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MGE UPS Systems EPS 6000 User's Manual

1. INPUT OUTPUT BATTERY CONNECTIONS CONNECTIONS CONNECTIONS A3 B3 C3 4 B4 C4 o o o o Q1 Q5N o o oj 0 0 0 A12B12 C12 Mj A1 Bi C N12 F 4 30 0 A2 c2 B2 AC CAPACITORS Operation User s guide GROUND CONNECTION BONDING JUMPER SHUNT L2 CURRENT XFMRS ACPZ ARUZ L4 2 17 EPS 6000 UPS Shared Systems Figure EPS 6000 Major Internal Components Shared 500 kVA UPS Module UPS Cabinet d dd 3 14 5 LI Lii 2 13 AC CAPACITOR ASSEMBLY FANS x 8 FB1 TO FB8 EPOZ CHARGER amp TREZ BEHIND PLATE AC OUTPUT CAPACITORS CARD CAGE 1 GTCZ PCA SRIZ PCA CRIZ PCA CROZ DO6Z PCA AROZ PCA ALEZ PCA amp K3NZ K3N STATIC SWITCH OUTPUT FUSES F7 F8 F9 2 18 ooo TOP VIEW COVER REMOVED FRONT VIEW DOORS AND COVERS REMOVED EAE FAN TRANSFORMER IBEZ OBEZ o o 1293456 NEUTRAL Operation RAUZ
2. Introduction User s guide FAN TRANSFORMER FB9 IBEZ PCA DC CAPACITORS BEHIND EACH INVERTER INVERTER FUSES BEHIND F24 F26 F28 F30 F32 F34 INVERTERS x6 DOUZ ALBZ F10 F11 ACOZ AC OUTPUT CAPACITOR ASSY 1 11 EPS 6000 UPS Shared Systems Figure EPS 6000 Major Internal Components 1 10 Static Switch Cabinet SSC zsss HOLIMS OILWLS HOLIMS 21 15 TANVd 30 3916 6138 213 L13 53504 21895 7319 vod zouv vod 231 vod a Ser NSO LINDYIO 2 238 vod TANVd 30 3216 E199 119 2380 zdOV vod Ja errr 4 2178 2007 vod zod3 vod 30 341 611 H3 INHOJSNVHL 8 L
3. gt o I 1293456 522 6529 H QUON ts NEUTRAL oo Introduction 119 RAUZ DC CAPACITERS BEHIND EACH INVERTER INVERTERS x6 APOZ ALBZ F10 F11 F18 F19 F12 F13 DELAY BATTERY CONNECTION OPTIONAL AC CAP ASSY K1 Figure EPS 6000 Major Internal Components 1 7 Shared 750 kVA UPS Cabinet 1 Neutral Ground Connection Choke Connection Resistors Capacitors H y i Bonding Top view Jumper Ground Zonnection Input Output Connections Connections Battery Connections A3 B3 C3 A4 G 09 Relay Fuses Pf Q5N cria Q1 optional Input fuses x OON F1 F2 Tt EET ARUZ ID nterconnect CT 7 Input Filter Capacitors Front view doors cover and some components removed for c Static Switch arity Introdu
4. 1 1 1 PAPRA A 111 lt CIRCUIT BREAKER PROZ 1 1 Q5N 1 CARD CAGE i NU 1 1 1 aa 1 1 ALEZ PCA AROZ PCA GTCZ STATIC SWITCH PCA SRIZ FUSES F11 F12 amp F13 FAR SIDE OF PANEL In the UPS modules Q1 Input isolation circuit breaker used to isolate the UPS module from the main AC input mains 1 source and provide input current protection Q5N UPS isolation circuit breaker used to isolate the UPS module from he attached load K3N Inverter output contactor automatic used to isolate the inverter when it is off In the circuit of the battery of each UPS module QF1 Battery disconnect circuit breaker used to disconnect the battery from the UPS QF1 provides isolation and protection between the UPS module and its battery system 2 22 Operation 2 3 User s guide Using the This section describes operation and use of the alphanu display in detail Alphanumeric alphanumeric display interacts with the user the top Display half of the hidden panel Figure 2 4 Figure 2 18 shows the general organization of the alphanumeric display During normal operation when there are no alarm conditions present and the load is supplied by the UPS inverter output the display will present the general status message When there are alarm conditions the display will present
5. 5 6000 5 Shared Systems User s Guide UPS SYSTEMS 1 IMPORTANT SAFETY INSTRUCTION SAVE THESE INSTRUCTIONS This manual contains important instructions for the EPS 6000 series UPS Systems that must be followed during installation operation and maintenance of the equipment WARNING OPENING ENCLOSURES EXPOSES HAZARDOUS VOLTAGES ALWAYS REFER SERVICE TO QUALIFIED PERSONEL ONLY WARNING As standards specifications and designs are subject to change please ask for confirmation of the information given in tihs publicaion This manual is a controlled document pages should not individually be removed from this binder NOTE This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense prepared for EPS 6000 Shared Systems User s Guide For service call 1 800 438 7373 86 130034 00 00 11 96 Copyright 1996 MGE UPS Systems Inc All rights reserved Printed in U S A E MGE UPS Systems 1660 Scenic Avenue UPS SYSTEMS Costa Mesa CA 92626 714 557 1636 EXER 7 2 EPS 6000 UPS Shared Systems User s Guide Warrant
6. CABINET E Poe eee EPS 6000 UPS MODULE 5 STATIC SWITCH 5 Cat x LI INVERTER I A ew s gt INPUT ourPUT FUSES RECTIFIER FUSES M CHARGER eee ee eee LEE XD EPS 6000 BATTERY 97 OF Li Li Introduction 1 3 EPS 6000 UPS Shared Systems 1 2 1 2 1 1 2 2 1 2 3 1 2 4 Description of UPS Following is a description of the EPS 6000 UPS major internal components Refer to the single line diagram Module Major provided in Figure 1 2 and the component locators provided in Figure 1 3 through Figure 1 10 Internal Components Rectifier Batte ry The rectifier battery charger converts the AC input voltage from the utility source into a DC voltage supplying the Charger inverter and regulating the charge of the battery system A capacitor bank filters the DC voltage Inverter The inverter chops the DC voltage supplied from either the rectifier battery charger or the battery system into a three phase AC voltage An AC output filter is used to achieve a computer grade sinewave output voltage waveform with a total harmonic distortion of less than 2 under linear load conditions Inverter During normal operation the inverter transformer provides complete electrical isolation between the UPS output to the Transformer attached load and the utility power sou
7. is in the OFF open position if present System output isolation circuit breaker Q5N is in the OFF open position if present Input power supply switches SW1 and SW2 are in the ON closed position The upstream bypass AC input mains 2 circuit breaker 045 customer supplied is in the OFF open position If present the upstream maintenance bypass circuit breaker customer supplied is in the OFF open position Sta rt up The following start up procedure should be performed during the initial start up following installation of the system and this sequence should be followed any time that the EPS 6000 UPS system is being restarted from an off condition i e after the UPS has been powered down by removing the upstream AC input power and opening all the circuit breakers of the UPS system Apply power to 045 by closing the upstream circuit breaker supplying 045 and the upstream circuit breaker supplying the optional maintenance bypass input if present Apply power to the UPS modules by closing the upstream circuit breaker supplying the main AC input mains 1 Start the SSC 1 Close the optional system maintenance bypass circuit breaker Q3BP if present in the maintenance bypass cabinet Power is now available at the SSC output the load is energized via the maintenance bypass source 2 Close the upstream circuit breaker 045 that supplies the bypass input to the SSC The SSC will come on line after a
8. 2ea one on other side Cooling fans 2ea Side View 2 19 EPS 6000 UPS Shared Systems Figure EPS 6000 Major Internal Components 2 15 Shared 750 kVA UPS Module UPS Cabinet 2 AC CAPACITOR ASSEMBLY L L L 3 4 5 FANS x 8 TRANSFORMER TOP VIEW COVER REMOVED FB1 TO FB8 FRONT VIEW DOORS AND COVERS REMOVED DC CAPACITORS PEU BEHIND EACH INVERTER 2 INVERTER FUSES BEHIND 12 314 516 F24 F26 F28 F30 F32 F34 INVERTERS x6 ALBZ 1 ROM F10 F11 AC OUTPUT um CAPACITORS STATIC SWITCH m 0 0 N 0 A 0 25 OUTPUT FUSES NEUTRAL 2 20 Operation User s guide Figure EPS 6000 Major Internal Components 2 16 Shared 750 kVA UPS Module UPS Cabinet 3 AC CAPACITOR ASSEMBLY FANS x 8 FAN TRANSFORMER FB9 TOP VIEW COVER REMOVED FB1 TO FB8 FRONT VIEW DOORS AND COVERS REMOVED IBEZ PCA o E EE EA RAUZPCA OBEZPCA DC CAPACITORS 8899 BEHIND EACH INVERTER E e 415521 INVERTER FUSES BEHIND EPOZ F24 F26 F28 F30 F32 F34 INVERTERS x6 CARD CAGE 1 GTCZ PCA 2 SRIZ PCA 3 CRIZ PCA m 4 CROZ
9. This message indicates that the bypass AC input mains 2 source is out of frequency tolerance The inverter has switched to free running mode Transfer of the load from the inverter output to the bypass AC input source requires an interruption of power to the load This message indicates that the bypass AC input mains 2 source is out of voltage tolerance The inverter has switched to free running mode Transfer of the load from the inverter output to the bypass AC input source requires an interruption of power to the load This message indicates that the inverter has been set to free running mode The inverter is not synchronized to the bypass AC input mains 2 power source Transfer of the load from the inverter output to the bypass AC input source requires an interruption of power to the load This message indicates that the UPS has been set not to transfer from the inverter to the bypass AC input mains 2 source In the event of an inverter shutdown the load will be disconnected This message indicates that the main AC input mains 1 frequency is out of tolerance The rectifier battery charger has shut down and the inverter is operating from its battery source This message indicates that the main AC input mains 1 voltage is out of tolerance The rectifier battery charger has shut down and the inverter is operating from its battery source Operation 2 39 EPS 6000 UPS Shared Systems This message indicates
10. modules are stopped the load will be disconnected for 0 8 seconds then connected to the bypass AC input source IMPORTANT When one UPS module in a shared system is shut down it may cause the remaining modules to enter an overload or current limiting condition if they are unable to fully support the attached load The remaining modules may shut down after a certain time or immediately depending on the load level and the load may be transferred to the bypass AC input source 2 5 LCD Messages This section presents the most common alarm messages that appear on the LCD the alphanumeric section of the hidden panel and explains their meaning This is the normal display message There are no alarms or problems and the load is being supplied by the UPS inverter Operation 2 37 EPS 6000 UPS Shared Systems General alarms This message indicates that a problem requiring action has occurred The load is still supplied by the inverter The problem is listed in the secondary alarm message see below as indicated by the flashing exclamation mark The alarm message may be viewed by pressing the alarm pushbutton This message indicates that the main AC input mains 1 has failed or is outside of tolerance and power to the inverter is being supplied from the UPS battery system The load is still supplied via the inverter This message is automatically displayed every five seconds when the UPS is on
11. F18 F19 INPUT CONNECTIONS 2 16 FAN TRANSFORMER FB9 TOP VIEW COVER REMOVED FRONT VIEW DOORS AND COVERS REMOVED IBEZ PCA Ts Fis riv EHIND EACH INVERTER RAUZPCA OBEZPCA DC CAPACITORS Vna ln al e INVERTER FUSES BEHIND ooo 1 2 3 41 AG F23 TO F34 5 INVERTERS x6 OUTPUT FUSES F7 F8 F9 5 5 120V AC OUTLET FOR MGE USE ONLY KSN ARUZ PCA BEHIND MTG PLATE ACPZ PCA 123156 K3NZ APOZ Si Q5N mu OUTPUT XFMR BEHIND BREAKERS OUTPUT 2198 pose 2 95188 8 CIRCUIT BREAKER A4 B4 C4 NEUTRAL CONNECTION BEHIND OUTPUT OUTPUT GROUND BATTERY CONNECTIONS CONNECTIONS CONNECTIONS Operation Figure EPS 6000 Major Internal Components 2 12 NEUTRAL CONNECTION NEUTRAL CONNECTION GROUND CONNECTION INPUT FUSES F1 F2 F3 FUSES F16 F17 L3 Shared 500 kVA UPS Module I O Cabinet TOP VIEW COVERS REMOVED FRONT VIEW DOORS AND COVERS REMOVED
12. 1 2 14 Operation User s guide Figure EPS 6000 Major Internal Components 225 kVA UPS Module 2 10 Shared 150 AC CAPACITOR ASSEMBLY FANS x 6 FB1 TO FB8 F10 F11 RATED 2A 500VDC F12 F13 EPOZ CHARGER STATIC SW BAIZ amp TREZ BEHIND PLATE ALBZ CARD CAGE 1 GTCZ PCA 2 SRIZ PCA 3 CRIZ PCA 4 CROZ DO6Z PCA 5 AROZ PCA 6 ALEZ PCA INPUT FUSES F1 F2 FUSES F16 F17 F18 F19 INPUT CONNECTIONS FAN TRANSFORMER FB9 TOP VIEW COVER REMOVED FRONT VIEW DOORS AND COVERS REMOVED IBEZ PCA DC CAPACITORS BEHIND EACH INVERTER INVERTER FUSES BEHIND INVERTERS OUTPUT FUSES F7 F8 F9 120V AC OUTLET FOR MGE USE ONLY ARUZ PCA BEHIND MTG PLATE ACPZ PCA OUTPUT XFMR BEHIND BREAKERS OUTPUT 999000 CIRCUIT BREAKER NEUTRAL CONNECTION BEHIND OUTPUT OUTPUT CONNECTIONS CONNECTIONS CONNECTIONS GROUND BATTERY Operation 2 15 EPS 6000 UPS Shared Systems Figure EPS 6000 Major Internal Components 2 11 Shared 300 375 kVA UPS Module AC CAPACITOR ASSEMBLY FANS x 6 FB1 TO FB8 F10 F11 RATED 2A 500VDC F12 F13 EPOZ CHARGER STATIC SW BAIZ amp TREZ BEHIND PLATE ALBZ CARD CAGE 1 GTCZ PCA 2 SRIZ PCA 3 CRIZ PCA 4 CROZ DO6Z PCA 5 AROZ PCA 6 ALEZ PCA INPUT FUSES F1 F2 F3 FUSES F16 F17
13. as described in Section 2 4 1 Test the main operating sequences as applicable to your equipment configuration and installation Replacement Parts There are no user replaceable parts inside the EPS 6000 UPS Three levels of replacement parts are available for the EPS 6000 UPS The three levels are designated A B and C The level that you should keep on hand for your installation will vary depending on the type of maintenance planned on site and the configuration of your UPS system Having the replacement parts on hand will prevent any unacceptable delays due to time involved obtaining spare parts during critical periods such as system start up Any items used during start up will be replaced by MGE at no charge Contact MGE Customer Support Services for specific recommendations A description of each level is provided below Level Description A This level of replacement parts consists of consumable items specifically fuses and air filters It is recommended to have these items on hand during installation of the UPS systems including initial start up This level of replacement parts is recommended when the user can tolerate short dura tion UPS down time to obtain replacement parts in the event of a major UPS failure This level of replacement parts consists of consumable items specifically fuses air filters an inverter leg and the most critical circuit board assemblies This level of replacement parts is recommended when th
14. being drawn by the load The flashing KW indicates that the operator should check the load real power The inverter will keep supplying the load for a certain amount of time depending on the overload level This message indicates that an overload greater than 1 5 times the power rating of the inverter has occurred and that the inverter has shut down This message indicates that an overload below 1 5 times the power rating of the inverter has occurred and that the inverter has shut down The flashing A indicates that the operator should check the load current This message indicates that the load power being drawn is greater than the full load rating The flashing A indicates that the operator should check the load current The UPS module or SSC will keep supplying the load for a certain amount of time depending on the overload level This message indicates that a fault has occurred that affects the transfer of the load between the inverter and the bypass source Service is required This message indicates that there is an out of tolerance condition between the inverter and bypass AC input mains 2 sources Transfer of the load between the inverter and bypass AC input will result in an interruption of load power This message indicates that the upstream circuit breaker Q4S is open Transfer of the load from the inverter to the bypass source is not possible Operation 2 41 EPS 6000 UPS Shared Systems On
15. Installation Manual 86 130034 00 Copyright 1996 MGE UPS Systems All rights reserved Printed in U S A Revision BOO 11 96 Section Introduction Scope General Description Description of UPS Module Major Internal Components Rectifier Battery Charger Inverter Inverter Transformer Battery System Description of SSC Major Internal Components Options Specifications UPS Modules Electrical Mechanical Environmental Specifications Static Switch Cabinet Electrical Mechanical Mechanical Operation Scope System Operation Overview Static Switch Cabinet Operation Normal Operation On Battery Operation Indicators and Controls Front Panel Alphanumeric Display and Controls Hidden Panel Circuit Breakers Contactors and Switches Using the Alphanumeric Display Settings Alarms Measurements Voltage Measurements Current Measurements Power and Frequency Measurements Battery Measurements Contents 1 4 4 4 4 4 k mb mel ek 13 13 13 14 15 pan ae ee Cee 15 15 16 12 cl oc 2 1 2 1 2 1 2 2 2 2 2 3 2 3 2 6 2 9 2 13 2 23 2 24 2 25 2 26 2 26 2 27 2 28 2 29 iii EPS 6000 UPS Shared Systems section sont ead iu 2 4 1 2 4 2 2 4 3 2 4 4 2 4 4 1 2 4 4 2 2 4 5 2 4 5 1 2 4 5 2 2 4 5 2 1 2 4 5 2 2 2 4 6 2 4 6 1 2 4 6 2
16. Optional system maintenance bypass circuit breaker used to supply the attached load via the maintenance bypass source while the SSC is being serviced Q5N Optional system isolation circuit breaker used to isolate the shared system from the Operation 2 13 EPS 6000 UPS Shared Systems attached load Figure Single Line Diagram 2 9 Typical EPS 6000 UPS Shared Installation MAINTENANCE BYPASS of INPUT Pesce eee ee STATIC SWITCH MAINTENANCE BYPASS CABINET OPTIONAL a STATIC SWITCH 4 CUSTOMER SUPPLIED z m Li Q5N BYPASS J ee AC INPUT a 5 LOAD MAINS 2 rit a 1 11 Dene 1111 EPS 6000 UPS MODULE STATIC SWITCH LILI a LIII FROM ADDITIONAL MAIN ai A UPS MODULES AC INPUT 2 4 gt MAINS 1 INPUT OUTPUT FUSES mECTIFIER FUSES al CHARGER humummmumumumuuummuimmmumumusmusmsmsmsmsmsmsmsmsmsm EPS 6000 EPS 6000 UPS MODULE STATIC SWITCH LI INVERTER Qi nd E INPUT A OUTPUT M FUSES RECTIFIER FUSES CHARGER TEELE LEE EPS 6000 BATTERY
17. SSC The SSC maintains synchronization of the UPS modules and monitors their proper performance If all UPS modules have stopped for instance during an overload condition or maintenance the attached load is supplied by the SSC s bypass input source If the SSC is equipped with the maintenance bypass option the load may still be supplied with power while the SSC is serviced via the maintenance bypass AC input source Power Flow Normal Operation Bypass AC input mains 2 1 Rectifier battery 1 ATTACHED charger Inverter 1 1 LOAD 1 Static switch mains 1 cabinet SSC WO rtl ERE UPS module Rectifier battery charger Inverter N Battery mm UPS module Addit gt Addi itional itional modules modules EPS 6000 UPS Shared Systems 2 1 2 Normal Operation During normal operation as shown in Figure 2 1 power flows from the main AC input source mains 1 into the UPS rectifier battery charger sections The rectifier battery chargers convert the AC voltage to DC maintain the charge on the batteries and feed the DC power to the inverters The inverters regenerate AC voltage and supply the SSC s UPS module AC output bus The SSC supplies the attached load 2 1 3 On Battery Operation main AC input source mains 1 fails or goes out of toler
18. battery It alternates with the previous message The message provides an estimate of the available remaining time on battery based on the percentage of full rated load being supplied the type of battery the battery temperature and the battery age This message indicates that the battery has reached the low battery shutdown warning level The user must take steps to prepare the load for shutdown load shedding file saving and computer shutdown etc This message replaces the previous two messages when the battery is nearly depleted When this message appears there are only a few minutes of battery back up time remaining This indicates that the battery disconnect circuit breaker QF1 has been opened or the inverter has stopped and that service is required The problem is listed in the secondary alarm message see below as indicated by the flashing exclamation mark The secondary alarm message may be viewed by pressing the alarm pushbutton 1 Secondary alarms The presence of these alarms is indicated by a flashing exclamation mark on the general alarm message Press the alarm pushbutton to view these messages This message indicates that the UPS has been shut down because a remote emergency power off REPO pushbutton has been pressed 2 38 Operation User s guide This message indicates that the load has been transferred to the bypass AC input mains 2 source The load is no longer protected
19. damages or for any damages except as expressly stated herein Service and Factory Repair Call 1 800 438 7373 Direct questions about the operation repair or servicing of this equipment to MGE UPS Systems Inc Customer Support Services Include the part number assembly number and serial number of the unit in any correspondence Should you require factory service for your equipment contact MGE UPS Systems Inc Customer Support Services and obtain a Return Goods Authorization RGA prior to shipping your unit Never ship equipment to MGE UPS Systems Inc without first obtaining an RGA Proprietary Rights Statement he information in this manual is the property of MGE UPS Systems Inc and represents a proprietary article in which MGE UPS Systems Inc retains any and all patent rights including exclusive rights of use and or manufacture and or sale Possession of this information does not convey any permission to reproduce print or manufacture the article or articles shown herein Such permission may be granted only by specific written authorization signed by an officer of MGE UPS Systems Inc IBM PC AT ES 9000 and AS 400 are trademarks of International Business Machines Corporation MGE and MGE UPS Systems are trademarks of MGE UPS Systems Inc Other trademarks that may be used herein are owned by their respective companies and are referred to in an editorial fashion only Revision History EPS 6000 Uninterruptible Power System
20. each module press the inverter on pushbutton The green load protected LED will flash for about 3 seconds indicating that the inverter is starting 5 As soon as a sufficient number of UPS modules have been started the SSC will automatically transfer the load to the UPS module output On each module the green load protected LED will turn on and remain on On the SSC the green load protected LED will turn on NOTE If the transfer conditions are not satisfied bypass AC input sources is out of tolerance or some other reason a forced transfer is required Refer to Section 2 4 6 Forced Transfers 6 As the remaining UPS modules are turned on per step 4 above their respective green load protected LEDs flash for three seconds then remain on as the modules connect to the load The load is equally shared between modules 2 4 3 Checks After After initial start up of the system normal operation should be tested At the minimum the following tests should be Sta rt up performed as applicable to your installation Emergency power off EPO test from each UPS module and from the SSC Operation 2 31 EPS 6000 UPS Shared Systems e Remote emergency power off REPO test if applicable e Inverter start and stop for each module e Battery transfer test e Maintenance bypass procedure 2 4 4 Shut down This section presents procedures for shutting down the system under normal emergency overload and m
21. free running mode or in current limit or because the UPS has been commanded not to transfer without interruption or because of an internal fault 2 42 Operation User s guide This message indicates that a fan has failed and that service is required Because the fans of the rectifier battery charger and the inverter are redundant the load is still supplied by the inverter This message indicates that the battery may have reached its end of life based on the rated lifetime and the conditions of use This message indicates that the core controller of the selected module UPS module or SSC see Section 2 2 2 is not sending data to the alphanumeric display The status of the module is still correctly indicated by the LEDs of the visible panel see Section 2 2 1 and the hidden panel see Section 2 2 3 This message indicates that the core controller of the selected module UPS module or SSC see Section 2 2 2 is sending invalid data to the alphanumeric display The status of the module is still correctly indicated by the LEDs of the visible panel see Section 2 2 1 and the hidden panel see Section 2 2 3 This message indicates that the alphanumeric display is not operating properly The status of the UPS module or SSC is still correctly indicated by the LEDs of the visible panel see Section 2 2 1 and the hidden panel see Section 2 2 3 Operation 2 43 EPS 6000 UPS Shared Systems this page intentionally
22. in Hertz for the main input mains 1 bypass input mains 2 and inverter output Real power drawn by the load in kilowatts for each phase Percentage of real power drawn by the load relative to the rated output of the UPS module or SSC Apparent power in kVA drawn by the load for each phase Total real power in kW and apparent power in KVA drawn by the load Load power factor real power divided by apparent power Operation User s guide To display battery voltage current ambient temperature and time available or remaining press the battery key on the keyboard as shown in Figure 2 25 Figure Battery Measurements 2 25 2 4 2 4 1 Select battery measurements by pressing the battery pushbutton UBRT Baattery voltage VDC charge or discharge uU to Js current ADC and battery temperature degrees Celsius 71 AVAILABLE If the main input main 1 source is available this EEL Loan indicates the amount of battery time in minutes available in the event of a main input outage If the main input mains 1 source is out of tolerance or is unavailable this indicates the amount of battery time in minutes remaining for on battery operation XEU S LORD REMAINING BAT Normal Operating This section presents normal oper
23. or Leg Load protected Load not protected Low battery shutdown Mains or mains 1 Mains 2 MAX MBC User s guide Indicates that the inverter frequency is stable and independent of the bypass AC input mains 2 frequency Frequency Capable of being melted with heat Ground Hertz a measure of frequency one cycle per second equals one Hertz Current The input circuit from the building power panel to the equipment An electrical circuit that generates an AC sinewave output from a DC input Kilovolt Ampere a measure of apparent power Kilowatt a measure of real power Liquid crystal display Light emitting diode Inverter leg The attached load is being supplied by the UPS module inverter output and the battery is available in the event that incoming utility power is lost The attached load is being supplied but the battery system is unavailable The battery has reached the lowest permitted operating voltage and the inverter has shut down disconnecting the load to protect the battery from damage due to further discharge Main AC input source Bypass AC input source Maximum Optional maintenance bypass cabinet that attaches to the SSC in shared systems Glossary MG MGE module MOV NEC NFPA NO or No OSHA OF On battery operation Packing list P F Q1 Q3BP Q4S Q5N QF1 EPS 6000 UPS Shared Systems Thousand circular mil standard wire sizes fo
24. the security key while pressing this pushbutton stops the inverter and disconnects the module from the load even if the bypass is out of tolerance if all UPS modules are stopped the load will be transferred to bypass with a 0 8 second interruption Refer to Section 2 4 6 Forced Transfers CAUTION Using the forced transfer functions will cause the load to experience an interruption for a minimum of 0 8 seconds Be certain the the load can tolerate this interruption see Section 2 4 6 Forced Transfers 2 2 4 Circuit Breakers EPS 6000 circuit breakers and switches except the battery disconnect circuit breaker QF1 are located behind Contactors and the doors of the UPS cabinet or through the door in the optional MBC Following is a brief description of the Switches available circuit 5 contactors and switches and their function The single line diagram in Figure 2 9 shows the location of each circuit breaker contactor and switch within the electrical path and Figure 2 10 thorugh Figure 2 17 show the location of each switch contactor and circuit breaker within the enclosures Upstream of the SSC Q4S Customer supplied upstream circuit breaker used to isolate the SSC from the bypass AC input mains 2 source and provide backfeed protection In the SSC and optional MBC Q2S Wrap around circuit breaker automatic used to supply the attached load via the bypass AC input mains 2 source
25. voltage rating in Maximum battery current at cut off voltage ADC 1 5 2 Mechanical Height Depth Width Weight Finish 1 14 480 0 5 steady state conditions 480 5 transient conditions from 0 to 100 or 100 to 0 60 Hz x 0 1 free running 3 phase sequence must be A B C 4 wires plus ground 150 225 300 375 500 750 180 271 361 451 601 902 0 8 lagging 2 linear load 4 for 100 non linear load with a crest factor of up to 3 5 0 5 for balanced load 2 5 for 100 unbalanced load 5 for 100 step load change 125 of rated load for 10 minutes 150 of rated load for 1 minute 545 Vdc float 480 Vdc nominal 390 minimum 150 225 300 375 500 750 323 485 647 809 1 074 1 620 1 905 mm 75 815 mm 32 See Table 1 1 See Table 1 1 MGE light gray Introduction 1 5 3 Environmental 1 6 1 6 1 Recommended environment Operating temperature Storage Humidity Altitude Acoustic noise rating in Accoustic noise at rated load in dBA at 5 feet from the front of the UPS module Specifications Static Switch Cabinet Electrical AC input ratings Voltage Frequency Phases Wires Current AC output ratings Voltage Frequency Phases Wires Current Power factor User s guide 20 to 25 C 68 to 77 50 relative humidity computer room or other temperature and humidity controlled en
26. 0062 PCA 5 AROZ PCA 10 11 6 ALEZ PCA ACOZ POWER INTERCONNECT AC OUTPUT CAPACITOR ASSY OUTPUT FUSES Operation 2 21 EPS 6000 UPS Shared Systems Figure EPS 6000 Major Internal Components 2 17 Static Switch Cabinet SSC STATIC SWITCH CABINET MAINTENANCE BYPASS CABINET WITH FRONT DOORS REMOVED WITH FRONT DOOR REMOVED TRANSFORMER 712 2 CIRCUIT BREAKER 25 1 1 ju FUSES 1 1 1 1 F1 F2 amp F4 1 9 8 1 1 I 1 7 l wur 73 TRANSFORMER T13 1 l FAR SIDE OF PANEL p I Qe 2 t gt Lp 1 1 1 lt T CIRCUIT BREAKER 2 3 1 oo L 1 1 PCA ACPZ 7 gt 5 OBEZ E i 1 1 CAPACITORS gt C11 C12 amp 1 1 1 1 FAR SIDE OF PANEL
27. 2 4 6 3 Section 0 oa uidere ci u Le 4 s eh Glossary iv Contents description page number Normal Operating Procedures 2 29 Checks Before Start up 2 29 Start up 2 30 Checks After Start up 2 31 Shut down 2 32 Emergency Shutdown Using EPO 2 32 Normal Shutdown 2 33 Isolation for Maintenance 2 33 Isolation of an Individual UPS Module 2 33 Isolation of Static Switch Cabinet SSC 2 35 Without Maintenance Bypass 2 35 With Maintenance Bypass 2 35 Forced Transfers 2 36 Uninterrupted Transfer Conditions 2 36 Forced Transfer From Bypass AC Input Source to Inverter 2 37 Forced UPS Module Shut Down 2 37 LCD Messages 2 37 Maintenance and Service Scope 3 1 Safety Instructions 3 1 Preventive Maintenance 3 1 Replacement Parts 3 2 Troubleshooting and MGE Servicing 3 3 Pew ONUS E S g 1 User s guide figure description page number dedi hs ba he Pictorial Typical EPS 6000 UPS Shared Installation Shown With Two 375 kVA UPS Modules 1 3 142 sue Single Line Diagram Typical EPS 6000 UPS Shared Installation 1 3 158 5 6000 Major Internal Components Shared 150 225 kVA UPS Modules 1 5 1 4 exco 5 6000 Major Internal Components Shared 375 kVA UPS Modules 1 6 1 5 o xh ee Re EPS 6000 Major Interna
28. DC CAPACITERS BEHIND EACH INVERTER INVERTERS x6 APOZ ALBZ F10 F11 F18 F19 F12 F13 DELAY BATTERY CONNECTION OPTIONAL AC CAP ASSY K1 Figure EPS 6000 Major Internal Components 2 14 Neutral Ground Connection Choke Connection Resistors Capacitors H ISTH N 000 T Bonding Top view Jumper Ground Connection Input Output Connections Connections Connections Ni A3 C3 A4 f 01 Relay Fuses vmm eee Q5N EET Q1 optional Input fuses JN F1 F2 F3 foo I Li ARUZ N Interconnect CT 6ea Input Filter H Capacitors Static Switch Front view doors cover and some components removed for clarity Operation Shared 750 kVA UPS Module UPS Cabinet 1 BAIZ User s guide Shunt 4ea Induction Filter 2 ea one on other side AC capacitors 2ea one on other side Induction filter
29. FRONT VIEW DOORS AND COVERS REMOVED BATTERY INPUT OUTPUT CONNECTIONS CONNECTIONS CONNECTIONS B3 C3 4 B4 C4 por m Q5N o o 0 0 0 lo Lof Teol 02 Ny 12 12 C12 1 N12 0 20450244506 o 2 e e c2 B2 AC CAPACITORS Introduction User s guide GROUND CONNECTION BONDING JUMPER SHUNT L2 CURRENT XFMRS ACPZ ARUZ L4 EPS 6000 UPS Shared Systems Figure EPS 6000 Major Internal Components 1 6 AC CAPACITOR ASSEMBLY FANS x 8 FB1 TO FB8 EPOZ CHARGER amp TREZ BEHIND PLATE AC OUTPUT CAPACITORS CARD CAGE 1 GTCZ PCA SRIZ PCA CRIZ PCA CROZ DO6Z PCA AROZ PCA ALEZ PCA oak UG vog K3NZ K3N STATIC SWITCH OUTPUT FUSES F7 F8 9 Shared 500 kVA UPS Cabinet TOP VIEW COVER REMOVED FRONT VIEW DOORS AND COVERS REMOVED BE ooo E P FAN TRANSFORMER IBEZ OBEZ N o
30. L HEAT 1 2 VOLTAGE VOLTAGE RATING WIDTH WEIGHT LOSS VAC VAC kVA kW Btu hr SSC1500 480 480 1500 1200 2000 1829 72 1317 2900 Negligible 1 2 Introduction User s guide Figure Pictorial Typical EPS 6000 UPS Shared Installation Shown With Two 375 kVA UPS Modules 1 1 STATIC SWITCH CABINET SSC MAINTENANCE BYPASS CABINET OPTIONAL BATTERY N CABINET EPS 6000 AUXILIARY UPS MODULE CABINET Figure Single Line Diagram Typical EPS 6000 UPS Shared Installation 1 2 MAINTENANCE BYPASS AC INPUT mREREHEHHENENEENENRRQERRRRRRRRRRRRRA STATIC SWITCH m MAINTENANCE CABINET m BYPASS CABINET um OPTIONAL a STATIC SWITCH LI iN 1 CUSTOMER TX SUPPLIED 25 Q5N BYPASS gt gt AC INPUT E TTTT boda 292 1111 EPS 6000 UPS MODULE STATIC SWITCH E 1 at INVERTER FROM ADDITIONAL MAIN A UPS MODULES AC INPUT o a MAINS 1 z INPUT a FUSES RECTIFIER uauuhuam EPS 6000
31. MS 6 8 733 24 13 n ae i 1 1 1 1 1 1 0 1 1 1 1 1 gt l 520 x 2099 vod m Z 211 H3INHOJSNVHL LNOYS SSVdA8 1NOH3 HOLIMS OILV IS 59515 Introduction 1 12 1 4 1 5 1 5 1 User s guide Options This section describes options available for the EPS 6000 UPS Some configurations do not support some options Most options must be specified at the time of equipment order some options can be installed in the field Contact your MGE dealer for complete information Additional battery cabinets Up to a maximum of four battery cabinets can be supplied for a single EPS 6000 UPS module making additional back up time available during power outages Input filter An input harmonic current filter is available for the EPS 6000 UPS For some power levels the input filter is installed within the UPS enclosure For others the input filter is installed in an auxiliary cabinet High interrupting capacity circuit breakers The EPS 6000 UPS module is normally equipped with circuit breakers rated at 30 kAIC As an option t
32. NING CAUTION A WARNING notebox A CAUTION indicates information indicates information provided to protect the provided to protect the user and service user and service personnel against safety hazards and or possible equipment damage personnel against possible equipment damage IMPORTANT An IMPORTANT notebox indicates information provided as an operating instruction or as an operating tip NOTE A NOTE notebox indicates information provided as an operating tip or an equipment feature viii 1 0 1 1 Introduction Scope This manual provides technical information required for operation and maintenance of the shared EPS 6000 uninterruptible power system UPS Please read this manual before operating the EPS 6000 equipment Please retain this manual for future reference The manual is divided into three sections Section General Description This section introduces the EPS 6000 family of uninterruptible power systems including a general description of the system and its internal components a description of available options and system specifications Section Operation This section describes operating information for EPS 6000 UPS shared systems including an overview of the system its components and their function a description of the indicators and controls and their function and operational sequences to be followed for all conditions of normal em
33. a UPS module this message indicates that the UPS module isolation circuit breaker Q5N is open making it impossible for that module to supply the load On the SSC this message signals that the system isolation circuit breaker Q5N in the MBC is open and the load is not supplied unless the maintenance bypass circuit breaker is closed This message indicates that the optional maintenance bypass circuit breaker Q3BP in the MBC is closed The system is set to maintenance bypass and the load is supplied by the maintenance bypass AC input source This message indicates that the SSC s static switch and wrap around circuit breaker Q2S have opened following an overload condition disconnecting the load This message indicates that the inverter is operating in free running mode and is no longer synchronous with the bypass AC input source mains 2 Inverter frequency is stable within 0 1 Hz but transfer of the load to the bypass AC input source is not possible without an inter ruption of power to the load This message indicates that the load cannot be transferred from the bypass input source to the UPS modules because not enough UPS modules have been started up This message indicates that the load cannot be transferred from the inverter to the bypass AC input mains 2 source without interruption because the conditions for transfer without interrup tion are not met see Section 2 4 6 1 or because the inverter is operating in
34. a general alarm message and the user can use the alarm pushbutton to determine the exact cause of the alarm condition see Section 2 3 2 Alarms The following sections present detailed operating instructions for the alphanumeric display Figure Alphanumeric Display 2 18 LCD Settings display pushbutton pushbutton ION O HOw HOBO W Hz 2 23 EPS 6000 UPS Shared Systems Figure General Display Configuration 2 19 General status screen This is the default display It automatically reappears if the control panel has not been used for ten minutes Alarm display Voltage measurements A Current measurements W Hz Frequency and power measurements J measurements D Reserved for future use controls A to confirm Language and zc contrast settings to set confirm 2 3 1 Settings The settings selection screens allow the user to configure the display language and set the contrast of the LCD display To access the settings selection screen press the settings pushbutton and follow the steps as indicated in Figure 2 20 Figure Display Settings Display Press the settings pushbutton to access the 2 20 language selection menu Select the display language Fr
35. abinets is described below Figure 1 1 shows a typical shared UPS installation consisting of one static switch cabinet SSC two UPS modules and two adjacent battery cabinets Figure 1 2 shows a single line diagram of the same shared UPS installation Table 1 1 identifies EPS 6000 UPS model numbers for modules used in shared systems and Table 1 2 identifies EPS 6000 SSC model numbers Table EPS 6000 Model Numbers Shared System UPS Modules 1 1 MODEL VOLTAGE VOLTAGE INPUTCB TOTALWIDTH TOTAL pd NUMBER VAC VAC Amps mm in WEIGHT Blur EPS 6150 44 66P 480 480 150 120 400 2 010 81 5 2 044 4 508 30 818 5 6225 44 66 480 480 225 180 400 2 010 81 5 2 044 4 508 39 202 5 6300 44 66 480 480 300 240 600 2 010 81 5 2 514 5 543 52 269 5 6375 44 66 480 480 375 300 1700 2 010 81 5 2 545 5 612 65 336 5 6500 44 66 480 480 500 400 1000 2 865 113 4 244 7 241 179 453 5 6750 44 66 480 480 750 600 1600 4 900 195 6 000 13 200 131 000 NOTES 1 Total width weight and heat loss are for system line up including auxiliary cabinets but excluding pallets 2 Data does not include battery data refer to the installation drawings supplied with your equipment 3 Information provided is for standard configurations data may change with optional equipment Consult the installation drawings provided with your equipment Table EPS 6000 Model Numbers Static Switch Cabinets SSC INPUT OUTPUT OUTPUT TOTAL TOTA
36. aintenance conditions 2 4 4 1 Emergency Shutdown Using EPO CAUTION Pressing the EPO disconnects the attached load The emergency power off EPO is to be used during emergency situations only where a hazard to personnel or equipment exists such as during a fire DO NOT USE THE EPO TO TURN THE UPS ON OR OFF follow the procedures listed in this section for turning the inverter on and off During an emergency situation such as a fire in the computer or electrical room the UPS and all downstream devices can be instantly shut down by pressing the emergency power off EPO pushbutton on the front panel of the SSC or by pressing the remote emergency power off REPO optional pushbutton located within the room The EPO or REPO pushbuttons should not be used for normal shutdown of the equipment when activated ground paths may be broken depending on installation and sensitive loads attached to the UPS may lose safety ground connection Each UPS module has an EPO feature that can be activated to shut down that module only see Section 2 2 1 2 32 Operation User s guide To shut down an individual UPS module press the inverter off pushbutton on the module front panel for 3 seconds To restart press the inverter on pushbutton Note that the transfer will occur only if the inverter is synchronized to the bypass otherwise a forced transfer is needed see Section 2 4 6 IMPORTANT When one UPS modu
37. ajor Internal Components Shared 500 kVA UPS Module UPS Cabinet 2 18 2 4 eh Os EPS 6000 Major Internal Components Shared 750 kVA UPS Module UPS Cabinet 1 2 19 2 15 5 6000 Major Internal Components Shared 750 kVA UPS Module UPS Cabinet 2 2 20 2 16 EPS 6000 Major Internal Components Shared 750 kVA UPS Module UPS Cabinet 3 2 21 2T oster deus het a EPS 6000 Major Internal Components Static Switch Cabinet SSC 2 22 2 18 s e Alphanumeric Display 2 23 2 19 General Display Configuration 2 24 2 20 ce ae Display Settings Display 2 24 2 21 wwe ope tes Displaying Alarm Messages 2 25 2 22 AR Voltage Measurements 2 26 2 23 dea Current Measurements 2 27 2 24 Power and Frequency Measurements 2 28 2 259 go x go Battery Measurements 2 29 Contents description EPS 6000 Model Numbers page number Shared System UPS Modules 1 2 EPS 6000 Model Numbers Static Switch Cabinets SSC 1 2 Contents User s guide vii EPS 6000 UPS Shared Systems How to use this manual This manual is designed for ease of use and easy location of information To quickly find the meaning of terms used within the text look in the Glossary This manual uses Noteboxes to convey important information Noteboxes come in four varieties WAR
38. ance the chargers stop Power flows from the batteries to the UPS inverters which in turn supply the attached load as shown in Figure 2 2 When the main AC input source mains 1 returns the chargers restart automatically and the UPS system resumes its normal operation as shown in Figure 2 1 If the batteries become depleted before the main AC input source mains 1 returns the inverters stop and the attached load is transferred to the bypass AC input source mains 2 if it is available as shown in Figure 2 3 Figure Power Flow On Battery Operation 2 2 Bypass AC input mains 2 TO 1 1 Rectifier battery ATTACHED 1 charger Inverter 1 LOAD LI Main AC input aum Static switch mains 1 1 1 cabinet SSC o UE E i 1 i Battery UPS module aaa lal eal alia alae Rectifier battery 1 charger Inverter 1 CN CX i 1 1 Battery 1 mm UPS module Additional e Additional modules M e modules 2 2 Operation User s guide Figure Power Flow Bypass Operation 2 3 1 1 CN i i Bypass AC input Dr mains 2 Static switch TO 1 Rectifier battery Inverter CN Static swit
39. ating procedures for the EPS 6000 UPS Procedures It is best to contact MGE Customer Support Services for start up and maintenance of the EPS 6000 UPS Do not allow unqualified personnel to operate the EPS 6000 Checks Before Before starting the EPS 6000 UPS make certain that these conditions exist as applicable to your installation Start up All power and control wires have been properly connected and securely tightened e upstream and downstream protective devices not tripped and have been sized properly for the UPS and load requirements voltage at each main AC input circuit breaker Q1 and at the bypass input circuit breaker Q4S is the same as indicated on the UPS nameplate located inside the right door of the EPS 6000 UPS module e The air filters located inside each EPS 6000 UPS module front door are properly installed and free of dust dirt and debris Make certain that no objects block the air intake at the front bottom of the enclosures and that the air exhaust at the top rear of the enclosures is free of obstructions Operation 2 29 EPS 6000 UPS Shared Systems 2 4 2 a b 2 30 In the individual UPS modules Input isolation circuit breaker Q1 is in the OFF open position Battery disconnect circuit breaker QF1 is in the OFF open position Output isolation circuit breaker Q5N is in the OFF open position In the SSC System maintenance bypass circuit breaker
40. awings or other written descriptions provided that such part or parts are returned by the Ultimate Purchaser within ninety 90 days after such defect is discovered The Seller shall have the sole right to determine if the parts are to be repaired at the job site or whether they are to be returned to the factory for repair or replacement All items returned to Seller for repair or replacement must be sent freight prepaid to its factory Purchaser must obtain Seller s Return Goods Authorization prior to returning items The above conditions must be met if warranty is to be valid Seller will not be liable for any damage done by unauthorized repair work unauthorized replacement parts from any misapplication of the item or for damage due to accident abuse or Act of God In no event shall the Seller be liable for loss damage or expense directly or indirectly arising from the use of the units or from any other cause except as expressly stated in this warranty Seller makes no warranties express or implied including any warranty as to merchantability or fitness for a particular purpose or use Seller is not liable for and Purchaser waives any right of action it has or may have against Seller for any consequential or special damages arising out of any breach of warranty and for any damages Purchaser may claim for damage to any property or injury or death to any person arising out of its purchase of the use operation or maintenance of the product Seller wi
41. bout ten 10 seconds the wrap around circuit breaker Q2S will automatically close 3 Close the optional system isolation circuit breaker Q5N if present in the maintenance bypass cabinet 4 Open the optional system maintenance bypass circuit breaker Q3BP if present The SSC is now on line and the load is supplied via the bypass source Note that if your SSC configuration does not include the maintenance bypass option start up requires only closing Q4S to supply the bypass source to the SSC All other functions are fully automatic Operation User s guide d Start the UPS modules 1 For each module close the input isolation circuit breaker Q1 Verify that the following conditions exist red load not protected LED is on e The rectifier battery charger automatically starts If either condition is not present there is a fault Open Q1 and contact MGE Customer Support Services 2 For each module close the UPS isolation circuit breaker Q5N The fans in the UPS module will start 3 For each module close the battery disconnect circuit breaker QF1 The batteries are now connected to the rectifier battery charger and have begun charging IMPORTANT Because it is standard for the UPS module to be programmed for automatic restart the inverter will automatically start after the battery disconnect circuit breaker QF1 has been closed 4 the modules are not programmed for automatic restart for
42. bypass AC input source 2 Open the UPS isolation circuit breaker Q5N 3 Open the battery disconnect circuit breaker s QF1 4 Open the input isolation circuit breaker Q1 The UPS module is now isolated for maintenance For complete protection the upstream circuit breaker supplying the UPS module should be opened locked and tagged while the UPS is being serviced To restart the UPS module after maintenance 1 Close the input isolation circuit breaker Q1 Close the isolation circuit breaker Q5N The UPS module fans will start Wait for the green LED B on the hidden panel to turn on indicating that the rectifier battery charger has started then close the battery disconnect circuit breaker QF1 If there is more than one battery cabinet in your configuration close all the battery disconnect circuit breakers IMPORTANT Because it is standard for the UPS module to be programmed for automatic restart the inverter will automatically start after the battery disconnect circuit breaker QF1 has been closed 4 the module is not programmed for automatic restart start the inverter by pressing the inverter on pushbutton on the UPS front panel In a few moments the inverter will start and the UPS module will resume normal operation If the transfer conditions are not satisfied bypass out of tolerance or other reason a forced transfer will be required Refer to Section 2 4 2 Start up and Section 2 4 6 Forced Transfer
43. ch mains 1 1 1 cabinet SSC 1 1 1 UPS module 1 CMM MDC EM MID Rectifier battery 1 1 1 1 1 1 Battery 1 ES UPS module Additional Additional modules modules 2 2 Indicators and Indicators and controls are located in three places on the UPS module on the front panel behind a drop down cover Controls just below the front panel and inside the enclosure doors as shown in Figure 2 4 In battery cabinets and auxiliary cabinets the controls are located behind the cabinet doors 2 2 1 Front Panel The front panel shown in Figure 2 5 includes the emergency power off EPO pushbutton the audible alarm four LEDs that serve as system status indicators three on the SSC and the inverter on and inverter off pushbuttons on UPS modules only Operation 2 3 EPS 6000 UPS Shared Systems Figure EPS 6000 Controls and Indicators 2 4 Front Circuit breakers panel and switches Alphanumeric e displa Isp ay door Hidden panel Cover Figure EPS 6000 Front Panel 2 5 AA O 00000 d d Note The SSC does not include inverter on or inverter off pushbuttons 6 and 7 or the battery operation LED 4 2 4 User s guide Emergency power off EPO CAUTION Pressing the EPO disconnects the attached load The emergenc
44. conds indicating that the start command has been received When the transfer conditions are satisfied see Section 2 4 2 Start up and Section 2 4 6 Forced Transfers the load is transferred to the inverter output Inverter off 7 UPS modules only This gray pushbutton is used to stop the inverter When it is pressed for 3 seconds the inverter stops and the UPS module is shut down if all UPS modules are stopped the load is transferred to the bypass AC input mains 2 power source If the uninterrupted transfer conditions are not met this pushbutton has no effect and the inverter can be stopped only from the hidden panel see Section 2 4 6 Forced Transfers See Section 2 4 2 for details of the shutdown sequence Alphanumeric The alphanumeric display is located on the hidden panel directly below the front panel behind the hinged cover as Display and shown in Figure 2 4 For complete instructions refer to Section 2 3 Using the Alphanumeric Display A brief Controls description of the display and controls follows Two line alphanumeric display Figure 2 6 This 40 character two line LCD displays general status of the UPS continuously and displays measurements of UPS operating parameters as selected with the control pushbuttons Operation User s guide Pushbuttons Following are brief descriptions of the function of the alphanumeric display pushbuttons Figure Alphanumeric Display and Controls 2 6 LCD Se
45. ction BAIZ User s guide Shunt CT 4ea Induction Filter 2 ea one on other side AC capacitors 2ea one on eo X other side filter 2ea one on other side 2ea Side View Cooling fans EPS 6000 UPS Shared Systems Figure EPS 6000 Major Internal Components 1 8 Shared 750 kVA UPS Cabinet 2 AC CAPACITOR ASSEMBLY FANS x 8 FB1 TO FB8 K3N K3NZ STATIC SWITCH OUTPUT FUSES 1 10 3 3 S br g Ej 5 d 5 a E 8 3 4 5 0 VIEW COVER REMOVED FRONT VIEW DOORS AND COVERS REMOVED o o a o o E oo oo NEUTRAL Introduction FAN TRANSFORMER FB9 DC CAPACITORS BEHIND EACH INVERTER INVERTER FUSES BEHIND F24 F26 F28 F30 F32 F34 INVERTERS x6 ALBZ F10 F11 AC OUTPUT CAPACITORS Figure EPS 6000 Major Internal Components 1 9 Shared 750 kVA UPS Cabinet 3 AC CAPACITOR ASSEMBLY FANS x 8 FB1 TO FB8 EPOZ CARD CAGE 1 GTCZ PCA 2 SRIZ PCA 3 CRIZ PCA 4 CROZ 0062 PCA 5 AROZ 6 ALEZ POWER INTERCONNECT OUTPUT FUSES ESR SES RAUZ PCA d did 3 4 5 OJ O LI TOP VIEW COVER REMOVED FRONT VIEW DOORS AND COVERS REMOVED
46. e Battery voltage e Battery current Battery ambient temperature e Battery time available Battery time remaining AN Alarms pushbutton This pushbutton is used to display current alarms or to display stored alarms If the alarm key is pressed repeatedly the display will scroll through the stored alarm record returning to the latest after the oldest is shown If a blinking character appears in the display the user may press the Alarm pushbutton again to scroll through additional useful information D pushbutton This pushbutton is reserved for future use Pushbutton Depending on the displayed message this pushbutton may serve to indicate confir mation positive response and other functions Operation User s guide Numbered lights The green light indicates the UPS module or SSC with which the display is currently communicating A red light indicates that the corresponding UPS module or SSC has an anomaly or is not communicating with the display Light 1 refers to the SSC the UPS modules are numbered sequentially starting at 2 2 2 3 Hidden Panel The hidden panel is located directly below the front panel behind the hinged cover as shown in Figure 2 4 The hidden panel includes the following controls and indicators as shown in Figure 2 7 Figure Hidden Panel 2 7 Alphabetical lights Fourteen alphabetically labeled LEDs provide detailed information on UPS status as follows A Emer
47. e user can tolerate only a mini mum of down time in the event of a major UPS failure This level of replacement parts consists of consumable items specifically fuses air filters an inverter leg and a com plete set of circuit board assemblies Maintenance and Service 3 4 User s guide Troubleshooting Should you encounter a problem in the operation of a UPS module and need MGE UPS Systems Inc to and MGE Servicing service your product please take into account the following recommendations To the extent that you feel comfortable with the unit leave it in its current state make a record of the display lights and alarm messages and call either your local MGE Field Engineer or MGE s Customer Support Services at 1 800 438 7373 for assistance Leaving the unit in its current state will enable MGE s field engineers to troubleshoot your product and bring it back on line more easily If you are not comfortable with the current status of the unit you may want to take the following actions listed by order of increasing impact on ease of troubleshooting 1 If the audible alarm is active reset it by pressing the audible alarm reset button the second button from the left on the lower hidden panel as shown in Figure 2 8 Stop the inverter see Section 2 4 4 2 for normal shutdown and Section 2 4 6 3 for forced shut down Open the isolation circuit breaker Q5N Open the battery circuit breaker s QF1 Reset the alarms by pre
48. ed if such grounds are removed during installation and maintenance Preventive The following preventive maintenance routines should be considered the minimum requirements your installation and Maintenance site may require additional preventive maintenance to assure optimal performance from your installed EPS 6000 UPS and associated equipment These routines should be performed twice a year more often if required We strongly recommend contracting MGE Customer Support Services for preventive and remedial maintenance The technician or electrician performing preventive maintenance on the UPS must be familiar with the indicators controls and operation of the UPS as described in this manual EPS 6000 UPS Shared Systems 3 3 Isolate and de energize all EPS 6000 UPS equipment for all maintenance operations Ensure that all equipment is clean and free of loose dust dirt and debris The exterior of all enclosures may be cleaned with a mild solution of soap and water lightly applied with a lint free cloth Inspect the air intake and exhaust plates and clean as required Verify that air flows freely through the equipment Clean the air intake and exhaust plates and the enclosure interior with a vacuum cleaner The EPS 6000 UPS module is equipped with air filters that should be changed at regular intervals Inspect the filters regularly to determine how long the filters will last in your installation Initiate the start up procedure
49. ench English U K Spanish Dutch Italian Swedish Portugese or English U S LAHGURGE ENGLISH U S R SELECT Press the pushbutton to confirm the language selection and access the contrast selection menu Set the display contrast by pressing the pushbutton until the desired contrast is reached Press the pushbutton to confirm the contrast selection and return to the general status screen general status screen 2 24 Operation 2 3 2 Figure 2 21 User s guide IMPORTANT Select ENGLISH U S as the display language to match the displays as presented in this manual Alarms In the event of an alarm condition the general status screen shows an alarm message To determine the specific condition causing the alarm press the alarm key on the front panel as shown in Figure 2 21 If there is a flashing exclamation mark in the displayed message there is additional information to be viewed Follow the steps as indicated in Figure 2 21 Most alarm messages are self explanatory see Section 2 5 for a listing of the most common alarm messages The most serious alarms are stored in the fault log and may be viewed by following the steps shown in Figure 2 21 To reset the alarms press the clear fault log pushbutton see Section 2 2 3 Displaying Alarm Messages ALARM This message on the general status screen indicates an ala
50. ergency and maintenance operation Section Maintenance and Service This section describes maintenance of the EPS 6000 UPS including safety instructions preventive maintenance information about replacement parts and customer service A Glossary in the rear of this manual provides definitions of terms used within the text separate manual EPS 6000 UPS Installation Manual MGE part number 86 130035 00 provides detailed installation instructions General Description EPS 6000 is a family of compact high efficiency uninter ruptible power systems available in power ratings up to 1 500 kVA EPS 6000 UPS are optimized for compatibility with non linear computer type loads Computer aided UPS diagnostics and modular construction assures that any required service on the UPS can be identified and completed rapidly Remote system monitoring remote annunciation of UPS performance signals and telecommunication capabilities allow total control of the UPS by the user The EPS 6000 UPS SSO battery and all auxiliary equipment is listed for safety by Underwriter s Laboratories Inc UL under UL Standard 1778 and under Canadian Standards Association CSA standard C22 107 Major components of the EPS 6000 UPS family include EPS 6000 UPS module e EPS 6000 SSC static switch cabinet e EPS 6000 SSC maintenance bypass cabinet e EPS 6000 auxiliary cabinet EPS 6000 UPS Shared Systems e EPS 6000 battery cabinet Each of these c
51. esa 92626 Use this form to order additional copies of this document or to report any errors ommissions or other problems you have experienced NAME COMPANY STREET ADDRESS CITY STATE ZIP would like to order quantity 50 00 each additional copies of the EPS 6000 UPS User s Guide Shared Systems 86 130034 00 would like to report the following problems with this document UPS SYSTEMS Nothing will stop you now 1660 Scenic Avenue Costa Mesa California 92626 714 557 1636 www mgeups com
52. gency shutdown This red LED indicates that the emergency power off EPO or remote emergency power off REPO has been activated see Section 2 4 4 1 Emergency power off Operation 2 9 EPS 6000 UPS Shared Systems B Rectifier charger on This green LED indicates that the rectifier battery charger is on C Rectifier charger fault This red LED indicates an alarm condition within the rectifier battery charger it indicates the presence of one of the following fault conditions e Input circuit breaker Q1 open Input power protection fuse blown e HRectifier battery charger over temperature e Battery charge overcurrent Battery overvoltage e HRectifier battery charger control board fault e Power supply board fault D Main AC input mains 1 outside tolerance This orange LED indicates that the main AC input mains 1 source is outside tolerance voltage and or frequency too high or too low E Reserved for future use F Battery temperature outside tolerance This orange LED indicates that the ambient temperature of the battery is too high or too low G Battery charging This orange LED indicates that the battery is being recharged This LED functions only when the connected battery is of the vented lead acid type sealed lead acid batteries will not activate this signal H Inverter fault This red LED indicates an alarm condition in the inverter which may be one or more of the following conditions e In
53. hases must be in sync Bypass AC input voltage must be within 1096 of nominal e Bypass AC input frequency must be within a certain programmable tolerance of nominal Provided that both the UPS module output and bypass AC input sources meet these conditions uninterrupted transfers can take place If these conditions are not met transfers cannot take place without interruption A forced transfer is required Forced transfers require a power interruption to the load of 0 8 seconds Before issuing a forced transfer command be certain that the attached load can tolerate the brief outage The following paragraphs describe the forced transfer procedures 2 36 Operation User s guide 2 4 6 2 Forced Transfer This procedure assumes that the load is being supplied by the bypass AC input mains 2 source via the SSC From Bypass Start the UPS modules refer to Section 2 4 2 steps d1 to d4 AC Input Source On the SSC hidden panel press the security key Figure 2 8 key pushbutton and hold it while pressing the forced to Inverter bypass to inverter key pushbutton 44 If enough modules are on the load will be disconnected for 0 8 seconds then connected to the UPS modules 2 4 6 3 Forced UPS Module On the UPS hidden panel press the security key Figure 2 8 key pushbutton and hold it while pressing the forced Shut Down inverter to bypass key pushbutton 5 This stops the inverter and disconnects the UPS module When all
54. hese breakers can be provided with a rating of 65 kAIC Maintenance bypass For the UPS modules maintenance bypass is provided by the SSC allowing any or all attached UPS modules to be taken off line while the SSC supports the attached load from its bypass source As an option the SSC can be equipped with its own maintenance bypass allowing the SSC as well as any all attached UPS modules to be serviced while the load is supported by the maintenance bypass AC input source Active RS 232 RS 485 A communications port is available that allows the UPS module or the SSC to be monitored from a remote terminal or computer For detailed information on the communi cation features contact your MGE dealer Specifications Specifications provided refer to an EPS 6000 UPS module and any required auxiliary cabinets UPS Modules Electrical AC input ratings Voltage 208 or 480 VAC 10 15 Frequency 60 Hz 10 Phases 3 phase sequence must be A B C Wires 3 or 4 wires plus ground Current rating in 150 225 300 375 500 750 Amperes 480 200 300 400 490 702 980 Power factor Up to 0 9 lagging 0 95 with optional input harmonic filter Introduction 1 13 EPS 6000 UPS Shared Systems AC output ratings Voltage Frequency Phases Wires Current rating in Amperes 480 VAC Power factor Total harmonic distortion THD Dynamic regulation Dynamic response Overload DC ratings Battery
55. ilence the alarm Should a higher level alarm condition occur after the reset has been activated the audible alarm will sound the new alarm condition A Load not protected LED 2 This red LED turns on when any of these conditions occur load is no longer protected following an inverter shutdown or the opening of the isolation circuit breaker Q5N battery circuit breaker QF1 is open making battery power unavailable Operation 2 5 EPS 6000 UPS Shared Systems 2 2 2 Na Operating problem LED 3 This orange LED turns on when an operating problem exists such as fan failure static switch power supply fault battery temperature fault overload fault or bypass AC input mains 2 out of tolerance The UPS continues to protect the attached load Battery operation LED 4 UPS modules only This orange LED turns on to indicate that the attached load is being partially or completely supplied by the battery When the main AC input mains 1 fails or is outside tolerance stored battery energy is supplied to the inverter which in turn supplies the load Load protected LED 5 This green LED indicates that the attached load is supplied by the inverter and protected by the battery During normal operation this LED is the only one that is on Inverter on 6 UPS modules only This green pushbutton is used to start the inverter When it is pushed the green load protected LED flashes for three se
56. ker Q3BP 3 Open the system isolation circuit breaker Q5N The SSC is now isolated from the load which is supplied by the maintenance bypass AC input source 4 Open the upstream bypass circuit breaker Q4S Operation 2 35 EPS 6000 UPS Shared Systems The whole UPS system is now isolated for maintenance For complete protection QAS or the upstream circuit breaker supplying Q4S should be locked open and tagged while the UPS is being serviced To restart the UPS system after maintenance 1 Close the upstream bypass circuit breaker 045 After about 10 seconds the wrap around circuit breaker Q2S will close Close the system isolation circuit breaker Q5N Open the system maintenance bypass circuit breaker Q3BP The SSC is now on line and the load is supplied via the bypass source 4 Restart the UPS modules by following the procedure in Section 2 4 5 1 2 4 6 Forced Transfers This section describes the normal transfer conditions and the procedures to be followed when issuing forced transfers CAUTION Using the forced transfer functions will cause the load to experience an interruption for a minimum of 0 8 seconds Be certain the the load can tolerate this interruption 2 4 6 1 Uninterrupted To transfer the load between the UPS module output and Mr the bypass AC input mains 2 source without interruption Transfer Conditions the following conditions must be satisfied e UPS module output and bypass AC input p
57. l Components Shared 500 kVA UPS Cabinet 1 7 1 6 oe tad yere RR EPS 6000 Major Internal Components Shared 500 kVA UPS Cabinet 1 8 5 6000 Major Internal Components Shared 750 kVA UPS Cabinet 1 1 9 158 Re EPS 6000 Major Internal Components Shared 750 kVA UPS Cabinet 2 1 10 1 0 Vxor Rer EPS 6000 Major Internal Components Shared 750 kVA UPS Cabinet 3 1 14 1510 cs vue EPS 6000 Major Internal Components Static Switch Cabinet SSC 1 12 wins dvs paw Power Flow Normal Operation 2 1 2 2 OG a Power Flow On Battery Operation 2 2 2 3 Reus REG Power Flow Bypass Operation 2 3 2 4 5 6000 Controls and Indicators 2 4 EPS 6000 Front Panel 2 4 2 6 d Alphanumeric Display and Controls 2 7 2 xx E Hidden Panel 2 9 2 78 ghee wwe o Hidden Panel Pushbuttons 2 12 Contents EPS 6000 UPS Shared Systems 2 O cius suu ale ehe Single Line Diagram Typical EPS 6000 UPS Shared Installation 2 14 2 10 peta yd 5 6000 Major Internal Components Shared 150 225 kVA UPS Module 2 15 es 5 6000 Major Internal Components Shared 300 375 kVA UPS Module 2 16 2 12 424225 EPS 6000 Major Internal Components Shared 500 kVA UPS Module Cabinet 2 17 2 13 psa ye ee EPS 6000 M
58. le in a shared system is shut down it may cause the remaining modules to enter an overload or current limiting condition if they are unable to fully support the attached load The remaining modules may shut down after a certain time or immediately depending on the load level and the load may be transferred to the bypass AC input source 2 4 5 Isolation for Maintenance 2 4 5 1 Isolation of To isolate an individual UPS module for maintenance NP allowing the remaining UPS modules to maintain the an Individual attached load follow this procedure starting with all UPS modules operating normally supplying the attached load UPS Module 1 Stop the inverter by pressing the inverter off pushbutton on the UPS module front panel for 3 seconds The audible alarm will sound silence the alarm by pressing the audible alarm reset pushbutton on the hidden panel see Section 2 2 3 If the transfer conditions are not satisfied bypass out of tolerance or other reason a forced transfer is required refer to Section 2 4 6 Forced Transfers Operation 2 33 EPS 6000 UPS Shared Systems IMPORTANT When one UPS module in a shared system is shut down it may cause the remaining modules to enter an overload or current limiting condition if they are unable to fully support the attached load The remaining modules may shut down after a certain time or immediately depending on the load level and the load may be transferred to the
59. left blank 3 0 3 1 3 2 Maintenance and Service Scope This section describes maintenance of the EPS 6000 UPS including safety instructions preventive maintenance descriptions of replacement parts kits and service Safety Instructions IMPORTANT SAFETY INSTRUCTIONS FOR SERVICING BATTERIES A Servicing of batteries should be performed or supervised by personnel knowledgeable of batteries and the required precautions Keep unauthorized personnel away from batteries B When replacing batteries use the same model and manufacturer of batteries C CAUTION Do not dispose of battery or batteries in a fire The battery may explode D CAUTION Do not open or mutilate the battery or batteries Released electrolyte is harmful to the skin and eyes It may be toxic E CAUTION A battery can present a risk of electrical shock and high short circuit current The following precautions should be observed when working with batteries Remove watches rings or other metal objects Use tools with insulated handles Wear rubber gloves and boots Do not lay tools or metal parts on top of batteries Disconnect charging source prior to connecting disconnecting battery terminals 6 Determine if the battery is inadvertently grounded If inadvertently grounded remove the source of ground Contact with any part of a grounded battery can result in electrical shock The likelihood of such shock will be reduc
60. ll not be liable for any labor subcontracted or performed by Purchaser for preparation of warranted item for return to Seller s factory or for preparation work for field repair or replacement Invoicing of Seller for labor either performed or subcontracted by Purchaser will not be considered as a liability by the Seller This warranty shall be exclusive of any and all other warranties express or implied and may be modified only by a writing signed by an officer of the Seller This warranty shall extend to the Ultimate Purchaser but to no one else Accessories supplied by Seller but manufactured by others carry any warranty the manufacturers have made to Seller and which can be passed on to Ultimate Purchaser Seller makes no warranty with respect to whether the products sold hereunder infringe any patent U S or foreign and Buyer represents that any specially ordered products do not infringe any patent Buyer agrees to indemnify and hold Seller harmless from any liability by virtue of any patent claims where Buyer has ordered a product conforming to Buyer s specifications or conforming to Buyer s specific design Buyer has not relied and shall not rely on any oral representation regarding the Product sold hereunder and any oral representation shall not bind Seller and shall not be part of any warranty There are no warranties which extend beyond the description on the face hereof In no event shall MGE UPS Systems Inc be responsible for consequential
61. location away from the equipment Remote emergency power off Silicon controlled rectifier Pushbutton on the hidden panel UPS modules and SSC allowing forced transfers and other commands to be issued The security key pushbutton must be held down while the desired function is executed Sequence Any damage done to an article while it is in transit A platform on which articles are fixed for shipping The ratio of the weight of a given volume of substance such as electrolyte to that of an equal volume of another substance such as water used as a reference Static switch cabinet in shared systems Synchronization Refers to an electronic technician qualified to maintain and repair electronic equipment Not necessarily qualified to install electrical wiring Compare with electrician DB 9 type connector on the hidden panel UPS modules and SSC allowing an MGE Customer Support Services technician to access programmable and diagnostic features of the system Voltage Under frequency Underwriters Laboratories Inc Uninterruptible power system Under voltage Volts of alternating current Battery voltage in volts DC Glossary g 5 EPS 6000 UPS Shared Systems VDC Volts of direct current Via By way of VPC Volts per cell the measure of the electrical potential of a storage cell such as a battery XFMR Transformer g 6 Glossary Reorder form MGE UPS SYSTEMS 1660 Scenic Avenue ms Costa M
62. ns Return to float voltage pushbutton 2 applies to UPS module only This pushbutton can be used during a battery charge cycle to force the rectifier battery charger back to the float voltage level Security pushbutton key This pushbutton must be pressed simultaneously with any of the following three pushbuttons This helps guard against inadvertent transfer of the load with interruption Inverter desync sync pushbutton 3 applies to SSC only Pressing and holding the security key while pressing this pushbutton forces the inverter output to desynchronize or synchronize to the bypass AC input mains 2 source CAUTION Using the forced transfer functions will cause the load to experience an interruption for a minimum of 0 8 seconds Be certain the the load can tolerate this interruption see Section 2 4 6 Forced Transfers 2 12 Operation User s guide Forced bypass to inverter pushbutton 4 applies to SSC only Pressing and holding the security key while pressing this pushbutton forces the transfer of the load to the inverter output when the bypass is out of tolerance Enough UPS modules must have been started press the inverter on pushbutton on their front panels if necessary The load will experience a 0 8 second inter ruption Refer to Section 2 4 2 Start up and Section 2 4 6 Forced Transfers Forced inverter to bypass pushbutton 5 applies to UPS module only Pressing and holding
63. or Q3BP are set to the maintenance position The UPS module or SSC is not available for load protection Test connector Figure 2 8 This 9 pin connector is reserved for service It is used to connect the cabinet to a computer allowing system calibration personalization and computer aided diagnostics Pushbuttons Following are brief descriptions of the function of the hidden panel pushbuttons shown in Figure 2 8 Clear fault log Pressing this pushbutton clears the alarms stored in memory allowing the unit to restart Memorized alarms cannot be cleared until the condition causing the alarm has been corrected Audible alarm reset Pressing this pushbutton stops the audible alarm Should a new fault condition at a higher alarm level occur the alarm will sound again Operation 2 11 EPS 6000 UPS Shared Systems Figure Hidden Panel Pushbuttons Clear Battery Inverter 2 8 faultlog charge cycle desync sync pushbutton pushbutton pushbutton Security key Forced inverter to pushbutton bypass pushbutton Test Audible Return to Forced bypass connector alarm float voltage to inverter reset pushbutton pushbutton Battery charge cycle pushbutton 1 applies to UPS module only Pressing this pushbutton begins a battery charging cycle After the cycle is complete the rectifier battery charger returns to float charge levels on the battery The battery charge cycle is not applicable to sealed lead acid battery installatio
64. r multiple stranded conductors over 4 0 AWG in diameter M is from the Roman numeral system it is the symbol for 1 000 Motor generator set MGE UPS Systems Inc Refers to an EPS 6000 UPS module rectifier battery charger inverter and attached battery cabinet Metal oxide varistor National electrical code National fire protection association Part number Occupational safety and health act Over frequency The attached load is being supplied by the stored energy in the battery system Over voltage The list of articles included in a given shipment Power factor UPS input isolation circuit breaker Optional maintenance bypass circuit breaker in single module UPS system optional maintenance bypass circuit breaker in MBC cabinet in shared systems Control or bypass circuit breaker in single module UPS systems user supplied bypass AC input circuit breaker supplying the SSC in shared systems Optional UPS isolation circuit breaker in single module UPS systems UPS module isolation circuit breaker in shared systems optional SSC isolation circuit breaker in MBC Battery disconnect circuit breaker Glossary Remote emergency power off REPO SCR Security bypass key SEQ Shipping damage Shipping pallet Specific gravity SSC Sync or synch Technician Test connector UF UL UPS UV VAC Vb User s guide A switch used for shutting down electrical equipment from a
65. rce input as well as the UPS battery source Batte ry System The battery system stores energy for use by the inverter The stored energy is utilized in the event that the AC input power from the utility source fails or falls outside of acceptable tolerance The battery system may be an MGE battery cabinet designed for operation with the EPS 6000 UPS or a customer supplied battery installation MGE supplied EPS 6000 battery cabinets may be a provided as stand alone enclosures or as enclosures designed to be mounted adjacent to the EPS 6000 UPS module The EPS 6000 comes with a special battery ambient temperature sensor which allows the optimization of the DC voltage level as a function of the temperature ensuring that the battery is properly charged and preserving its longevity Introduction 1 3 Figure 1 3 Description of SSC Major Internal Components User s guide The static switch cabinet SSC provides an electrical path between the output of the UPS modules and the load When the UPS modules are off the SSC provides power to the load from the bypass AC input source mains 2 Up to 6 modules can be connected to the SSC supporting loads as great as 1 500 kVA UPS modules may be turned off individually for maintenance provided that the remaining modules can support the load The 55 incorporates a static bypass switch A wrap around circuit breaker Q2S in the SSC switches between the UPS module ou
66. rm condition The flashing exclamation mark 1 indicates that there are alarm messages to view To view them press the AN alarm pushbutton CALARM MESSAGE HUMBER 12 LAST ALARM MESSAGE The last alarm message is not followed by an exclamation mark 1 When the alarm pushbutton is pressed again the display will return to the general status screen general status screen Operation 2 25 EPS 6000 UPS Shared Systems 2 3 3 Measurements 2 3 3 1 Voltage Measurements Figure 2 22 Voltage Measurements The LCD can display comprehensive information about UPS performance through its monitoring functions To display voltage measurements press the V key on the keyboard as shown in Figure 2 22 Select voltage measurements by pressing the V pushbutton Only in UPS modules UCA only in SSC only in SSC only in UPS modules only in UPS modules Operation Main input mains 1 phase to phase voltages in VAC RMS Bypass input mains 2 phase to neutral voltages in VAC RMS Bypass input mains 2 phase to phase voltages in VAC RMS Inverter output phase to neutral voltages in VAC RMS Inverter output phase to phase voltages in VAC RMS Load phase to neutral voltages in VAC RMS Load phase
67. s 2 34 Operation User s guide 2 4 5 2 Isolation of To isolate the SSC for maintenance or to transfer the load to maintenance bypass input source if present follow the Static Switch procedure that applies to your configuration Cabinet SSC 24521 Without This procedure assumes that the UPS system is operating normally with the attached load supplied Maintenance via the UPS modules Bypass 1 Isolate all the UPS modules by following the procedure in Section 2 4 5 1 2 Open the upstream bypass circuit breaker 45 CAUTION Opening Q4S with the UPS modules off in a UPS system with no maintenance bypass will disconnect the attached load The whole UPS system is now isolated for maintenance For complete protection Q4S or the upstream circuit breaker supplying 045 should be locked open and tagged while the UPS system is being serviced To restart the UPS system after maintenance 1 Close the upstream bypass circuit breaker 045 After about 10 seconds the wrap around circuit breaker Q2S will close and supply the attached load via the bypass source 2 Restart the UPS modules by following the procedure in Section 2 4 5 1 24 5 22 With Maintenance This procedure assumes that the UPS system is operating normally with the attached load supplied Bypass via the UPS modules 1 Isolate all the UPS modules by following the procedure in Section 2 4 5 1 Close the system maintenance bypass circuit brea
68. ss AC input Calorie Carrier CB Conduit C S S CT Curr Current rating DC or dc Earth ground Electrician EPO EPS 6000 UPS Shared Systems Battery Circuit breaker A unit of heat equal to 252 calories see BTU British thermal unit Defined as the amount of energy required to raise the temperature of 1 pound of water by 1 Bypass Maintenance bypass wrap around manual maintenance bypass using the optional bypass circuit breaker Q3BP in conjunction with circuit breaker 45 and isolation circuit breaker Q5N Mains 2 A unit of heat One calorie is the amount of energy required to raise the temperature of one gram of water by one degree Celsius The company or individual responsible for delivering goods from one area to another Circuit breaker A flexible or rigid tube surrounding electrical conductors Customer Support Services Current transformer Current The maximum current that a piece of electrical equipment is designed to carry Direct current A ground circuit that has contact with the earth Refers to an installation electrician qualified to install heavy duty electrical components in accordance with local codes and regulations Not necessarily qualified to maintain or repair electrical or electronic equipment Compare to technician Emergency power off Glossary Free running FREQ Fusible GND Hz Input branch circuit Inverter kVA kW LCD LED LEG
69. ssing the fault log clear button the left most button on the lower hidden panel as shown in Figure 2 8 Open the input isolation circuit breaker Q1 or the upstream circuit breaker feeding Q1 After taking these steps make a record of the display lights and alarm messages call your local MGE Field Engineer or call 1 800 438 7373 for assistance Maintenance and Service 3 3 EPS 6000 UPS Shared Systems this page intentionally left blank Symbols 1 AC or ac Alphanumeric display Ambient air temperature Ambient noise Attached load Audible alarm AWG Glossary Used to reference paragraph headings that are listed in the table of contents Used to represent and or Percent of each hundred Degrees Fahrenheit Degrees Celsius At Plus or minus Number Phase Ohms Second Normal sequence of phases clockwise in three phase power Alternating current The LCD display above the hidden panel behind the drop down cover on the UPS module and the SSC The temperature of the surrounding air The noise level of the environment The load attached to the UPS output such as a computer system or manufacturing system A buzzer located behind the front panel on the UPS module and the SSC that sounds when alarm conditions occur American Wire Gauge formerly Brown amp Sharp gauge Breaker British Thermal Unit BTU or Btu BYP BYPASS Bypa
70. that the rectifier battery charger has been instructed to shut down for example during progressive stepped transfer to a motor generator set This message indicates that the rectifier battery charger has been instructed to limit the power drawn from the main AC input mains 1 source This condition occurs for example when the load is being supplied by an undersized motor generator set the UPS battery source is called upon to make up the difference This message indicates that the rectifier battery charger has been instructed to limit the charge current to the battery Normal charge current to the battery will be supplied when the command is released This condition occurs for example when the load is being supplied by an undersized motor generator set This message indicates that the battery circuit breaker QF1 has been opened or has tripped The load is no longer protected since battery power is unavailable This message indicates that the UPS module has shut down due to depletion of the battery s stored energy This message indicates that a fault has occurred in the rectifier battery charger and that service is required This message indicates that the input isolation circuit breaker is open or has tripped It must be closed for rectifier battery charger start up 2 40 Operation User s guide This message indicates that the inverter is in an overload condition usually due to excessive real power KW
71. to phase voltages in VAC RMS Figure 2 23 User s guide To display current measurements press the key on the keyboard as shown in Figure 2 23 Current Measurements Select current measurements by pressing the pushbutton j IHPLT 11 12 15 Only in UPS modules only in SSC only in UPS modules LOAD RMS I LOAD IH 4 CIM Operation Main input mains 1 currents in AAC RMS Bypass input mains 2 currents in AAC RMS Inverter output currents in AAC RMS Load currents in AAC RMS Highest current drawn by a load phase relative to the current rating of the UPS module or SSC IN Load crest factor for each phase EPS 6000 UPS Shared Systems 2 3 3 3 Power Frequency Measurements To display power or frequency measurements press the W Hz key on the keyboard as shown in Figure 2 24 Figure Power and Frequency Measurements 2 24 Select power and frequency measurements by pressing the WHZ pushbutton WHz FREQ INP IW HZ d WHz LOAD PS WHz P LOAD Pn amp WHz LOAD Pi 2 EUR WHz P TOTRL F ENA LOAD POWER FACTOR LOAD Frequency
72. tput and the bypass AC input source when the UPS modules are off Optionally the SSC can be provided with its own maintenance bypass cabinet MBC allowing the SSC and or any attached UPS module to be serviced while the load is supplied via the maintenance bypass AC input source EPS 6000 Major Internal Components Shared 150 225 kVA UPS Modules AC CAPACITOR ASSEMBLY FANS x 6 FB1 TO FB8 F10 F11 RATED 2A 500VDC F12 F13 EPOZ CHARGER STATIC SW BAIZ amp TREZ BEHIND PLATE ALBZ CARD CAGE 1 GTCZ PCA 2 SRIZ PCA 3 CRIZ PCA 4 CROZ DO6Z PCA 5 AROZ PCA 6 ALEZ PCA INPUT FUSES F1 F2 FUSES 16 17 F18 F19 INPUT CONNECTIONS TOP VIEW COVER REMOVED FRONT VIEW DOORS AND COVERS REMOVED E 4 9 99 9 RAUZPCA OBEZPCA 9999 FAN TRANSFORMER FB9 IBEZ PCA 1 DC CAPACITORS e 123456 Q1 918 9 000000 8383 GROUND BATTERY CONNECTIONS CONNECTIONS Introduction INVERTERS EHIND EACH INVERTER INVERTER FUSES BEHIND OUTPUT FUSES F7 F8 F9 120V AC OUTLET FOR MGE USE ONLY ARUZ PCA BEHIND MTG PLATE ACPZ PCA K3NZ PCA APOZ B Q5N OUTPUT XFMR BEHIND BREAKERS OUTPUT 5 5 CIRCUIT BREAKER 0000 4 4 4 NEUTRAL CONNECTION BEHIND OUTPUT OUTPUT CONNECTIONS EPS 6000 UPS Shared Systems Fig
73. ttings 4 display pushbutton pushbutton 2 Settings pushbutton This pushbutton is used to select the display language and adjust the LCD screen contrast for optimal viewing Pushbutton This pushbutton primarily allows the selection of which UPS module or SSC the display communicates with it may also serve to indicate selection negative response and other functions depending on the displayed message Pushbutton This pushbutton provides access to voltage measurements including e Main AC input mains 1 phase to phase voltage e Bypass AC input mains 2 phase to neutral and phase to phase voltage nverter output phase to neutral and phase to phase voltage Load phase to neutral and phase to phase voltage Pushbutton This pushbutton provides access to current measurements including e Main AC input mains 1 current e Bypass AC input mains 2 current Operation 2 7 EPS 6000 UPS Shared Systems e Inverter current e Load current e Percent current drawn by the load relative to UPS module or SSC rating e Crest factor per phase WHz Pushbutton This pushbutton provides access to power and frequency measurements including e Main AC input mains 1 frequency e Bypass AC input mains 2 frequency Inverter frequency Power drawn by the load in KW and kVA e Load power factor Battery pushbutton This pushbutton provides access to battery measurements including
74. ure EPS 6000 Major Internal Components 1 4 AC CAPACITOR ASSEMBLY FANS x 6 FB1 TO FB8 F10 F11 RATED 2A 500VDC F12 F13 EPOZ CHARGER STATIC SW BAIZ amp TREZ BEHIND PLATE ALBZ CARD CAGE 1 GTCZ PCA 2 SRIZ PCA 3 CRIZ PCA 4 CROZ DO6Z PCA 5 AROZ PCA 6 ALEZ PCA INPUT FUSES F1 F2 F3 FUSES F16 F17 F18 F19 INPUT CONNECTIONS Shared 375 kVA UPS Modules Bi B dB 3 4 5 6 LI TOP VIEW COVER REMOVED FRONT VIEW DOORS AND COVERS REMOVED o o LEES 5 E RAUZ OBEZ FBS FBS FB8 N RET GROUND CONNECTIONS C e oS oS Oj OUTPUT CONNECTIONS BATTERY CONNECTIONS Introduction FAN TRANSFORMER 9 IBEZ PCA DC CAPACITORS EHIND EACH INVERTER INVERTER FUSES BEHIND F23 TO F34 INVERTERS x6 OUTPUT FUSES F7 F8 F9 120V AC OUTLET FOR MGE USE ONLY ARUZ PCA BEHIND MTG PLATE ACPZ PCA K3NZ PCA APOZ NS OUTPUT XFMR BEHIND BREAKERS OUTPUT CIRCUIT BREAKER NEUTRAL CONNECTION BEHIND OUTPUT Figure EPS 6000 Major Internal Components 1 5 Shared 500 kVA UPS Cabinet NEUTRAL CONNECTION NEUTRAL CONNECTION GROUND CONNECTION INPUT FUSES F1 F2 F3 FUSES F16 F17 L3 TOP VIEW COVERS REMOVED
75. verter shutdown due to output voltage out of tolerance e Inverter output protection fuse blown Inverter leg fault e nverter output transformer over temperature Inverter leg over temperature Current sharing fault e nternal clock fault e nverter control board fault e Power supply board fault I Battery discharged This orange LED indicates that the battery has reached the end of its autonomy shutting down the inverter 2 10 User s guide J Inverter desynchronized This orange LED indicates that the inverter output frequency is not synchronized with the bypass AC input mains 2 K Transfer fault This red LED indicates a transfer fault which may be one or more of the following conditions Inverter output contactor K3N fault e Current sharing relay fault e Static switch power supply fault Transfer control board fault e Power supply board fault L Overload This orange LED indicates an alarm condition resulting from one or more of the following conditions e UPS module inverter current above rating UPS module output current above rating e SSC output current above rating e UPS module and or SSC shutdown due to excessive load current M Bypass AC input mains 2 outside tolerance This orange LED indicates that the bypass AC input mains 2 voltage and or frequency are too high or too low N Maintenance position This orange LED indicates that circuit breakers QF1 Q4S Q5N
76. vironment O to 40 C 32 to 104 except battery 20 to 50 C 4 to 122 up to 90 non condensing operating sea level to 1 000 meters sea level to 3 280 feet without derating 1 000 to 2 000 meters 3 280 to 6 560 feet derate operating temperature to a maximum of 28 C 82 F 150 225 300 375 500 750 72 T2 72 75 78 480 15 60 Hz 10 3 phase sequence must be A B C 3 or 4 wires plus ground 2 000 Amperes 480 VAC 60 Hz 4 wires plus ground 2 000 Amperes 0 8 lagging Introduction 1 15 EPS 6000 UPS Shared Systems 1 6 2 Mechanical Height 1 981 mm 78 in Depth 1 219 mm 48 in Width 1 829 mm 72 in Weight 1 310 kg 2 900 Ibs SSC 1 091 kg 2 000 Ibs MBC Finish MGE light gray 1 16 Introduction 2 0 2 1 2 1 1 Figure 2 1 Operation Scope This section presents operating information for EPS 6000 UPS shared systems including an overview of the system its components and their function a description of the indicators and controls and their function and operational sequences to be followed for all conditions of normal emergency and maintenance operation System Operation This section presents an overview of system operation Overview Static Switch During normal operation as shown in Figure 2 1 on battery operation shown Figure 2 2 the Cabinet Operation attached load is supplied by the UPS modules through the
77. y Seller warrants to the Ultimate Purchaser the purchaser who buys for use and not for resale that all products furnished under this order and which are manufactured by Seller will conform to final specifications drawings samples and other written descriptions approved in writing by Seller and will be free from defects in materials and workmanship These warranties shall remain in effect for period of twelve 12 months after delivery to the Ultimate Purchaser But if the Seller installs the equipment or supplies technical direction of installation by contract said one year shall run from the completion of installation provided installation is not unreasonably delayed by Ultimate Purchaser Parts replaced or repaired in the warrant period shall carry the unexpired portion of the original warranty A unit placed with the Purchaser on consignment and then later purchased will be warranted for twelve 12 months from the time the Seller receives notifi cation of the Purchaser s intent to purchase said consigned item The foregoing in its entirety is subject to the provision that m no case will the total warranty period extend beyond 18 months from date Seller ships equipment from point of manufacture The liability of Seller hereunder is limited to replacing or repairing at Seller s factory or on the job site at Seller s option any part or parts which have been returned to the Seller and which are defective or do not conform to such speci fications dr
78. y power off EPO is to be used during emergency situations only where a hazard to personnel or equipment exists such as during a fire DO NOT USE THE EPO TO TURN THE UPS ON OR OFF follow the procedures listed in this section for turning on and off the inverter On the left side of the front panel an emergency power off EPO pushbutton is provided with a protective cover to guard against inadvertent operation This pushbutton when activated on a UPS module disconnects the main AC input mains 1 and battery power to the module and disconnects output power to the SSC s UPS module AC input bus When activated on the SSC it sends a shunt trip signal to the upstream protective device Q4S supplying the bypass AC input mains 2 source and sends an EPO command to each UPS module see above disconnecting the attached load Audible alarm Figure 2 5 item 1 The audible alarm provides an audible warning to the operator by sounding a pulsed beep when any of the following conditions occur Load transferred to bypass mains 2 e Load supplied via battery e Operating problem During minor alarm conditions the alarm sounds at a slow rate and a low sound level When the battery approaches the low voltage shutdown level the alarm sounds louder and at an increased rate If the inverter shuts down the alarm sounds loudly and continuously An audible alarm reset is located on the hidden panel see Figure 2 7 Pressing it will s

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