APC Silcon 10-40kW 208/480V UPS User Guide
APC Silcon10-40kW 208/480V UPSUser GuideCopyright 2000 APC Denmark ApSInformation in this document is subject tochange without notice and does not representa commitment on the part of the vendor
Thank YouThank you for chosing APC Silcon. Please read this User Guide thoroughly prior to installing thesystem as it provides important information on safe and efficient installation and use.The installation and use of this product must comply with national, federal, state, municipal andlocal codes.Safety Symbols used in this manualWARNING!Indicates a hazard which, if not avoided, could result in injury or death.CAUTION!Indicates a hazard which, if not avoided, could result in damage to the product orother property.NOTICE!Read and pay attention to this important information.WARNING!This UPS unit contains hazardous AC and DC voltages. Only qualified electricians should connect the UPS,AC line and external batteries, and must be familiar with batteries and battery installation.Before installing, maintaining or servicing the UPS, shut off the UPS and disconnect all sources of AC andDC power.As the UPS has no built-in disconnection devices to switch off external AC and DC input power, ensure thatdisconnection devices are available as separate parts in connection with the installation!The installer must provide each external disconnecting device for this UPS system with labels with thefollowing text:“Isolate the Uninterruptible Power Supply (UPS) as instructed in this guide before working on circuit”AC and/or DC voltage will always involve a potential risk of AC voltage at UPS output generated from eitherbatteries or utility. To avoid equipment damage or personal injury, always assume that there may be voltageat UPS output.This system is equipped with an auto-start function. If activated, the system may start without warning. Referto the “Programming” section for information on de-activation.TEST BEFORE YOU TOUCH!To reduce the risk of fire or electric shocks, install the UPS and external batteries in a temperature andhumidity controlled indoor area, free of conductive contaminants.UPS batteries are high-current sources. Shorting battery terminals, DC terminals or DC busbars can causesevere arcing, equipment damage and injury. A short circuit can cause a battery to explode. Always wearprotective clothing and eye protection and use insulated tools when working on batteries.CAUTION!This unit contains components sensitive to electrostatic discharge (ESD). If you do not follow the ESDprocedures, you may cause severe damage to electronic components.PLEASE RECYCLEThe shipping materials are recyclable. Please save for later use or dispose of them appropriately.990-40342User Guide APC Silcon 10-40kW 208V/480V UPS
Contents:1.0Introduction1.1Display Unit442.0Stop/Start UPS and Operating the External Service Bypass Panel2.1Stop UPS (for stand-by)2.2Start UPS (from stand-by)2.3Stop UPS (for complete power down)2.3.1 Switching off the UPS2.4Start UPS (from complete power down)2.4.1 UPS start-up2.5Operating the External Service Bypass Switch (single systems)2.5.1 Bypassing the Single System UPS2.5.2 Switching the Single System UPS from External Bypass intoNormal UPS Operation2.6Operating the External Service Bypass Switch (parallel systems)2.6.1 Bypassing the Parallel UPS System (All UPSs)2.6.2 Switching the Parallel System from External Bypass intoNormal UPS Operation2.7Isolating one UPS in a Parallel Configuration forService/Maintenance2.7.1 Isolating one UPS in a Parallel/Redundant System2.7.2 Switching Back the UPS to Normal Rarallel/Redundant Display of Measured Values3.3Using the Remote Display3.4Economy Mode17171819194.0Parameter Settings4.1Programming Keys4.2Switching to Bypass Operation2021215.0Alarms and Events5.1Displaying the Alarm Stack5.2Displaying the Event Stack5.3Possible Alarms5.4Rectifying Alarm Messages5.5Parallel Operation Alarms2323242427276.0Maintenance & Testing6.1Fan6.2Battery Monitoring Test6.3Battery Capacity Test282828287.0Warranty7.1APC Silcon UPS Limited Factory Warranty30308.0How to Contact APC3110121214990-4034User Guide APC Silcon 10-40kW 208V/480V UPS3
Introduction1.0 IntroductionThis UPS system is designed to offer reliable and problem-free power supply for several years.The system requires only a minimum of maintenance, but we recommend you follow themaintenance guidelines described in section 6.0 Maintenance & Testing.1.1Display UnitThe display unit (located on the front of the UPS) is the link between the user and the UPS andconsists of a display, an alarm LED indicator and a keyboard. The display reads parameters,measured values and alarm messages. Alarms and the pressing of keys will activate a backlight which is set to switch off automatically after 5 minutes of inactivity.By pressingandandsimultaneously you increase the back light contrast. The pressing ofsimultaneously decreases the contrast.The LED alarm is linked to an acoustic signal indicating incorrect operation. Alarms willchange the LED light from green to red. Use keyboard to program operating parameters andto display parameters / alarm messages.LCD-display withback lightAlarm LEDGreen: OKRed: AlarmKeyboardNOTICE!Display accuracy is 2%, 1digit.990-40344User Guide APC Silcon 10-40kW 208V/480V UPS
Stop/Start UPS and Operating the External Service Bypass2.0 Stop/Start UPS and Operating the External Service BypassPanelWARNING!AC voltage generated either from batteries or utility may be present at UPS output.Always disconnect AC input supply source, switch off UPS, AND switch off DC.TEST BEFORE YOU TOUCH!Some UPS systems have a factory-set autostart feature, automatically switching on UPSwhenever utility supply is switched on (AC line). See section 4.0 Parameter settings forinstructions on how to switch off this function.Only qualified electricians should start up or shut down APC Silcon UPS systems andinstructions in the Installation Guide should be followed. Prior to being serviced, the APCSilcon UPS must be left in shut-down mode for a minimum of 5 minutes.CAUTION!Refer to the Maintenance & Testing section in this guide if the UPS is to be taken out ofoperation for more than 48 hours.Users without electrical qualifications may switch UPS to and from stand-by-mode/normaloperation, following instructions below. (In stand-by mode, the UPS has no outputvoltage).2.1Stop UPS (for stand-by)CAUTION!If the UPS system is equipped with a service bypass panel, and if the load must remainenergized by utility, refer to the Operating Service Bypass Panel sections in this guide beforeproceedingActionOpen the front doorand activate red "OFF"push-button.2.2Display showsSystem offDescriptionThe red alarm LED lights up.Acoustic alarm soundsfor 30 secondsStart UPS (from stand-by)ActionOpen the front doorand activate the green"ON" push buttonDisplay showsNormal operationLoad power xx%990-4034User Guide APC Silcon 10-40kW 208V/480V UPS5
Stop/Start UPS and Operating the External Service Bypass2.3Stop UPS (for complete power down)2.3.1 Switching off the UPSCAUTION!If the UPS system is equipped with a Service Bypass Panel, and if the load must remainenergized by utility, refer to the Operating Service Bypass Panel sections in this guide beforeproceedingWARNING!TEST BEFORE YOU TOUCH!A special design feature switches the system into bypass operation in the event of internal powersupply failure or controller circuit failure to ensure uninterrupted output voltage.Because of this special feature, the UPS may contain output voltage even when it is switched off.1. Open front doors2. Note that step 3 will interrupt output voltage and activate the alarm!The red LED alarm below the display will light upThe acoustic alarm will sound for 30 seconds*Display shows3. Press the red OFF button.The red LED alarm below the display will light up**System OFF**The acoustic alarm will sound for 30 seconds*4. On systems with no Service Bypass Panel, switch off the utilitysupply**System OFF**5. The red LED alarm below the display will light upThe acoustic alarm will sound for 30 seconds6. Switch off battery breakers F001 and F002 in the Battery BreakerBox or battery cabinetRefer to LED indication and labelling in Battery Breaker Box orbattery cabinet. Only for systems with external batteries.7. To switch off utility supply, open Q001 – on systems withService Bypass Panel.8. The acoustic alarm sounds*Reset the acoustic alarm by pressingBlank.990-40346User Guide APC Silcon 10-40kW 208V/480V UPS
Stop/Start UPS and Operating the External Service BypassThe UPS is now isolated. Maintenance/repair, disconnection or removal can now be carried out.CAUTION!Recharge batteries out of service every 3 months to prevent damage.WARNING!Internal DC capacitor may contain energy even after the UPS has been switched off. Allow forautomatic discharge by waiting at least 5 minutes after switching off UPS and battery breakersbefore working on the UPS.2.4Start UPS (from complete power down)2.4.1 UPS start-upCAUTION!Make sure all cable connections are in place prior to first start-up.NOTICE!After first system start-up, check that battery temperature is displayable (pressandsimultaneously on the display – it reads NV (not valid) if incorrectly installed). A battery capacitytest is recommended after the electric installation.NOTICE!If for any reason the start-up procedure is interrupted, wait for the display to show the step 4message: “Stop charge DC capacitors : YES” and repeat procedure from there.CAUTION!Do not close the MCCBs in the Battery Breaker Box unless the display reads: “Insert fuse orclose MCCB” – otherwise the UPS may be damaged. If the display reads “DC capacitor chargeerror”, do not close MCCB.Call for assistance.WARNING!If “Autostart” is active the UPS will start automatically after step 9 (with a 1-minute delay)990-4034User Guide APC Silcon 10-40kW 208V/480V UPS7
Stop/Start UPS and Operating the External Service Bypass1. Check that the system has been in a stable environment for at least 12 hours enablingany condensation to evaporate prior to start-up.2. Open front door(s)Display shows3. Switch on utility power by closing Q001If dual utility close bypass input switch Q010See notice below.System type XXXXXX kVA - XXX4. Wait for approx. 10 secondsStop charge DCcapacitors : YES5. Presson the keyboardStart charge DCcapacitors : YES6. Presson the keyboardData stored7. Wait for approx. 1 secondStart charge DCcapacitors : YES8. Wait for approx. 1 minuteInsert fuse orclose MCCB9. Close MCCBs in Battery Breaker Box or Battery Cabinet10. Press the green ON button**System OFF**Normal operationload power XX%11. Close the front door(s)System start-up now completed.NOTICE!One of the following display messages will appear by UPS start-up: “STD”: Standard (single system) “PAR”: Parallel System “ECO”: Economy mode (single or parallel systems)(Last message has priority over the other two)kVA size (XXX) and the voltage reads: XXXkVA - 208 (220 or 480 Volt)990-40348User Guide APC Silcon 10-40kW 208V/480V UPS
Stop/Start UPS and Operating the External Service Bypass2.5Operating the External Service Bypass Switch (single systems)2.5.1 Bypassing the Single System UPSLoadUtilityService BypassSwitchAPC SilconUPSDisplay showsAction1. Presson the keyboard2. Pressor3. Presson the keyboard4. Presson the keyboardon the keyboard untilBypass operation: NOBypass operation: YESLamp indication onBypass Panel5. Check light indication on the bypass panelGreen light (H003)above the bypass switchhandle (Q003) lights up6. Set the external bypass switch (Q003) to position 1Green light (H002)above the output switchhandle (Q002) lights up7. Set the output switch (Q002) to position 0Only the light (H002)above the output switchhandle (Q002) is now onDisplay shows8. Open the front door and press the red OFF buttonThe acoustic alarm sounds for 30 seconds***System OFF**9. Set the input switch (Q001) to position 0The red alarm LED below the display lights up andthe acoustic alarm sounds for 30 seconds**Use thekey to reset the acoustic alarm990-4034User Guide APC Silcon 10-40kW 208V/480V UPS9
Stop/Start UPS and Operating the External Service BypassCAUTION!Do not leave UPS out of service for more than 48 hours. Refer to section 2.3 Stop (for completepower down).2.5.2 Switching the Single System UPS from External Bypass into Normal UPSOperationLoadUtilityService BypassSwitchAPC SilconUPS990-403410User Guide APC Silcon 10-40kW 208V/480V UPS
Stop/Start UPS and Operating the External Service BypassActionDisplay shows1. Set the input switch (Q001) to position 12. Wait 5 sec. Open the front door of the UPS andpress the green ON key3. Presson the keyboard4. Pressor5. Presson the keyboard6. Presson the keyboardon the keyboard until**System OFF**Normal operationload power 0%Bypass operation: NOBypass operation: YESLamp indication onBypass Panel7. Check light indication on the bypass panelGreen light (H002)above the output switchhandle (Q002) lights up8. Set the output switch (Q002) to position 1Green light (H003)above the bypass switchhandle (Q003) lights up9. Set the bypass switch (Q003) to position 0Only the light (H003)above the bypass switchhandle (Q003) is now onDisplay shows10. Presson the keyboard11. Pressor12. Presson the keyboard13. Presson the keyboard14. Presson the keyboardNormal operationload power 0%15. Presson the keyboardAll lights on the bypasspanel switched offon the keyboard untilBypass operation: YESBypass operation: NONOTICE!If battery has been disconnected, please refer to section 2.4.1 UPS start-up.990-4034User Guide APC Silcon 10-40kW 208V/480V UPS11
Stop/Start UPS and Operating the External Service Bypass2.6Operating the External Service Bypass Switch (parallel systems)2.6.1 Bypassing the Parallel UPS System (All UPSs)UtilityLoadServicebypassswitchAPC SilconUPSAPC SilconUPSCAUTION!Do not leave UPS out of service for more than 48 hours. Refer to section 2.3 Stop (for completepower down).990-403412User Guide APC Silcon 10-40kW 208V/480V UPS
Stop/Start UPS and Operating the External Service BypassActionSteps 1-4 apply to all the parallel systems. Note that this will switch all systemsinto bypass operation1. Presson the keyboard2. Pressor3. Presson the keyboard4. Presson the keyboardDisplay showson the keyboard untilBypass operation: NOBypass operation: YESBypass operationAll systems switch to bypass operationDo not switch off any of the UPS systemsuntil steps 5-8 have been completedLamp indication onBypass Panel5. Check light indication on the bypass panelGreen light (H003)above the bypass switchhandle (Q003) lights up6. Set the external bypass switch (Q003) to position 1Green light (H004)above the output switchhandle (Q004) and greenlights (H002) above theoutput switch handles(Q002) light up7. Set the output switch (Q004) to position 0H003 switches offH002 and H004 still on8. Set all output switches (Q002) to position 0H002 and H004 still onDisplay shows9. Open the front door of any one system and press the redOFF buttonThe acoustic alarm sounds for 30 secs*Repeat for (all) other system(s)**System OFF**10. Set all input switches (Q001) to position 0The red alarm LED below the display lights up andthe acoustic alarm sounds for 30 secs**Reset the acoustic alarm by pressing thekey.990-4034User Guide APC Silcon 10-40kW 208V/480V UPS13
Stop/Start UPS and Operating the External Service Bypass2.6.2 Switching the Parallel System from External Bypass into Normal UPSOperationUtilityLoadServicebypassswitchAPC SilconUPSAPC SilconUPSNOTICE!If battery has been disconnected, please refer to section 2.4.1 UPS start-up.990-403414User Guide APC Silcon 10-40kW 208V/480V UPS
Stop/Start UPS and Operating the External Service BypassActionDisplay shows1. Check that the output switch (Q004) is set to position 02. Check that all output switches (Q002) are set to position 13. Set input switches (Q001) to position 14. Wait 10 secs.Open the UPS front door andpress the green ON button on all systems5. Presson the keyboard6. Pressor7. Presson the keyboard8. Presson the keyboardon the keyboard untilAll systems switch to bypass operation**System OFF**Normal operationload power 0%Bypass operation: NOBypass operation: YESBypass operationLamp indication onBypass PanelNote!If Q002s are in position 0 off, only programmedsystems will switch to bypassH002 and H004 light up9. Set the output switch (Q004) to position 1Green light (H003) abovebypass switch lights up10. Turn the bypass switch (Q003) to position 0The green lamps (H002)and (H004) are switchedoff, but (H003) is lituntil normal operation.The following can be carried out on any UPS11. Presson the keyboard12. Pressor13. Presson the keyboard14. Presson the keyboardon the keyboard untilAll the systems will transfer to normaloperationDisplay showsBypass operation: YESBypass operation: NONormal operationload power 0%No lamps on the bypasspanel are lit990-4034User Guide APC Silcon 10-40kW 208V/480V UPS15
Stop/Start UPS and Operating the External Service Bypass2.7Isolating one UPS in a Parallel Configuration for Service/Maintenance2.7.1 Isolating one UPS in a Parallel/Redundant SystemUtilityLoadServicebypassswitchAPC SilconUPSAPC SilconUPSIn a redundant system one UPS may be isolated for service/maintenance without affectingother parallel UPS(s).Action1. Check that the remaining UPS(s) will be able to carry the load when one UPS is isolated.2. Switch off the system to be isolated for maintenence by pushing the red OFF button.3. Disconnect output and utility by setting output switches (Q002) to position 0 and inputswitch (Q001) to position 0. Disconnect battery by opening battery breaker.2.7.2 Switching Back the UPS to Normal Rarallel/Redundant OperationAction1. Set the input switch (Q001) and the output switch (Q002) to position 1.2. Charge capacitors, connect battery, and start up the UPS as described in 2.4.1. Start UPS(from complete power down).The UPS will automatically switch to normal operation and start load-sharing with the otherparallelled UPS(s).WARNING!The system will discharge built-in capacitors.ALWAYS check with a multimeter that the terminals contain no dangerous voltage beforetouching the system!NOTICE!With Q002 in position 0, the UPS can be operated and tested as a single system without affectingthe other parallel UPS(s) if correct monitoring device has been installed. Applicable to all bypasspanels.990-403416User Guide APC Silcon 10-40kW 208V/480V UPS
Operation3.0 OperationThe display unit will read parameters, alarms/messages and measured values. LED alarmincorporates audible alarm, indicating unusual operating situations. The keyboard is used toprogram and control parameters and to display alarm messages and measured values.3.1KeyboardDisplaysoutputy voltageDisplaysbattery voltageSchrolls upthrough listDisplaysinput voltageDisplaysbattery currentDisplaysoutput currentDisplaysinput currentSchrolls downthrough listDisplays timeStores parameters/enter parameterstackDisplaysoutput frequencyExits a modeSilences theaudible alarmAccessesalarm stackChoosesparametersNOTICE!By pressingandandsimultaneously you increase back light contrast. The pressing ofsimultaneously decreases the contrast.990-4034User Guide APC Silcon 10-40kW 208V/480V UPS17
Operation3.2Display of Measured ValuesTo read measurements, press one or two keys simultaneously as shown below. (Illustratedvalues are examples only).NOTICE!Please note mains utilityActionDisplay shows98.01.16System off10.22,13DescriptionYear, month, dayHour, minute, secondMains 1 voltage480 480 480VacUtility 1 voltageis 3 x 480VMains 1 current16 16 16AacUtility 1 currentis 3 x 16ABattery voltageSystemdc438437VoffBattery voltage is 438Vdc on battery 1437Vdc on battery 2Battery current 2AdcCharging current is ( ) 2 Adc(Discharging current ( ))Output voltage480 480 480VacOutput voltageis 3 x 480VOutput current15 15 15AacOutput currentis 3 x 15AOutput frequency60HzOutput frequencyis 60HzBattery temperature25 CBattery temperatureis 25 C (77 F)Output peak current22 22 22AOutput peak currentis 3 x 22ANormal operationload power xx%Batt. load : 0Batt. tank: 100Returns to normal status indication.If not pressed, automatic switch backwill be performed after 20 seconds.Battery load in percent.Left battery capacity in percent.990-403418User Guide APC Silcon 10-40kW 208V/480V UPS
Operation3.3Using the Remote DisplayThe remote display is an inactive unit that is unable to influence the operation of the APCSilcon UPS. It is impossible to adjust or otherwise influence the function of the UPS. Thealarms available on the remote display are at subset of the alarms, which can be read on theinternal display. Operation of Remote Display is described in section 3.0 above. Alarms available are described in section 5.0 Alarms. Readout of measurements as described in section 3.2 above.NOTICE!Time cannot be displayed from the Remote Display.3.4Economy ModeWhen the UPS is running in Economy Mode, the load will be supplied directly from utility andoutput voltages are UPS monitored. In the event of a utility disruption, the UPS will switch tobattery mode without affecting the load.Prior to switching to bypass mode, leave the system running in normal mode for 8-10 hours tocharge batteries to full capacity.To keep batteries fully charged, UPS is pre-programmed to switch back to normal operationwhenever necessary.Economy Mode not available for parallel configurations.At start-up, the system will at first go into normal operation to ensure a fully charged battery,and it will then switch into bypass after the programmed time (8-10 hours).NOTICE!Check cable dimensions as input power factor is not corrected with UPS running in EconomyMode.990-4034User Guide APC Silcon 10-40kW 208V/480V UPS19
Parameter Settings4.0 Parameter SettingsBelow tables show operating parameters programmable from keyboard. Only qualified usersshould alter programming parameters. See below examples.Parameter SettingsParameterSetting*CommentsBypass operationYES, NOYES will switch the system intobypass mode***LanguageGB, D, F, DK, S, SF, NL, PL, CZ,E, P, SK, HLanguages of text in displayAutostartYES, NOAutomatic restart by utility return(1 min. delay). Ensures quickbattery recharge.Remote shutdown activeYES, NOShutdown of UPS by remotesignal when in battery operation.Saves battery energy.Remote shutdownHIGH, LOWNature of remote shutdownsignal levelRemote shutdown time0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 min. Time delay on remote shutdownof UPSBattery capacity test–Initiates back-up time check.Time measured from start until itreaches low DC warning level(See User Guide, section 6).Battery monitor test **–Initiates checks of batterycondition by 25% discharging.Automatic battery test**OFF, 3,6 monthsActivates the battery monitor testin cyclic intervals.Battery monitor reset**–Press theandreset alarm(flashing light).Boost chargeYES, NOYES results in boost charge (10hours)Autoboost chargeYES, NOYES results in boost charge afterbattery operation (10 hours).Enter new dateYYMMDDSet to local dateEnter new timeHHMMSSSet to local time (24 hour clock)key to* Factory settings in bold** For systems with active Battery Monitor only*** Do not leave system running in bypass mode (Static bypass) for extended periods of time, asbatteries are not recharged in bypass mode.990-403420User Guide APC Silcon 10-40kW 208V/480V UPS
Parameter Settings4.1Programming KeysScrolls up through listScrolls down through list4.2Displays timeStores parameters/entersparameter stackReturn to normalwindowSilences the audible alarmAccesses thealarm stackChooses or changesparametersSwitching to Bypass OperationProgramming ExampleDisplay showsAction1. Pressto enter parameter stack2. Pressor3. Pressuntil4. Pressto store5. Pressto exituntilBypass operation: NOBypass operation: YESBypass operation990-4034User Guide APC Silcon 10-40kW 208V/480V UPS21
Parameter SettingsTo return to normal operationDisplay showsAction6. Pressto enter parameter stack7. Pressor8. Pressuntil9. Pressto store10. Pressto exituntilBypass operation: YESBypass operation: NONormal operationload power xx%Follow same procedure to program other parameters.990-403422User Guide APC Silcon 10-40kW 208V/480V UPS
Alarms and Events5.0 Alarms and EventsAlarms are indicated by the red lamp (above the left hand corner of the keyboard) and a 30seconds acoustic signal. An alarm is registered in the alarm stack as long as it is present, andif more in the same order as they arise.Certain alarms, such as battery alarms, need resetting. See section 4.0 Parameter Settings.All alarms are also registered in an event logger and remains there in a stack with room for250 events. The events are stored in the same order as they arose - showing the latest first.Besides the alarms the following operational modes are also stored in the event logger.ModeMPU is resetStand-byNormal operationBattery operationBypass operationSystem off5.1CommentsUPS has been completely switched offUPS has been in stand-by mode by parallel systemUPS has been in normal operationUPS has been in battery operationUPS has been in bypass operationUPS has been offDisplaying the Alarm StackActionDescription1. PressAccess to the alarm stack.2. Press3. PressorScroll up or down through the alarm stackmessages.Last message is "No (further) alarm".Exits the alarm stack. If not operated the systemwill exit the alarm stack automatically after 30seconds.990-4034User Guide APC Silcon 10-40kW 208V/480V UPS23
Alarms and Events5.2Displaying the Event StackAction5.3Description1. PressandPress the two keys simultaneously to get accessto the events stack2. PressorScroll up or down through the event stack(last message is "No (further) event").3. PressDisplays the time where the event happened.4. PressExits the event stack. If not operated the systemwill exit the event stack automatically after 30seconds.Possible AlarmsNOTICE!Please note mains utilityAlarmsDescriptionAction1. Peak current limiter activePeak current limiter activated andUPS switched to bypassoperation.System overloadCheck for blown fuses ininstallation2. Bypass power supply faultFault in redundant PSU forbypass. UPS still 100% able tooperate in all modes.Call for assistance3. Delta current limiter activeInput current limiter activated andUPS switched to bypassoperationCheck for overload.If message is repetitive call for assistance4. Faulty fanBlocked or faulty fanRemove blocking or replace fan5. High DC warningSwitching off big output loadIf alarm is repeated, reduce loadchange6. High DC shutdownUPS faultCall for assistance7. Off-button activatedOff button or emergency powershut down activated–8. Synchronization errorUPS unable to synchronize withinput frequencyCheck if phase rotation of mainsinput voltage is correct. If OK, callfor assistance9. Inverter voltage errorInverter average voltage outsidelimits (normal message duringsystem start-up/switch-off–10. Parallel synchronizationerrorParallel UPS unable tosynchronizeCheck external parallel cables call for assistance990-403424User Guide APC Silcon 10-40kW 208V/480V UPS
Alarms and Events11. Inverter current limiter activeInverter overloadReduce UPS output load12. Overload. Load exceeding100%UPS overloadReduce UPS output load13. Second power supply faultUPS fault(only systems 160kW)Call for assistance14. Internal power supply faultUPS fault. Only bypass operationpossibleCall for assistance15. Battery MCCB is offBattery MCCB/fuse not closed orreleasedClose MCCB / insert new fuse. Ifreleased again call for assistance.16. **Q004 off**Output switch position for UPS inparallel–17. **Q003 off**External bypass switch position–18. **Q002 off**UPS output switch position–19. **Q001 off**UPS input switch position–20. High temperature of isolationtransformerTemperature of isolation input/output transformer, too highCheck fan, check for airflowobstructions, check for overload21. High temperature of mainstatic switchTemperature of static inputswitch, too highCheck fan, check for airflowobstructions, check for overload22. High temperature of bypassstatic switchTemperature of static bypassswitch, too highCheck fan, check for airflowobstructions, check for overload23. Main inverter failureTemperature of main inverter, toohigh or inverter fuse blownCheck fan, check for airflowobstructions, check for overload,check fuse24. High temperature of deltainverterTemperature of delta inverter, toohighCheck fan, check for airflowobstructions, check for overload25. Low DC shutdownBattery discharged to minimumpermissible levelEnsure battery recharging26. Low DC warningBattery nearly dischargedSave your data now27. Mains momentarily outsidetoleranceShort disturbances on mainssupply (1 ms transients)–28. Mains outside toleranceMains input voltage R.M.S. valueoutside tolerance–29. Mains frequency outsidetoleranceMains input frequency outsidetolerance–30. Bypass momentarily outsidetoleranceShort disturbances on bypassvoltage–31. Bypass outside toleranceBypass input voltage outsidetolerance–32. Bypass frequency outsidetoleranceBypass input frequency outsidetolerance–33. Output momentarily outsidetoleranceShort disturbance on outputvoltage (inrush current)If message reappears call for assistance990-4034User Guide APC Silcon 10-40kW 208V/480V UPS25
Alarms and Events34. Output outside toleranceOutput voltage outside toleranceCall for assistance35. Output frequency outsidetoleranceOutput frequency outsidetoleranceCall for assistance36. High battery temperatureBattery ambient temperature toohighCheck system ambienttemperature, check fan, check forairflow obstructions37. Battery weakBattery capacity below 75% orbattery MCCB/fuse switched offTest battery capacity38. Battery defectiveInsufficient battery capacity orbattery MCCB/fuse switched offCall for assistance39. System locked in operationmodeUPS has made 10 attempts within1 minute to s
2.0 Stop/Start UPS and Operating the External Service Bypass Panel 5 2.1 Stop UPS (for stand-by) 5 2.2 Start UPS (from stand-by) 5 2.3 Stop UPS (for complete power down) 6 2.3.1 Switching off the UPS 6 2.4 Start UPS (from complete power down) 7 2.4.1 UPS start-up 7 2.5 Operating the External Service Bypass Switch (single systems) 9
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This manual is available in English on the APC Web site (www.apc.com). Dieses Handbuch ist in Deutsch auf der APC Webseite (www.apc.com) verfügbar. Este manual está disponible en español en la página web de APC (www.apc.com). Ce manuel est disponible en français sur le site internet d'APC (www.apc.com).
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