MGE UPS Systems EPS 7000 manual

EPS 7000 Single Module Users Manual www.mgeups.com[...]

IMPORT ANT SAFETY INSTRUCTIONS SA VE THESE INSTRUCTIONS – This manual contains important instructions for all EPS 7000 Single Module that must be followed during operation of the equipment. W ARNING: Opening enclosures expose hazardous voltages. Always refer service to qualified personnel only . A TTENTION: L'ouverture des cabinets expose de[...]

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 Users Manual[...]

EPS 7000 Single Module page iv EPS 7000 Single Module Users Manual Wa rranty Information W arranty 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[...]

How T o Use This Manual page v Users Manual How T o 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 T able of Contents. This manual uses Note lines and icons to convey important in[...]

CAUTION RECORD ALL SERIAL NUMBERS FOR THE SINGLE MODULE UPS SYSTEM. THESE SERIAL NUMBERS WILL BE REQUIRED IF YOUR SYSTEM NEEDS SER VICE. KEEP THIS MANUAL IN A PLACE WHERE YOU CAN REFERENCE THE SERIAL NUMBERS IF SER VICE IS REQUIRED! UPS UNIT SERIAL NUMBER: _____________________________________________ MBP CABINET SERIAL NUMBER: ____________________[...]

page c i Users Manual Contents section description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page Important Safety Instructions . . . . . . . . . . . . . . . . .Inside Front Cover Wa rranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ivi Revision History . . . . . .[...]

Section 2 Operation section description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 2.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1 2.1 Status Screen Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1 2.2 Settings Selection Screen . . . . . [...]

Contents page c iii Users Manual Figures figure description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 1-1 EPS 7000 System, Single-Module Configuration, 1 GCC per Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2 1-2 Circuit Breaker Locations on the EPS 7000. (Q4S not shown) . .[...]

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1.0 Scope This manual provides User instructions for operating the EPS 7000 Single Module system (S-M). Descriptions include section descriptions, a general overview of system internal components, circuit breaker diagrams, descrip- tions for front panel displays and control indicators. Please read this manual before installing the EPS 7000 equipmen[...]

1.3 General Description EPS 7000 is a family of compact, high-efficiency uninterruptible power systems. Standard power ratings for single- module systems range from 300 to 500 kV A. EPS 7000 are optimized for compatibility with non-linear computer-type loads. Computer-aided UPS diagnostics and modular construction assures that any required service [...]

Introduction page 1 — 3 Users Manual 1.4 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 f[...]

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

Introduction page 1 — 5 Users Manual 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 invert[...]

1.5 Single Module Indicators and Controls Single Module indicators and controls are located in three places on the UPS cabinet: on the front panel, behind a drop-down cover just below the front panel, and inside the cabinet doors, see Figure 1-7. In battery cabinets and auxiliary cabinets, the controls are located behind the cabinet doors. The foll[...]

Introduction page 1 — 7 Users Manual 1.5.1 Front Panel The UPS front panel, includes the emergency power off (EPO) pushbutton, the audible alarm, four LEDs that serve as system status indicators, the “inverter on” pushbutton, and the “inverter off” pushbutton. See Figure 1-8. Figure 1-7: Front Panel Indicators and Control Display . EPO On[...]

Inverter on (item 6) This green pushbutton is used to start the inverter . When it is pushed, the green “load protected” LED flashes for three seconds, indicating that the start command has been received. When the inverter has synchronized with the bypass AC input (mains 2) source, the static switch transfers the load to the inverter output. If[...]

Introduction page 1 — 9 Users Manual 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 [...]

Ø On/off This pushbutton is reserved for future use. ° Confirmation/V erify Depending on the displayed message, this pushbutton may serve to indicate confir- mation, positive response, and other functions. 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 di[...]

Introduction page 1 — 11 Users Manual 1.5.3.1 LED Alphanumeric Indicators Fourteen alphabetically labeled LEDs provide detailed information on UPS status as follows: A : Emergency shutdown This red LED indicates that the emergency power off (EPO) or remote emergency power of f (REPO) has been activated. See section 2.1 1.1, Emergency Shutdown. B [...]

I : 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). K :T ransfer fault This red LED indicates a transfer fault, which may be one or more of t[...]

Introduction page 1 — 13 Users Manual 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. This helps guard again[...]

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Users Manual Operation page 2 —1 2.0 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[...]

Operation EPS 7000 Single Module page 2 —2 2.2 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. Figure 2-2: Settings Selection Display Scre[...]

page 2 —3 Users Manual The most serious alarms are stored in the fault log, and may be viewed by following the steps shown in Figure 2-3. To reset the alarms, press the “clear fault log” pushbutton. See section 1.5.2.2 Alphanumeric Display Pushbuttons. Figure 2-3: Sequential Alarm Messages for Viewing the Fault Log. 2.4 Sensor Measurements Th[...]

EPS 7000 Single Module page 2 —4 Operation 2.5 V oltage Measurements To display voltage measurements, press the “V” key on the keyboard. See Figure 2-5. Figure 2-5: V oltage Measurement Displays. Select voltage measurements by pressing the ◊ pushbutton INPUT VAB VBC VCA V RMS BYPASS VAN VBN VCN V RMS BYPASS VAB VBC VCA V RMS INV. VAN VBN VC[...]

page 2 —5 Users Manual 2.6 Current Measurements To display current measurements, press the “A” key on the keyboard. See Figure 2-6. Figure 2-6: Current Measurements Displays. Operation Select current measurements by pressing the Å pushbutton INPUT I1 I2 I3 A RMS BYPASS I1 I2 I3 A RMS I LOAD / IN = Å Å Å Å Å Å Å INV. I1 I2 I3 A RMS LOA[...]

2.7 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. Operation EPS 7000 Single Module page 2 —6 Select power and frequency measurements by pressing the „ pushbutton. FREQ. INP. BYP. INV. HZ LOAD P1 P2 P3 KW P[...]

Operation page 2 —7 Users Manual 2.8 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. V AVAILABLE BAT.TIM[...]

Operation EPS 7000 Single Module page 2 —8 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. LOAD IS PROTECTED UPS IS ON LINE This is the normal display message. There are no alarms or problems, and the load is being suppli[...]

Operation page 2 —9 Users Manual LOAD ON BYPASS ! This message indicates that the load has been transferred to the bypass AC input (mains 2) source. The load is no longer protected. BYPASS PROBLEM CHECK FREQUENCY ! This message indicates that the bypass AC input (mains 2) source is out of frequency tolerance. The inverter has switched to free-run[...]

Operation EPS 7000 Single Module page 2 —10 INPUT KVA LIMITED COMMAND ON ! 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 [...]

Operation page 2 —11 Users Manual INVERTER SHUTDOWN THERMAL OVERLOAD A 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. I LOAD > IN CHECK LOAD A This message indicates th[...]

2.10 Preparations Before Start-up Preparing before start-up uses a check list to powering up the EPS 7000. Reference the EPS 7000 Shared Systems Users Manual 86-134005-00, and Installation Manual for Single module and Shared Systems 86-134003-00, in conjunction with this start-up procedure, to utilize information of the controls and indicators duri[...]

Operation page 2 —13 Users Manual g. Close the input isolation circuit breaker Q1. V erify that the following conditions exist: ◗ The red “load not protected” LED is on ◗ The rectifier/battery charger automatically starts If either condition is not present, there is a fault. Open Q1 and contact MGE Customer Support Services. h. Close the [...]

2.1 1.1 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 OFF; follow the procedures listed in this section for turning the inve[...]

Operation page 2 —15 Users Manual For complete protection, the upstream circuit breaker(s) supplying the UPS should be opened, locked, and tagged while the UPS is being serviced. The UPS is now isolated for maintenance. NOTE: This will dump any load being serviced even through the Bypass. To restart the UPS after maintenance: 1. Close all the ups[...]

3. W ait 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. 4. Automatic restart of the UPS is the normal config[...]

Users Manual Maintenance Maintenance page 3 —1 3.0 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. 3.1 Safety Instructions W ARNING: D C input power to the inverter is normally fr[...]

3.3 Preventive Maintenance The following preventive maintenance routines should be considered the minimum requirements; your installation and site may require additional preventive maintenance to assure optimal performance from your installed EPS 7000 and associated equipment. These routines should be performed twice a year (more often if required)[...]

Symbols Definition / Meaning @ At. / And/or . +/- Plus or Minus. ≤ Equal to or less than. # Number . °C Degree Celsius. °F Degree Fahrenheit. Ø Phase angle. Ω Ohm; unit of resistance. ®T rade Mark. 2nd Second. A, B, C Normal sequence of phases (clockwise) in three-phase power . AC or ac Alternating current, also implies root-mean-square (rm[...]

Carrier The company or individual responsible for delivering goods from one location to another . C Common. CB Circuit breaker . cm Centimeter . dB Decibels. DC 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 carr[...]

kV A KiloV olt-Ampere; is equal to 1000 V olt-Ampere. L Line. LCD Liquid-Crystal Display unit. LED 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 th[...]

Q3BP Optional maintenance bypass circuit breaker (in single-module UPS system); optional mainte- nance bypass circuit breaker in MBC cabinet (in shared systems). Q4S Control or bypass circuit breaker (in single-module UPS systems); user-supplied bypass AC input circuit breaker supplying the SSC (in shared systems). Q5N Optional UPS isolation circui[...]

Glossary page g — 5 Users Manual VV olts VA Vo lt amperes VA V olt-amps, unit for apparent power measurement, equal V x I. V AC or V ac V oltage of AC type. VDC or Vdc V oltage of DC type. ve Battery voltage. Via By way of.[...]

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1660 Scenic Avenue, Costa Mesa, California 92626 • (714) 557-1636 www.mgeups.com[...]