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EPE EPS-2000 Series Owner's Manual

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EPS-2000'" 50 to 125 kVA
Uninterruptible power system
Owner's manual

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  • Page 1 EPS-2000’” 50 to 125 kVA Uninterruptible power system Owner’s manual...
  • Page 2 IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS - This manual contains important instructions for models EPS-2051 (50 kVA), EPS-2061 (60 kVA). EPS-2081 (80 kVA), EPS-2101 (100 kVA) and EPS- 2121 (125 kVA) that must be followed during installation. operation, and maintenance of the UPS and its batteries.
  • Page 3 Uninterruptible power system Owner’s manual for service calf: 1 - 600 - GETS - EPE 1660 Scenic Avenue Copyright 0 1991 EPE Technologies. Inc. Costa CA 92626 All rights resewed. Printed in U.S.A. (714) 557 - 1636...
  • Page 4 EPS-2000’” 50 125 kVA Uninterruptible power system Owner’s manual...

  • Page 5: Table Of Contents

    Owner’s Manual Contents Safety information Service and factory repair Warranty contents List of illustrations How to use this manual introduction Section I - l - l scope General Description l - 2 1 .l .l Model numbering l - 7 1.1.2 Input autotransformer 1 .1.3...
  • Page 6 Uninterruptible Power System Start-up procedure 2.6.1 prior to start-up 2-10 2.6.2 Initial start-up 2-10 2.6.3 Checks after start-up -Operation section III scope System etatus and control panel (SS&CP) 3.1 .l Liquid-crystal display (LCD) 3.1.2 Keys Indicators Controls 3.2.1 Electra-mechanical controls 3.2.2 Programmable controls EPS monitor software Initial start-up condition...
  • Page 7 Owner’s Manual Appendices: Appendix A-Optima Power warning interface (IBM AS/400) Remote communications link Remote alarm status panel (RASP) Remote monitor/control panel DC ground fault detector Appendix B-Typical configurations (100 and 125 kVA) Baseline system EPS-2000 UPS with maintenance bypass 8 . 3 EPS-2000 UPS with 208,220, or 415 VAC output 8 .
  • Page 8 Uninterruptible Power System How To Use This Manual: This manual is designed for ease of use and easy location of information on an as-needed basis. The manual is divided into four sections as described in the Introduction. To quickly find the meaning of terms used within the text. look to the Glossary.

  • Page 9: Scope

    Owner’s Manual Introduction This manual provides technical information required for installation, operation, and maintenance of the EPS-2000TM Uninterruptible Power System (UPS). Please read this manual thoroughly before installing or operating the EPS-2000 equipment. The manual is divided into four sections: Section -Introduction This section serves as an introduction to the manual and the EPS-2000 family of UPS products.

  • Page 10: General Description

    Uninterruptible Power System General description The EPS-2000 is an on-line static uninterruptible power system (UPS) designed to protect critical loads from anomalies commonly encountered from power utilities. The EPS-2000 UPS and its auxiliary equipment can be installed in a computer pictorial of the EPS-2000 UPS.
  • Page 11 Owner’s Manual Table 1 details the different auxiliary cabinets used for all possible input/output voltage combina- tions. For example, if your configuration requires 208 VAC input and output, your will system consist of an EPS-2000 UPS and two ACA-2000 cabinets. as shown in the table. The EPS-2000 UPS is part of the modular EPS-2000 family which includes the EPA-2000 battery system, the ACA-2000 auxiliary cabinet.

  • Page 12: Model Numbering

    Uninterruptible Power System Figure 2: EPS-2000 UPS single-line diagram Refer to Appendix B for further information on the auxiliary cabinet supplied with the EPS-2000 UPS when the specified input andforoutput voltage is other than 208,220 or 480 VAC. 1 .I .l Model numbering The model numbering system used for the EPS-2000 UPS is shown below: standard configura- tions and their respective auxiliary cabinet requirements are identified in Table 1.
  • Page 13 Owner’s Manual Figure 3A: Location of major internal components on model EPS-2000 (SO-90 KVA) FU3. FU4 RATED 600 V. 6 A TOP VlEW AC CAPACITORS DC CAPACITORS CARD CAGE: FUSES n, F6, F9 1 - CANF PCA RATED 600 V, 2W A 2 -CHAP PCA 3 - ODUP PCA 4 _ AQOF PCA...
  • Page 14 Uninterruptible Power System Figure 38: Location of major internal components on model 2101 and2121 PCA DETAIL RATED 600 V. 2 A RATED 250 V. 2 A CARD CAGE: VIEW 1 - CANF PCA (SEE DETAIL ABOVE) 2 - CHAP PCA 3 - ODUP PCA 4 - ACOF PCA 5 - AClCF PCA...

  • Page 15: Input Autotransformer

    Owner’s Manual 1 .I .2 input autotransformer (optional) The input autotransformer is used to match the ac source voltage to that required inter- nally by the UPS. The input autotransformer. when supplied, is housed in an optional ACA-2000 auxiliary cabinet. Refer lo Table 1 and Appendix B. 1.1.3 Rectifier/battery charger...

  • Page 16: Programmable Controls And Indicatora

    Figure 4: System status and controlpanel (SSACP) EMERGENCY POWER OFF (EFfJ) KEYS (BOTH KEYS MUST BE SCRCU UP AND PRESSEDSIMULTANEOUSLY TO INITIATE AN EMERGENCY CURRENT (AMPERAGE) MEASUREMENT KEY MEASUREMENT KEY LOAD ON BYPASS LED (GREEN) Programmable controls and indicators All EPS-2000 programmable controls (excluding circuit breakers and non-automatic switches) are located on the system status and control panel (SS&CP).

  • Page 17: Circuit Breaker

    Owner’s Manual CAUTION The emergency Power off (EPO) keye are to be used during emergency situations only, where a hazard to pereonnei or equipment exists, such as during a fire. DO NOT USE THE EPO TO TURN THE UPS ON OR OFF; follow the procedurea listed in Section iii -OPERATION, for turning on end off the rectifier/battery charger and inverter.

  • Page 18: Battery Characteristics

    100% step load change 1.3.3 Battery characteristics For detailed information on the BPA-2000 battery subsystem. refer to the BPA-2000 owner’s manual (EPE part number 8&141602-00). Nominal dc voltage: 480 vdc DC voltage range: 390 - 545 Vdc...

  • Page 19: Mechanical Characteristics

    Audible noise level: less than 60 dB (‘A’ scale) EPS-2000 options 1 . 4 Options available for the EPS-2000 UPS are presented in Appendix A can be field installed; consult your EPE Technologies dealer for further information.
  • Page 20 Uninterruptible Power System (This page /eft blank intentionally.)

  • Page 21: Section Ii - Installation

    Damage claims should be filed directly with the carrier. Replacements for damaged components should be ordered through EPE Customer Support Services. H a n d l i n g The EPS-2000 is provided with swivel-type casters for ease of handling. An optional shipping pallet can be provided upon request.

  • Page 22: Storage

    We strongly recommend contracting EPE Customer Support Services for installation and start-up. Do not allow unqualified personnel to handle or operate the EPS-2000 UPS equipment.

  • Page 23: Electrical

    Top cable entry can be provided by using the optional ACA-2000. The designated bottom cable entry area is shown in Figure Figure 7. Refer to the ACA-2000 ownet’s manual (EPE part number 86-141701-00) for informa- tion on the top cable entry area.
  • Page 24 Cables may enter through the bottom of the enclosure (see Figure 6) or through the side (see Figure your installation. Refer to ‘Cable preparation procedure for field wiring.” EPE document number Side, back, and/or...

  • Page 25: Ups Output Load Connections

    Owner’s Manual IMPORTANT The EPS-2000 UPS will require interconnections with auxiliary cabinets when input and/or output voltages other than 460 VAC Refer to Table 1 and Appendix B, snd the appropriate owner’s manual number 66-141703-00) before proceeding with the installation process. Refer to the instslletion drawings supplied with your equipment for details on your specific configuration.
  • Page 26 Table 5: Electrical data AC OUTPUT AC INPUT 1 2 5 % AT NOMINAL VOLTAGE VOLTAGE MINUTES CURRENT’ (VOLTS) (AMPERES) (AMPERES) (AMPERES) (AMPERES) (AMPERES) (AMPERES) EPS-2051 2 5 0 2 5 0 2 5 0 3 0 . 3 WIRE + GND 30.4 WIRE + GND 2 2 2 3 3 3...

  • Page 27: Ac Input Connections

    Owner’s Manual 2.5.2 AC input connections CAUTION Use only aluminum (AL) or copper (CU) input conductors rated 75O C., and sized larger than I1 AWG. See Figure 9 for the location of the phase. three wires plus equipment ground: or four wires plus equipment ground for other than 490 V input models.
  • Page 28 See Figure 9 for the location connections inside the UPS enclosure; refer to the BPA-2000 owner’s manual (EPE part number 86-140100-00) for the location of the battery connections inside the BPA-2000 enclosure. The connections to be made are two wires.

  • Page 29: Start-Up Procedure

    BPA-2000 manual for further information. Start-up procedure We strongly recommend contracting EPE Customer Support Services for installation and start-up Do not allow unqualified personnel to handle or operate the EPS-2000 UPS equipment. Before starting up the EPS-2000, read thoroughly Section Ill -Operation. Be certain that you fully understand the operation of the LCD display and the EPS monitor software (1 3.3).

  • Page 30: Initial Start-Up

    2.6.2 Initial start-up Refer to n 3.3.1 for the initial start-up procedure. This procedure should be followed any time that the EPS-2000 UPS is being powered up from an off condition (i.e.. powered down by removing upstream input power and opening the main 2.6.3 Checks after start-up Normal operation of the EPS-2000 UPS should be tested immediately after the initial start-up has been performed.

  • Page 31: Operation

    Owner’s Manual Operation 3 . 0 This section describes operation of the EPS-2000 Ty UPS, including the system status and control panel (SS&CP). programmable controls and indicators, controls, operating modes. alann conditions, and isolation of the UPS. status System and control panel (SS&CP) The SS&CP, shown in Figure 11, is located on the upper enclosure.

  • Page 32: Keys

    Uninterruptible Power System 3.1.2 Keys Audible alarm silence key This key is used to silence the audible alarm. NOTE indicating that a key hae been activated. Scroll up key Scroll down key The scroll keys allow the operator to scroll up or down within menus on the LCD. When arrows appear on the left side of the LCD.
  • Page 33 Owner’s Manual To change a value after it has been validated, repeat the operational sequence; re-select the parameter desired. and then enter the new value as described above. Voltage measurement key Pressing this key causes the LCD to display submenus that can be used to monitor: UPS input voltage DC bus voltage (battery) MAINS2 voltage (bypass source.
  • Page 34 Svstem Current measurement key Pressing this key causes the LCD to display submenus that cat’! be used to monitor: UPS input current DC current (battery) [f positive (+), indicates battery charging; if negative (-). indicates battery discharging] MAINS2 current (bypass source, if present) Follow these procedures to monitor current: press: press:...
  • Page 35 Owner’s Manual Main menu call key Pressing this key returns the operator lo the main menu display. If an error is made while working with the EPS monitor software, pressing the menu key twice will always return the display lo the main menu. Enter Pressing this key when a value has been entered validates the entry;...

  • Page 36: Indicators

    Uninterruptible Power System 3.1.3 Indicators Alarm indicalor This red LED, when flashing, indicates that a major or minor alarm condition has occurred. The actual alarm(s) is shown on the LCD. keys to review all alarm conditions. charger status indicator This green LED, when on. indicates that the rectifier/battery charger is operational. This green LED, when on.

  • Page 37: Electra-Mechanical Controls

    Owner’s Manual Controls EPS-2000 controls are of two types: electro-mechanical and programmable. 3.2.1 Electra-mechanical controls Main ac input circuit breaker, located inside the EPS-2000 UPS enclosure (behind the right door). Used to apply input voltage to the circuit, and provides input current protection to the UPS Battery disconnect circuit breaker.
  • Page 38 3.3.1 Initial start-up condition IMPORTANT The EPS-2000 UPS includes auto-restart capability. When the UPS has been operating from its battery source, and the UPS has shut down due to depletion of its batteries, return of utility power will initiate sn suto- restart sequence.
  • Page 39 If you are unsura of your equipment configuration or need assistance with any EPS-2000 operating procedure, contact EPE Customer Support Services. press: display reads:...
  • Page 40 Uninterruptible Power System display reads: comment: There is no output The output The rectifier/battery charger is off. The invsrter is off. PHASE These conditions (as displayed after the test position) are the normal indications that appear for the present status (initial start-up) of the system. If other alarm conditions are displayed.

  • Page 41: Menus

    After the initial start-up procedure (see has been completed. the UPS system should be tested in all phases of operation to assure proper operation of the system. Perform these tests: Rectifier/battery charger and stop (see Emergency power off (EPO) test (see page 3 Remote emergency power off (REPO) test (only for configurations that include the optional REPO: identical to EPO test but from a remote location) Battery transfer test (see II 3.3.2.4)

  • Page 42: Start-Up

    Included with your system. If you are unsure of your equipment configuration or need assistance with any EPS-2000 operating procedure. contact EPE Customer Support Services To access the start-up menu: press:...
  • Page 43 Owner’s Manual comment: display reads: CHECKING The rectifier/battery COMMAND ACCEPTED charger is on. The dc bus voltage is at its preset value. The green rectifier/battery charger LED on the SS&CP is on. Close the optional battery disconnect circuit breaker optional SPA-2000. The audible alarm sounds once every three sec- onds.
  • Page 44 Uninterruptible Power System display reads: comment: Press the enter key to exit the main menu. The EPS monitor has assumed its normal operating condition. The EPS-2000 UPS is now in its normal operating condition. Voltage and current measurements are performed continuously. and can be displayed by pressing the volts and current keys on the The EPS-2000 UPS can be adjusted for any particular requirements of your installation if settings other than the standard factory settings are desired.
  • Page 45 Owner’s Manual 3 . 3 . 2 . 2 lnverter onloft This menu is used to turn the UPS inverter on and off. To access the inverter on/off menu: display read*: comment: To start the inverter, If the inverter is com- COMMAND ACCEPTED manded to start while the rectifier/battery...

  • Page 46: Display Contrast

    comment: display reads: A forced stop is required. which will cause a brief interruption of power to To execute a forced stop, entry of a password is required. Refer to 1 3.3.2.6. 3.3.2.3 Display contrast This menu allows the contrast of the LCD to be adjusted to suit the viewing environment. In very dark or very bright environments.
  • Page 47 Owner’s Manual To execute the battery transfer test: comment: display reads: Press 0 to stop the charger. CHECKING The battery voltage and BATTERY TEST time remaining for autonomous battery operation are displayed continuously during the test. The test ends with display of: Press the enter key to return to the menu.

  • Page 48: Bypass Procedure

    3.3.2.5 Bypass procedure When the EPS-2000 inverter is turned off, the UPS automatically switches to its bypass circuit (the load power is provided from the main and supply power to the attached load(s) via the static switch, follow the procedure in To completely electrically isolate the UPS for maintenance.
  • Page 49 Owner’s Manual The first step in the bypass procedure is to stop the inverler: comment: display made: press: CHECKING The inverter turns off. The load is transferred to the bypass ac input The green bypass LED is on. The audible alarm is activated.
  • Page 50 Uninterruptible Power System Return to inverter To return the UPS to normal operation (inverter output supplying load), follow this procedure: reads: comment: press: display TO MAN BYPASS Close the optional UPS output isolation switch optional ACA-2000 or optional SDC-2000. Open the optional main- OPEN BY-PASS SWITC...

  • Page 51: Commands

    Owner’s Manual 3.3.2.6 Commands The commands menu is used to initiate any of the following operations: Rectifier/battery charger start and stop start and stop Clearing memorized faults Synchronized/non-synchronized UPS inverfer operation Boost or equalize charging of the Selection of display language The commands menu is accessed by pressing the times, and pressing the 6 key.
  • Page 52 Uninterruptible Power System Resetting memorized faults comment: display reads: To reset memorized faults, press: Synchronous/non-synchronous operation Synchronizing and ds- synchronizing the UPS the two-digit password, provided with your equipment. Enter the password: NOTE The two-digit password will not appear on the LCD. NOTE When the UPS inverter Is operated In e non-synchronous mode in relation to the bypass...
  • Page 53 Owner’s Manual Should you make an error entering the password, the EPS monitor will allow you to m-enter the password number. After the password has been successfully entered. the forced stop screen is presented: press: display reads: comment: For synchronous opera- tion, press: For non-synchronous operation.
  • Page 54 Uninterruptible Power System Battery equalization charge This command applies an equalization charge to the battery. press: display reada: comment: To continue without applying equalization charge, press: To apply equalization charge, press: The it-wetter must be turned off to apply the equalization charge.

  • Page 55: Diagnosis

    Owner’s Manual To select Spanish as the LANGUAGE? display language. press: To select Italian as the display language. press: 3.3.2.7 Diagnosis Follow this procedure to initiate the standard diagnostics routine: FOR SELF-TEST STOP INVERTER The green inverter LED turns off. The green bypass LED turns on.
  • Page 56 Write down all PHASE OUT TOL of the alarms and contact EPE customer support services for assistance. After viewing all of the alarm conditions. con- tinue the diagnostics routine by pressing: E S T I N G ’...
  • Page 57 Owner’s Manual comment: display reads: SELF TEST RESULT: START CHARGER CHECKING The green rectifier/ battery charger LED turns on. Close the battery discon- nect circuit breaker START THE INVERTER...

  • Page 58: Personalization

    Uninterruptible Power System comment: display reads: COMMAND ACCEPTED bypass LED turns off. The load is supplied by the UPS inverter output. The red alarm LED turns turns off. DIAGNOSIS The UPS has resumed NORMAL OPERATION normal operation. 3.3.2.8 Personalization The personalization menu provides access to routines that tailor the operation of the UPS for special requirements of the installation.
  • Page 59 Owner’s Manual display reads: comment: STOP THE INVERTER The green inverter LED turns off. The green bypass LED turns on. The red alarm LED begins flashing. The audible alarm begins to sound. To silence the The green rectifier/ COMMAND ACCEPTED battery charger LED turns off.
  • Page 60 LCD. Float voltage is used for wet-cell batteries only. NOTE The value entered must comply with the battery manufacturer’s dc busvoltagerating. Refertothebattery manufacturer’s instructions and specifications, and to the EPA-2000 owner’s manual (EPE part number 86-140100-00).
  • Page 61 The values entered must comply with the battery manufacturer’s recommendation and the UPS dc bus voltage setting. Refer to the battery manufacturer’e 2000 owner’8 manual (EPE part number 66-1401 Set equalization voltage The EPS monitor expects three digits to be entered on the numbered keys.
  • Page 62 Uninterruptible Power System If you attempt to set equalization voltage when sealed batteries are being used (unnecessary), the display will indicate: Set charge rime press: display reads: The EPS monitor expects on the numbered keys. As you enter the num- bers, your entry will be displayed on the right of the LCD.
  • Page 63 EPA-2000 owner’s manual (EPE part number 66-140100-00). Set inverter voltage The EPS monitor expects INVERTER VOLTAGE three digits to be entered on the numbered keys.
  • Page 64 Uninterruptible Power System Select external contact response display reads: One of four options EXT CONTACT=X be selected. NOTE An external dry contact closure must be provided by the ueer to initiate If this feature is not to be used. press: To select the invertsr free-running (the output frequency of the iwetter...
  • Page 65 Owner’s Manual Set generator power limit display reads: comment: The EPS monitor expects three digits to be entered on the numbered keys. As you enter the ““m- displayed on the right of the LCD. Enter the number as in previous procedures.
  • Page 66 Uninterruptible Power System Select telemonitor (remote monitor) comment: display reads: If the remote monitod control panel option is included in your p r e s s : configuration, If the remote monitor/ control panel option is not included in your configuration.

  • Page 67: Communication

    Owner’s Manual Select battery alarm level comment: display reads: This option allows you BATT ALARM LEVEL set the point at which the I dry contact interface Will be actkrated while the battery is approaching the end of its discharge period. The EPS monitor expects a three-digit value to be entered on the numbered keys.
  • Page 68 Uninterruptible Power System comment: display reads: STOP THE CHARGER battery charger. The green rectifier/ COMMAND ACCEPTED battery charger LED turns off. Scroll past the UPS ID number (only relevant in multiple-redundant UPS configurations). Select from options 0 thru 3. then press the enter key.

  • Page 69: Minor Alarms

    Owner’s Manual Alarm conditions EPS-2000 alarms fall into two categories: minor or major alarms. 3.4.1 Minor alarms Minor alarms are those anomalies that occur during normal operation and do not interfere with the normal function of the UPS, but should be corrected in the near future. These are indicated on the LCD like this: Alarms that could appear under this category include those listed below.

  • Page 70: Major Alarms

    Uninterruptible Power System The UPS inverter is not synchronized to the bypass ac input source, because the phase differen- tial between the two is greater than 3.4.2 Major alarms Major alarms are listed separately tor the rectifier/battery charger. and the UPS 3.4.2.1 Rectifier/battery charger major alarms Rectifier/battery charger major...

  • Page 71: Lnvetter Major Alarms

    Owner’s Manual 3.4.2.2 lnverter major alarms UPS inverter major alarms result when the UPS is not operating and the load is being supplied power from the bypass source after a successful static transfer. This condition is indicated on the LCD with this display: INVERTER The alarms that could appear under this category include those listed below and will appear On the LCD after pressing the scroll down key.
  • Page 72 Uninterruptible Power System Logic card power supply fault. Indicates that the UPS has shut down due to an inverter output voltage out of tolerance condition. INV CT FAULT output current sensing circuits are not operating correctly. The inverter output contactor LIMIT The inverter has turned off due to an overload on the UPS inverter output.

  • Page 73: Ups Isolation

    Owner’s Manual UPS isolation for maintenance 3 . 5 W A R N I N G Hazardous voltages exist within thie equipment. Refer servicing to properly qualified personnel. Do not allow unqualified personnel to operate or maintain this equipment. Procedures for isolating the EPS-2000 UPS for preventive or electrical maintenance or other purposes will vary depending on the configuration of your system and the options included with it.
  • Page 74 Uninterruptible Power System UPS WITH maintenance bypass Procedure 2 - a . Follow the instructions for the bypass procedure in 11 3.3.2.5. Insure that the battery is disconnected (if included) by opening the disconnect circuit breaker The EPS-2000 UPS is now shut down and preventive maintenance can be To completely isolate the UPS for electrical maintenance or other purposes, continue with steps c.

  • Page 75: Section Iv - Maintenance

    Owner’s Manual Maintenance s c o p e This section describes preventive maintenance routines; EPS-2000 UPS diagnostic capabilities; remedial maintenance routines; and Preventive maintenance The following preventive maintenance routines should be considered as the minimum require- ments; your installation and site may require additional preventive maintenance to optimal performance from your installed EPS-2000 UPS and associated equipment.

  • Page 76: General Diagnostic Capability

    When the required action is highly involved. or when the fault cannot be located by the EPS monitor software, the EPS monitor will recommend calling a maintenance Contact EPE Customer Support Services for assistance. Diagnostic routines are available under Menu 7 (see n 3.3.2.7).

  • Page 77: Replacing Printed Circuit Assemblies (Pcas)

    Owner’s Manual 4.32 Replacing printed circuit assemblies (PCAs) Six printed circuit assemblies (PCAs) are located in the plug-in card module. which is mounted above the input cable area (see Figure 14). The six below and are positioned from left to right as viewed from the front of the module: Function CANF Main microprocessor...

  • Page 78: Replacement Parts

    This will prevent any unanticipated delays due to time involved in obtaining spare Parts during a critical period. Fuses used during start-up will be replaced by EPE at no charge. This level of replacement parts consists of consumable items. specifically fuses. the control power supply.

  • Page 79: Battery Maintenance

    Owner’s Manual Battery maintenance 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 batteries. D. CAUTION -- Do not open or mutilate the battery or batteries. Released electrolyte is harmful to the skin and eyes.
  • Page 80 Uninterruptible Power System (This page left blank intentionally.)
  • Page 81 When options are part of the original equipment order. they are factory installed and require no field adjustments by the user. Some options can be field installed by an EPE Customer Support Services representative; consult your EPE dealer for further information.
  • Page 82 Remote communications link The remote communications link option for the EPS-2000 UPS is described separately in the remote communications linkowner’s manual (EPE part number 66-146009-00). included wilh this option. Refer to that manual for further information. Remote alarm status panel (RASP)
  • Page 83 Owner’s Manual The RASP also includes: Alarm reset pushbutton (white LED) to reset the latching alarm Audible alarm (horn) for remote annunciation Audio reset pushbutton (white LED) to reset the audible Installation Refer to the Installation An external 120 VAC power source is required for the RASP option. Drawing provided with this option for installation and connection information.
  • Page 84 2000 These options are mounted inside the optional BPA-2000 enclosure. Refer to the owner% manual for the BPA-2000 (EPE part number 66-140100-00). Operation When a dc ground fault is detected,...
  • Page 85 Owner’s Manual Typical configurations s c o p e The EPS-2000 100 and 125 kVA UPS are 480 VAC input. 480 VAC output devices. The EPS- 2000 50 to 80 kVA are available in 208 VAC input, 208 VAC output: 220 VAC input. 220 VAC output;...
  • Page 86 Uninterruptible Power System EPS-2000 UPS with maintenance bypass Figure B-2 shows an 2000 auxiliary cabinet that houses the maintenance bypass option. This option allows a load attached to the UPS to be provided power while the UPS is taken off line. for maintenance or other purposes.
  • Page 87 Owner’s Manual EPS-2000 UPS with 220, 415, or 600 VAC input 8 . 3 Figure B-3 shows an EPS-2000 system with an optional EPA-2000 battery system and an ACA- 2000 auxiliary cabinet that houses the input autotransformer option. the input filter option, and the maintenance bypass option.
  • Page 88 UPS with input isolation and maintenance bypass 8 . 4 EPS-2000 Figure B-4 shows an EPS-2000 system with an optional BPA-2000 battery system and an SDC-2000 site distribution center that houses an input isolation transformer option. an input filter option, and a maintenance bypass option. The input isolation transformer provides complete electrical isolation between the utility power source and the UPS.
  • Page 89 Owner’s Manual EPS-2000 with input isolation, output, output isolation, maintenance bypass Figure B-5 shows an EPS-2000 system with an optional BPA-2000 battery system and an 2000 site distribution center that houses an input former option, and a maintenance bypass option. The input filter option minimizes harmonic distortion reflected back onto the power line.
  • Page 90 EPS-2000 UPS with output panelboards Figure B-6 shows an EPS-2000 system with a full compliment of options, an optional BPA-2000 battery system, and an SDC-2000 site distribution center that houses in input filter option, an output isolation transformer option, a maintenance bypass option, and a distribution panelboard option.
  • Page 91 Owner’s Manual EPS-2000 UPS with 208 VAC input and output Figure B-7 shows an EPS-2000 system with a full compliment of options, an optional SPA-2000 battery system, and two ACA-2000 auxiliary cabinets. ACA-2000 #l houses an optional input autotransformer that steps up the input voltage from 208 VAC to the UPS’s required 480 VAC. #l also houses an optional input filter.
  • Page 92 Uninterruptible Power System (This page left blank intentionally.)
  • Page 93 Owner’s manual Glossary Symbols Used to reference paragraph headings which are listed in the table of contents. Used to represent ‘and/or”. Percent: of each hundred. Degrees Fahrenheit. Degrees Centigrade. Plus or minus. Number. Phase. Ohms. Second. 2 n d Normal sequence of phases in three phase power.
  • Page 94 Battery vent& ltion fault: this is only used when BAT VENTIL FAULT either the dc g Iround fault indicator (model number EPS-:!OOO/DCF) or smoke/high temperature w faming (model number EPS- chased and in stalled in the EPA-2000. Activa- causes the rectifier/battery charger to tun Battery over-v, Battery under-...
  • Page 95 Owner’s manual Capacitors discharging; indicates that the CAPAC DISCHARGING capacitors are discharging. The voltage across the capacitor terminals is indicated on the next LCD line. When this indication appears on the LCD, wait until the capacitor voltage reaches zero before carrying out any operations on the equipment.
  • Page 96 Not necessarily qualified to maintain or repair electrical or electronic equipment; compare to Technician. EPE Technologies. Inc. Emergency power off. E P O Failure of a UPS enclosure cooling fan. For FAN FAILURE normal room temperatures.
  • Page 97 Owner’s manual Load transferred to lnverter with an 0.8 second FORCE ON interruption. Prompt requesting password entry to obtain FORCE TRANSFER load transfer to iwelter after an interruption of 0.6 seconds. Indicates that the inverter frequency is stable FREE RUNNING and independent of the bypass MAINS2 frequency.
  • Page 98 INV LEG THERM0 indicates over-temperature on the transistors of the inverter leg. INV NON SYNC Indicates that the phase shift between the inverter and the bypass ac input/MAINS2 outside of tolerance (t3”). Transfer of the load without interruption is not possible. INV STOP DISABLED Indicates that the inverter cannot be stopped using the INVERTER STOP command, since...
  • Page 99 Owner’s manual power sup, sly fault o” the PCA controlling the transistors of the inverter leg. Warning th at impending action will 0.8 second load interruption. rut source. Main ac inl Bypass ac input source. MAINS2 FU RC BLOWN indicates b low” fuses on the voltage surge input/MAIN 52.
  • Page 100 Occupational Safety and Health Act. OSHA Over-frequency. Over- or under-frequency. out of tolerance. O.T. Indicates that an overload (110%) has OC- OUTPUT OVERLOAD An external contact supplied by the user and OUTSIDE CONTACT initiating either independent fre- quency, ora reduction in the power consumed on the MAINS/main ac input line.
  • Page 101 Owner’s manual Bypass ac input/MAINS2 circuit breaker designation. UPS output isolation circuit breaker designa- tion. BPA circuit breaker designation. A switch used for shutting down electrical Remote Emergency Power Off equipment. See Remote Emergency Power Off. Replacement. REP. Remote control enable, indicating that the RMTE CNTRL ENABLE stopped and started from the control module unit telemonitor.
  • Page 102 Uninterruptible Power System Indicates an over-temperature condition on the S.S. THERM0 System status and panel, Synchronization. SYNC. or SYNCHRO Switch. SW or SWITCH Switch to manual bypass; should be used prior SW TO MAN BY-PASS to performing maintenance on the UPS. Refers to an electronic technician qualified to Technician maintain and repair electronic equipment.
  • Page 103 Owner’s manual Volts of alternating current. Battery voltage (in volts). Volts of direct current. By way of. voltage. Volt. Volts per cell, the measure of the potential of a storage cell, such as a battery. without. Transformer. X F M R...
  • Page 104 (This page left blank intentionally)

  • Page 105: Battery Characteristics

    Owner’s manual Index Auto-restart AC input circuit breaker Autonomy (set batt.) AC input connections 3-30 AC input current Batt boosting AC input ratings 3-23 Batteries (select sealed) AC input wires 3-29 Batteries. sealed AC output current Batteries. servicing AC output filter 3-37 Battery alann level (select)
  • Page 106 DC shunt l-10 Characteristics. environmental Characteristics, mechanical Description. general Characteristics, overload 3-25 Diagnosis 3-33 Charge current (set) Diagnostic capability 3-32 Charge masking time (set) Diagram, single line 3-32 Charge time (set) Dimensions Dimensions, floor tile cut-out 3-23 Charge. battery boost 3-24 Charge.

  • Page 107: Mechanical Characteristics

    O w n e r ’ s m a n u e l Leveling jacks Initial start-up Liquid-crystal display Initial start-up condition Load connections Input autotransfomler Load interrupt 3-15 Input busbars 3-16 Load interruption Input CB rating Load on bypass contact Input current 3-39 Load on UPS alamt...
  • Page 108 Uninterruptible Power System Rate. baud Model numbering Rating, battery circuit breaker Module (power) Rating, input CB Module, location of card Rating, output Modules, plug-in l - 9 Rating, overcurrent protection Monitor software Ratings, ac input Nameplates Ratings, ac output Noise level Receiving Nominal input voltage Rectifier...
  • Page 109 Owner’s manual Tests. start-up 2-10 3-32 Set charge masking time Top view 3-32 Set charge time Transfer test (battery) 3-16 3-31 Set equalization voltage 3-18 Transfer to maintenance bypass 3-35 Set fan type set float voltage Transformer, input Transformer. output Set generator power limit 3-35 3-22...
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  • Page 111 Owner’s Manual...
  • Page 113 Owner’s Manual...
  • Page 116 1660 Scenic Avenue Costa Mesa, CA 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 STATE CITY (quantity @ $50.00 each) additional copies of the: I would like to order EPS-2000 Uninterruptible Power System...

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