Mge-ups-systems EPS 6000 User Manual

EPS 6000 UPS Shared SystemsUser’s Guide

This manual is designed for ease of use and easy locationof information.To quickly find the meaning of terms used within the text, look in the Glossary

This manual provides technical information required foroperation and maintenance of the shared EPS 6000uninterruptible power system (UPS). Please read

• EPS 6000 battery cabinetEach of these cabinets is described below. Figure 1-1 shows a typical shared UPS installation, consisting of one static swit

Figure Pictorial, Typical EPS 6000 UPS Shared Installation1-1 (Shown With Two 375 kVA UPS Modules)Figure Single-Line Diagram, Typical EPS 6000 UPS Sha

Following is a description of the EPS 6000 UPS majorinternal components. Refer to the single-line diagramprovided in Figure 1-2, and the component lo

The static switch cabinet (SSC) provides an electrical pathbetween the output of the UPS modules and the load.When the UPS modules are off, the SSC pr

Figure EPS 6000 Major Internal Components,1-4 Shared 375 kVA UPS ModulesFRONT VIEW, DOORS AND COVERS REMOVEDTOP VIEW, COVER REMOVEDINVERTERS (x6)OUTP

Figure EPS 6000 Major Internal Components,1-5 Shared 500 kVA UPS I/O CabinetQ1A3 B3 C3INPUTCONNECTIONSA4 B4 C4OUTPUTCONNECTIONSBATTERYCONNECTIONSFRONT

Figure EPS 6000 Major Internal Components,1-6 Shared 500 kVA UPS CabinetFRONT VIEW, DOORS AND COVERS REMOVEDTOP VIEW, COVER REMOVEDAC CAP ASSY.K1BATT

Figure EPS 6000 Major Internal Components,1-7 Shared 750 kVA UPS Cabinet 1GroundCapacitorsConnectionPowerInterconnectCT (6ea)ACPZ ARUZFusesRelayBatte

IMPORTANT SAFETY INSTRUCTIONSAVE THESE INSTRUCTIONS — This manual contains important instructions for the EPS6000 series UPS Systems that must be foll

Figure EPS 6000 Major Internal Components,1-8 Shared 750 kVA UPS Cabinet 2FRONT VIEW, DOORS AND COVERS REMOVEDTOP VIEW, COVER REMOVEDINVERTERS (x6)AC

Figure EPS 6000 Major Internal Components,1-9 Shared 750 kVA UPS Cabinet 3FRONT VIEW, DOORS AND COVERS REMOVEDTOP VIEW, COVER REMOVEDINVERTERS (x6)AC

Figure EPS 6000 Major Internal Components,1-10 Static Switch Cabinet (SSC)UPSBYPASSUPSBYPASSFUSES(F1, F2, F3, & F4)ROTARY SWITCHES(SW1, & SW2)

This section describes options available for the EPS 6000UPS. Some configurations do not support some options.Most options must be specified at the time

AC output ratingsVoltage: 480 VAC ± 0.5% (steady-state conditions)480 VAC ± 5% (transient conditions from 0% to 100% or 100% to 0%)Frequency: 60 Hz ±

Recommended environment: 20° to 25° C (68° to 77° F.); 50% relative humidity;computer room or other temperature- and humidity-controlled environmentOp

Height: 1,981 mm/78 in.Depth: 1,219 mm/48 in.Width: 1,829 mm/72 in.Weight: 1,310 kg/2,900 lbs. (SSC)1,091 kg/2,000 lbs. (MBC)Finish: MGE light gray1.6

This section presents operating information for EPS 6000UPS shared systems, including an overview of the system,its components, and their function; a

During normal operation (as shown in Figure 2-1), powerflows from the main AC input source (mains 1) into the UPSrectifier/battery charger sections. The

Figure Power Flow, Bypass Operation2-3Indicators and controls are located in three places on theUPS module: on the front panel, behind a drop-down cov

For service call1-800-438-737386-130034-00 B00 11/96Copyright © 1996 MGE UPS Systems, Inc..All rights reserved. Printed in U.S.A.MGE UPS Systems1660 S

Figure EPS 6000 Controls and Indicators2-4FigureEPS 6000 Front Panel2-5Note: The SSC does not include inverter on or inverter off pushbuttons #6 and #

Emergency power off (EPO)On the left side of the front panel, an emergency power off (EPO) pushbutton isprovided, with a protective cover to guard aga

⁄Operating problem LED (3)This orange LED turns on when an operating problem exists, such as fan failure;static switch power supply fault; battery tem

PushbuttonsFollowing are brief descriptions of the function of the alphanumeric displaypushbuttons.Figure Alphanumeric Display and Controls2-6øSetting

• Inverter current• Load current• Percent current drawn by the load relative to UPS module or SSC rating• Crest factor per phase„Pushbutton This pushb

Numbered lightsThe green light indicates the UPS module or SSC with which the display iscurrently communicating.A red light indicates that the corresp

B: Rectifier/charger onThis green LED indicates that the rectifier/battery charger is on.C: Rectifier/charger faultThis red LED indicates an alarm condit

J: Inverter desynchronizedThis orange LED indicates that the inverter output frequency is not synchronizedwith the bypass AC input (mains 2).K: Transf

Figure Hidden Panel Pushbuttons2-8Battery charge cycle (pushbutton #1) (applies to UPS module only)Pressing this pushbutton begins a battery charging

Forced bypass to inverter (pushbutton #4) (applies to SSC only)Pressing and holding the “security key” while pressing this pushbutton forces thetransf

WarrantySeller warrants to the Ultimate Purchaser (the purchaser who buys for use, and not for resale) that all productsfurnished under this order and

attached load.Figure Single-Line Diagram,2-9 Typical EPS 6000 UPS Shared InstallationTOATTACHED LOADMAIN AC INPUT/MAINS 1QF1OUTPUTFUSESEPS 6000 UPS MO

Figure EPS 6000 Major Internal Components,2-10 Shared 150 - 225 kVA UPS ModuleFRONT VIEW, DOORS AND COVERS REMOVEDTOP VIEW, COVER REMOVEDINVERTERSOUT

Figure EPS 6000 Major Internal Components,2-11 Shared 300 / 375 kVA UPS ModuleFRONT VIEW, DOORS AND COVERS REMOVEDTOP VIEW, COVER REMOVEDINVERTERS (x

Figure EPS 6000 Major Internal Components,2-12 Shared 500 kVA UPS Module I/O CabinetQ1A3 B3 C3INPUTCONNECTIONSA4 B4 C4OUTPUTCONNECTIONSBATTERYCONNECTI

Figure EPS 6000 Major Internal Components,2-13 Shared 500 kVA UPS Module UPS CabinetFRONT VIEW, DOORS AND COVERS REMOVEDTOP VIEW, COVER REMOVEDAC CAP

Figure EPS 6000 Major Internal Components,2-14 Shared 750 kVA UPS Module UPS Cabinet 1GroundCapacitorsConnectionPowerInterconnectCT (6ea)ACPZ ARUZFus

Figure EPS 6000 Major Internal Components,2-15 Shared 750 kVA UPS Module UPS Cabinet 2FRONT VIEW, DOORS AND COVERS REMOVEDTOP VIEW, COVER REMOVEDINVE

Figure EPS 6000 Major Internal Components,2-16 Shared 750 kVA UPS Module UPS Cabinet 3FRONT VIEW, DOORS AND COVERS REMOVEDTOP VIEW, COVER REMOVEDINVE

Figure EPS 6000 Major Internal Components,2-17 Static Switch Cabinet (SSC)In the UPS modules:Q1 Input isolation circuit breaker, used to isolate the U

This section describes operation and use of the alphanu-meric display in detail.The alphanumeric display interacts with the user via the tophalf of th

Section I Introduction1.0 . . . . . . . . . . . . . . . Scope 1 — 11.1 . . . . . . . . . . . . . . . General Description 1 — 11.2 . . . . . . . . . .

Figure General Display Configuration2-19The settings selection screens allow the user to configure the display language and set the contrast of the LCD

In the event of an alarm condition, the general statusscreen shows an alarm message. To determine the specificcondition causing the alarm, press the al

The LCD can display comprehensive information aboutUPS performance through its monitoring functions.To display voltage measurements, press the “V” key

To display current measurements, press the “A” key on thekeyboard, as shown in Figure 2-23.Figure Current Measurements2-23Select current 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 Measurements2-24Se

To display battery voltage, current, ambient temperature,and time available or remaining, press the battery key onthe keyboard, as shown in Figure 2-2

In the individual UPS modules:• Input (isolation) circuit breaker Q1 is in the OFF (open) position.• Battery disconnect circuit breaker QF1 is in the

d. Start the UPS modules:1. For each module, close the input isolation circuit breaker Q1. Verify thatthe following conditions exist:• The red “load n

• Remote emergency power off (REPO) test (if applicable).• Inverter start and stop (for each module).• Battery transfer test.• Maintenance bypass proc

To shut down an individual UPS module, press the “inverteroff” pushbutton on the module front panel for 3 seconds. Torestart, press the “inverter on”

section description page number2.4 . . . . . . . . . . . . . . . Normal Operating Procedures 2 — 292.4.1 Checks Before Start-up 2 — 292.4.2 Start-up 2

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

To isolate the SSC for maintenance, or to transfer the loadto maintenance bypass input source (if present), follow theprocedure that applies to your c

The whole UPS system is now isolated for maintenance. For complete protection, Q4S or the upstream circuit breaker supplying Q4S should be locked open

This procedure assumes that the load is being supplied bythe bypass AC input (mains 2) source via the SSC.Start the UPS modules (refer to Section 2.4.

General alarmsLOW LEVEL ALARMUPS OK !This message indicates that a problem requiring action has occurred. The load is still suppliedby the inverter.

LOAD ONBYPASS !This message indicates that the load has been transferred to the bypass AC input (mains 2)source. The load is no longer protected.BYPAS

CHARGER SHUTDOWNCOMMAND ON !This message indicates that the rectifier/battery charger has been instructed to shut down, for example during progressive

INVERTER OVERLOADCHECK P.F. AND KW This message indicates that the inverter is in an overload condition, usually due to excessivereal power (kW) being

Q5N UPS OUTPUT ISOL.SWITCH OPEN !On a UPS module, this message indicates that the UPS module isolation circuit breaker Q5Nis open, making it impossibl

FAN FAILURECALL SERVICE !This message indicates that a fan has failed, and that service is required. Because the fans of the rectifier/battery charger

Illustrationsfigure description page number1-1 . . . . . . . . . . . . . . . Pictorial, Typical EPS 6000 UPS Shared Installation (Shown With Two 375 kV

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This section describes maintenance of the EPS 6000 UPS,including safety instructions, preventive maintenance,descriptions of replacement parts kits, a

a. Isolate and de-energize all EPS 6000 UPS equipment for all maintenance operations.b. Ensure that all equipment is clean and free of loose dust, dir

Should you encounter a problem in the operation of a UPS module and need MGE UPS Systems, Inc. to service your product, please take into account the f

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Symbols¶ Used to reference paragraph headings that are listed in the table ofcontents./ Used to represent “and/or.”% Percent; of each hundred.°F. Degr

B or BAT.or BATT. Battery.Breaker Circuit breaker.British Thermal Unit A unit of heat equal to 252 calories (see BTU).BTU or Btu British thermal unit.

Free running Indicates that the inverter frequency is stable and independent of thebypass AC input (mains 2) frequency.FREQ Frequency.Fusible Capable

MCM Thousand circular mil; standard wire sizes for multiple stranded conductorsover 4/0 AWG in diameter. M is from the Roman numeral system; it is the

Remote emergency power off A switch used for shutting down electrical equipment from a location awayfrom the equipment.REPO Remote emergency power off

2-9 . . . . . . . . . . . . . . . Single-Line Diagram, Typical EPS 6000 UPS Shared Installation 2 — 142-10 . . . . . . . . . . . . . . EPS 6000 Majo

VDC Volts of direct current.Via By way of.VPC Volts per cell, the measure of the electrical potential of a storage cell, suchas a battery.XFMR Transfo

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Tablestable description page number1-1 . . . . . . . . . . . . . . . EPS 6000 Model Numbers, Shared System UPS Modules 1 — 21-2 . . . . . . . . . . .