MGE UPS Systems EPS 7000 User Manual
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MGE UPS Systems EPS 7000 User Manual

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EPS 7000
Single Module
Users Manual

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  • Page 1 . m g e u p s . c o m EPS 7000 Single Module Users Manual...

  • Page 2: Important Safety Instructions

    EPS 7000 Single Module IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS – This manual contains important instructions for all EPS 7000 Single Module that must be followed during operation of the equipment. WARNING: ATTENTION: WARNUNG! WARNING: ATTENTION: WARNUNG! NOTE: page ii Opening enclosures expose hazardous voltages.
  • Page 3 EPS 7000 Single Module Users Manual For service call 1-800-523-0142 86-134004-00 X0 08/04 Copyright © 2004 MGE UPS SYSTEMS, Inc. All rights reserved. Printed in U.S.A. MGE UPS SYSTEMS, Inc. 1660 Scenic Avenue Costa Mesa, CA 92626 (714) 557-1636 page iii...

  • Page 4: Proprietary Rights Statement

    The liability of MGE UPS SYSTEMS, Inc. hereunder is limited to replacing or repairing at MGE UPS SYSTEMS, Inc.’s factory or on the job site at MGE UPS SYSTEMS, Inc.’s option, any part or parts which are defective, including labor, for a period of 12 months from the date of purchase. The MGE UPS SYSTEMS, Inc.

  • Page 5: How To Use This Manual

    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 to the Glossary. To quickly find a specific topic, look at the Table of Contents. This manual uses Note lines and icons to convey important information.

  • Page 6: Caution: Record All Serial Numbers

    EPS 7000 Single Module CAUTION RECORD ALL SERIAL NUMBERS FOR THE SINGLE MODULE UPS SYSTEM. THESE SERIAL NUMBERS WILL BE REQUIRED IF YOUR SYSTEM NEEDS SERVICE. KEEP THIS MANUAL IN A PLACE WHERE YOU CAN REFERENCE THE SERIAL NUMBERS IF SERVICE IS REQUIRED!

  • Page 7: Table Of Contents

    section description .........page Important Safety Instructions .
  • Page 8 EPS 7000 Single Module Section 2 Operation section 2.9.1 2.9.2 2.10 2.10.1 2.10.2 2.10.3 2.11 2.11.1 2.11.2 2.11.3 2.11.4 2.12 2.12.1 2.12.2 2.12.3 Section 3 Maintenance section Glossary page c ii description ........page Scope .
  • Page 9 On-Battery Operation, Power Flow Diagram ....1-5 EPS 7000 Front Panel Indicators and Controls....1-6 Front Panel Indicators and Control Display .
  • Page 10 EPS 7000 Single Module (This page left blank intentionally) page c iv...

  • Page 11: Introduction

    Please read this manual before installing the EPS 7000 equipment. Please retain this manual for future reference. Reference Manuals The EPS 7000 Installation Manual (MGE part number 86-134003-00) provides technical information required for installation and maintenance of EPS 7000 Single Module and Shared Systems.

  • Page 12: General Description

    UPS by the user. The EPS 7000, SSC, 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.

  • Page 13: Specifications, Circuit Breakers And Powerflow Diagrams

    Specifications, Circuit Breakers and Powerflow Diagrams 1.4.1 Circuit Breakers EPS 7000 circuit breakers (except the battery disconnect circuit breaker QF1) are located behind the doors of the Input/Output cabinet. Following is a brief description of the available circuit breakers and contacts, and their function (Figures 1-2, 1-3, and 1-4).

  • Page 14: Circuit Breaker Locations On The Maintenance Bypass Cabinet

    EPS 7000 Single Module Figure 1-3: Circuit Breaker Locations on the Maintenance Bypass Cabinet. page 1 — 4 Introduction...

  • Page 15: Power Flow Diagrams

    1.4.2 Power Flow Diagrams 1.4.2.1 Normal Operation During normal operation, power flows from the main AC input source (mains 1) into the UPS rectifier/battery charger section. The rectifier/battery charger converts the AC voltage to DC, maintains the charge of the battery, and feeds the DC power to the inverter.

  • Page 16: Single Module Indicators And Controls

    The following display descriptions: ◗ Front Panel ◗ Alphanumeric Display ◗ Hidden Panel Figure 1-6: EPS 7000 Front Panel Indicators and Controls. page 1 — 6 Front Panel Alphanumeric Display Hidden Panel Cover Plate Introduction...

  • Page 17: Front Panel

    (item 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.

  • Page 18: Alphanumeric Display And Controls

    EPS 7000 Single Module Inverter on Inverter off 1.5.2 Alphanumeric Display and Controls The alphanumeric display is located directly below the front panel display. See Figure 1-7. For complete instructions, refer to section 2.0 Operation, Using the Alphanumeric Displays. display...

  • Page 19: Alphanumeric Display Pushbuttons Descriptions

    1.5.2.2 Alphanumeric Display Pushbuttons Descriptions of the function of the alphanumeric display settings pushbuttons. ø Settings This pushbutton is used to select the display language and adjust the LCD screen contrast for optimal viewing. ˘ Selection Depending on the displayed message, the “˘” key may serve to indicate selection, negative response, and other functions.

  • Page 20: Numbered Lights

    EPS 7000 Single Module Ø On/off ° Confirmation/Verify Depending on the displayed message, this pushbutton may serve to indicate confir- 1.5.2.3 Numbered Lights During normal operation, the green LED #1 will be on, indicating that the UPS core controller communicates with the display.

  • Page 21: Led Alphanumeric Indicator

    ◗ Rectifier/battery charger control board fault ◗ 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).

  • Page 22: Hidden Panel Lower Pushbuttons

    EPS 7000 Single Module Battery discharged This orange LED indicates that the battery has reached the end of its autonomy, shutting down the inverter. J: Inverter desynchronized This orange LED indicates that the inverter is not synchronized with the bypass AC input (mains 2).

  • Page 23: Forced Transfers

    Return to float voltage (pushbutton #2) 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.
  • Page 24 EPS 7000 Single Module (This page left blank intentionally) page 1 — 14...

  • Page 25: Operation

    Scope This section describes procedures for normal operation of EPS 7000 Single Module systems. Including interactive front panel display, settings for language configuration, alarms message displays, voltage, current, battery measure- ments, with before and after start-up checks, emergency shutdown using EPO disconnects, and normal conditions for using forced transfers.

  • Page 26: Settings Selection Screen

    EPS 7000 Single Module Settings Selection Screen 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. See Figure 2-2.

  • Page 27: Sensor Measurements

    Sensor Measurements The LCD displays comprehensive information about UPS performance monitoring functions through sensor measure- ments devices located within the EPS 7000 single module. See Figure 2-4. Figure 2-4: Measurement Sensors Located throughout the EPS 7000 Single-Module UPS. EPS 8000 UPS MODULE...

  • Page 28: Voltage Measurements

    EPS 7000 Single Module Voltage Measurements To display voltage measurements, press the “V” key on the keyboard. See Figure 2-5. Figure 2-5: Voltage Measurement Displays. (Only in UPS modules) (only in SSC) (only in SSC) (only in UPS modules) (only in UPS modules) page 2 —4...

  • Page 29: Current Measurements

    Current Measurements To display current measurements, press the “A” key on the keyboard. See Figure 2-6. Figure 2-6: Current Measurements Displays. INPUT (Only in UPS modules) A RMS BYPASS (only in SSC) A RMS INV. (only in UPS modules) A RMS LOAD A RMS I LOAD...

  • Page 30: Power Frequency Measurements

    EPS 7000 Single Module Power Frequency Measurements To display power or frequency measurements, press the “W.Hz” key on the keyboard. See Figure 2-7. Figure 2-7: Power and Frequency Measurements Displays. Select power and frequency measurements by pressing the FREQ. LOAD...

  • Page 31: Battery Measurements

    Battery Measurements To display battery voltage, current, ambient temperature, and time available or remaining, press the battery key on the keyboard. see Figure 2-8. Figure 2-8: Battery Measurements Displays. Select battery measurements by pressing the "battery" pushbutton. UBAT. AVAILABLE BAT.TIME REMAINING BAT.

  • Page 32: Lcd Messages

    EPS 7000 Single Module 2.9 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.
  • Page 33 This message indicates that the load has been transferred to the bypass AC input (mains 2) source. The load is no longer protected. This message indicates that the bypass AC input (mains 2) source is out of frequency tolerance. The inverter has switched to free-running mode.
  • Page 34 EPS 7000 Single Module 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;...
  • Page 35 This message indicates that an overload below 1.5 times the full 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 UPS full load rating. The flashing “A” indicates that the operator should check the load current.

  • Page 36: Preparations Before Start-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 7000 UPS 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).

  • Page 37: Checks After Start-Up

    Maintenance bypass procedure. 2.11 Shutdown Shutdown procedures in this section apply to the EPS 7000 cabinet under normal, emergency, overload, and mainte- nance conditions. 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.

  • Page 38: Emergency Shutdown Using Epo

    EPS 7000 Single Module 2.11.1 Emergency Shutdown Using EPO CAUTION: 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 UPS cabinet, or by pressing the “remote emergency power off”...

  • Page 39: Without Maintenance Bypass

    8. Automatic restart of the UPS is the normal configuration; the UPS inverter will start automatically and resume normal operation. If your EPS 7000 has been programmed NOT to automatically restart, start the inverter by pressing the “inverter on” pushbutton on the UPS front panel. The inverter will start and the UPS will resume normal operation.

  • Page 40: Forced Transfers

    4. Automatic restart of the UPS is the normal configuration; the UPS inverter will start automatically and resume normal operation. If your EPS 7000 has been programmed NOT to automatically 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 will resume normal operation.

  • Page 41: Maintenance

    Scope This section describes maintenance of the EPS 7000, including safety instructions, preventive maintenance, isolation for maintenance, information about replacement parts, and troubleshooting LCD alarm messages. Safety Instructions WARNING: ATTENTION WARNUNG! IMPORTANT SAFETY INSTRUCTIONS FOR SERVICING BATTERIES A. Servicing of batteries should be performed or supervised by personnel knowledgeable of batteries and the required precautions.

  • Page 42: Preventive Maintenance

    There are no user replaceable parts inside the EPS 7000. Three levels of replacement parts are available for the EPS 7000. 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.

  • Page 43: Glossary

    Symbols Definition / Meaning And/or. Plus or Minus. ≤ Equal to or less than. Number. °C Degree Celsius. °F Degree Fahrenheit. Ø Phase angle. Ohm; unit of resistance. Ω ® Trade Mark. Second. A, B, C Normal sequence of phases (clockwise) in three-phase power. AC or ac Alternating current, also implies root-mean-square (rms).
  • Page 44 EPS 7000 Single Module Carrier The company or individual responsible for delivering goods from one location to another. Common. Circuit breaker. Centimeter. Decibels. Direct current. Conduit A flexible or rigid tube enclosing electrical conductors. C.S.S. Customer Support Service. Current rating The maximum current that a conductor or equipment can carry reliably without damage.
  • Page 45 KiloVolt-Ampere; is equal to 1000 Volt-Ampere. Line. Liquid-Crystal Display unit. Light Emitting Diode. Load protected 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. Load not protected The attached load is being supplied, but the battery system is unavailable.
  • Page 46 Refers to an electronic technician qualified to maintain and repair electronic equipment. Not necessarily qualified to install electrical wiring. Test connector DB-9 type connector on the LCD panel allowing MGE UPS SYSTEMS Customer Support Service technician to access programmable and diagnostic features of the system. Voltage.
  • Page 47 Volts Volt amperes Volt-amps, unit for apparent power measurement, equal V x I. VAC or Vac Voltage of AC type. VDC or Vdc Voltage of DC type. Battery voltage. By way of. Glossary Users Manual page g — 5...
  • Page 48 EPS 7000 Single Module (This page left blank intentionally) page g — 6...

  • Page 49: Reorder Form

    I would like to order______ (quantity @ $50.00 each) additional copies of the: I would like to report the following problems with this document: Reorder form 1660 Scenic Avenue Costa Mesa, CA 92626 EPS 7000 Single Module Users Manual 86-134004-00 X0...
  • Page 52 w w w . m g e u p s . c o m 1 6 6 0 S c e n i c Av e n u e , C o s t a M e s a , C a l i f o r n i a 9 2 6 2 6 • ( 7 1 4 ) 5 5 7 - 1 6 3 6...

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