the mains line and keep the sensitive equipment protected 06 02 Page 1 Chapter 1 General Description UPStation GXT 3x1 Design Concept 1 2 2 Rectifier Power Factor Correction PFC circuit In normal operation the rectifier power factor correction PFC circuit converts mains AC power to regulated DC power for use by the inverter while ensuring that the wave shape of the input current used by the UPS is near ideal Extracting this sinewave input current achieves two objectives the mains power is used as efficiently as possible by the UPS and the amount of distortion reflected on the mains is reduced This results in cleaner power being available to other devices in the building not being protected by the UPStation GXT 1 2 3 Inverter In normal operation the inverter utilises the DC output of the power factor correction circuit and inverts it into precise regulated sinewave AC power Upon a mains power failure the inverter receives its required energy from the battery through the rectifier PFC In both modes of the operation the UPS inverter is on line and continuously generating clean precise regulated AC output power 1 2 4 Battery Charger The battery charger utilises energy from the Rectifier PFC and precisely regulates it to continuously float charge the battery system The battery system charges whenever the UPStation GXT is
33. uter operations cause data loss or even damage equipment The UPStation GXT protects equipment from these disturbances The UPStation GXT is an on line UPS that continuously conditions and regulates its output voltage whether the mains power is present or not It supplies connected equipment with clean sinewave power Sensitive electronic equipment operates best from sinewave power The GXT 3x1 230X models have an additional output isolation transformer For ease of use the UPStation GXT contains a light emitting diode LED display to indicate either load percentage or battery capacity depending upon the mode of operation It also provides self diagnostics a combination On Alarm Silence Manual Battery Test button a combination Off Bypass button and two levels of alarms when the unit is operating on battery The UPStation GXT has an interface port for communications between the UPS and a LAN server or other computer system This port provides detailed operating information including voltages currents and alarm status to the host system when used in conjunction with the SiteNet 2 software SiteNet 2 software can also remotely control UPS operation 1 2 Major components Rectifier PFC Inverter lo ZZ Static Bypass OUTPUT TRANSFORMER GXT 230x models only Battery Figure 1 1 1 2 1 EMI RFI filters These UPS components provide surge protection and filter both electromagnetic interference EMI and radio f
34. ved to enable knockouts to be removed or new holes drilled to secure the cables The cable sizes and distribution methods used during installation are subject to local national electrical codes of practice and therefore are not detailed here The following tables detail the standard current ratings The UPS rating plate gives details of the current ratings for alternative output voltages The terminals will accept wire sizes up to the values below Model Cables sizes INPUT CURRENT Amps max normal mode 8A GXT3x1 6000 10 mm bypass mode 26A GXT3x1 8000 16mm bypass mode 35A 2 normal mode 13A GXT3x1 10000 16 mm bypass mode 44A Page 4 06 02 6 Liebert UPStation GXT 3x1 Chapter 2 Installation 2 4 2 Connecting the UPS power cables Power cables connect to screw terminals on a terminal block that is located behind the rear mounted cable box see figure Permanent wiring must be routed to the cable box using appropriate materials as required by local codes The cables enter the UPS through a Gland Plate attached to the rear of the UPS The Gland Plate must first be removed and drilled to suit the glands or bushes for the cables used Ensure that the glands are sized so that they hold the cables securely UPS Power Section TENERTE y Ti To Maine Te oad To External Battery Optional 6 8 10 kVA Figure 2 1 Safety earth cable Properly grounded earthed equipment provide multiple benefits High quality ground
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