MGE UPS Systems EPS 8000 - Manuals

How To Use This Manual page v Users 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 us...

CAUTION RECORD ALL SERIAL NUMBERS FOR THE SINGLEMODULE UPS SYSTEM. THESE SERIAL NUMBERS WILL BE REQUIRED IFYOUR SYSTEM NEEDS SERVICE. KEEP THIS MANUAL IN A PLACE WHERE YOU CAN REFERENCETHE SERIAL NUMBERS IF SERVICE IS REQUIRED! UPS UNIT SERIAL NUMBER: _____________________________________________ MB...

page c i Users Manual Contents section description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page Important Safety Instructions . . . . . . . . . . . . . . . . .Inside Front CoverWarranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Section 2 Operation section description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 2.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1 2.1 Status Screen Display . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Contents page c iii Users Manual Figures figure description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 1-1 EPS 8000 System, S-M Configuration, 1 GCC per Module . . . . . . .1-2 1-2 Circuit Breaker Locations on the EPS 8000. (Q4S not shown) . . . .1-3 1-3 Ci...

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1.0 Scope This manual provides User instructions for operating the EPS 8000 UPS 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 re...

1.3 General Description EPS 8000 is a family of compact, high-efficiency uninterruptible power systems. Standard power ratings for single- module systems range from 555 to 800 kVA. EPS 8000 UPS are optimized for compatibility with non-linear computer-type loads. Computer-aided UPS diagnostics and mo...

Introduction page 1 — 3 Users Manual 1 . 4 S p e c i f i c a t i o n s , C i r c u i t B r e a k e r s a n d P o w e r f l o w D i a g r a m s 1 . 4 . 1 C i r c u i t B r e a k e r s EPS 8000 UPS circuit breakers (except the battery disconnect circuit breaker QF1) are located behind the doors of the...

F i g u r e 1 - 3 : C i r c u i t B r e a k e r L o c a t i o n s o n t h e M a i n t e n a n c e B y p a s s C a b i n e t . F i g u r e 1 - 4 : C i r c u i t B r e a k e r L o c a t i o n s o n t h e Q 4 S C a b i n e t . Introduction EPS 8000 UPS Single Module page 1 — 4 B Y PA S S I N P U TA , B...

Introduction page 1 — 5 Users Manual 1 . 4 . 2 P o w e r F l o w D i a g r a m s 1 . 4 . 2 . 1 N o r m a l O p e r a t i o n 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 volt...

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 contr...

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 1-8: Front Panel...

AC input (mains 2) source, the static switch transfers the load to the inverter output. If the inverter cannot synchronize to the bypass AC input (mains 2) source, the load must be forced to transfer using the hidden panel (see section 2.11, Forced Transfers). Inverter off (item 7) This gray pushbut...

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...

Ø On/off This pushbutton is reserved for future use. ° Confirmation/Verify 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 t...

Introduction page 1 — 11 Users Manual 1 . 5 . 3 . 1 L E D A l p h a n u m e r i c I n d i c a t o r s 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 ...

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 fol...

Users Manual O p e r a t i o n page 2 —1 2.0 Scope This section describes procedures for normal operation of EPS 8000 Single Module systems. Including interactive front panel display, settings for language configuration, alarms message displays, voltage, current, battery measure- ments, with before ...

Operation EPS 8000 UPS 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 Figu...

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 Viewi...

EPS 8000 UPS Single Module page 2 —4 Operation 2.5 Voltage Measurements To display voltage measurements, press the “V” key on the keyboard. See Figure 2-5. Figure 2-5: Voltage Measurement Displays. Select voltage measurements by pressing the ◊ pushbutton INPUT VAB VBC VCAV RMS BYPASS VAN VBN VCNV RM...

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 8000 UPS Single Module page 2 —6 Select power and frequency measurements by pressing the „ pushbutto...

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 "batt...

Operation EPS 8000 UPS 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 PROTECTEDUPS IS ON LINE This is the normal display message. There are no a...

Operation page 2 —9 Users Manual 2.9.2 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. EMERGENCY SHUTDOWNREPO ON ! This message indicates that the UPS has been shut down b...

Operation EPS 8000 UPS Single Module page 2 —10 UPS INPUT PROBLEMCHECK FREQUENCY ! 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. UPS INPUT PROBLEMCHECK VOLTAGE ...

Operation page 2 —11 Users Manual Q1 UPS INPUT CBOPEN ! This message indicates that the input isolation circuit breaker is open or has tripped. It must be closed for rectifier/battery charger start-up. INVERTER OVERLOADCHECK P.F. AND KW This message indicates that the inverter is in an overload cond...

Q5N UPS OUTPUT ISOL.SWITCH OPEN ! This message indicates that the optional UPS isolation circuit breaker Q5N is open. The load is not supplied unless the maintenance bypass circuit breaker Q3BP is closed. Q3BP MAINT. BYPASSSWITCH CLOSED ! This message indicates that the optional maintenance bypass c...

Operation page 2 —13 Users Manual 2.10 Preparations Before Start-up Preparing before start-up uses a check list to powering up the EPS 8000 UPS. Reference the EPS 8000 Shared Systems Users Manual 86-132216-00, and Installation Manual for Single module and Shared Systems 86-132215- 00, in conjunction...

2.10.2 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 6000 UPS is being restarted from an off condition (i.e., after the UPS has been powered down by removing t...

Operation page 2 —15 Users Manual N O T E : If the transfer conditions are not satisfied (bypass AC input sources is out of tolerance) a forced transfer is required. Refer to section 2.12 Forced Transfers. 2.10.3 Checks After Start-up After initial start-up of the system, normal operation should be ...

2.11.2 Normal Shutdown To shut down the UPS, 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 ...

Operation page 2 —17 Users Manual configuration, close all the battery disconnect circuit breakers. 8. Automatic restart of the UPS is the normal configuration; the UPS inverter will start automatically and resume normal operation. If your EPS 6000 has been programmed NOT to automatically restart, s...

2.12 Forced Transfers This section describes the normal transfer conditions and the procedures to be followed when issuing forced transfers. C A U T I O N : Opening Q4S with the inverter stopped in a UPS without maintenance bypass will disconnect the attached load. 2.12.1 Uninterrupted Transfer Cond...

Users Manual Maintenance M a i n t e n a n c e page 3 —1 3.0 Scope This section describes maintenance of the EPS 8000, including safety instructions, preventive maintenance, isolation for maintenance, information about replacement parts, and troubleshooting LCD alarm messages. 3.1 Safety Instruction...

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 8000 and associated equipment. These routines should ...

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. ® Trade Mark. 2nd Second. A, B, C Normal sequence of phases (clockwise) in three-phase power. AC or ac Alternating cur...

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...

kVA KiloVolt-Ampere; is equal to 1000 Volt-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 protec...

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 ...

Glossary page g — 5 Users Manual V Vo l t s VA Vo l t a m p e r e s VA 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. v e Battery voltage. V i a By way of.

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